WIP: Move krb5 realm to pvv.local, make sane ldap structure

Reviewed-on: https://git.pvv.ntnu.no/Drift/pvv-nixos-config/pulls/121

.mailmap

@@ -23,3 +23,9 @@ Adrian Gunnar Lauterer <adriangl@pvv.ntnu.no> Adrian Gunnar Lauterer <adrian@lau
 
 Fredrik Robertsen <frero@pvv.ntnu.no> frero <frero@pvv.ntnu.no>
 Fredrik Robertsen <frero@pvv.ntnu.no> fredrikr79 <fredrikrobertsen7@gmail.com>
+Fredrik Robertsen <frero@pvv.ntnu.no> fredrik <fredrikr79@pm.me>
+
+Vegard Bieker Matthey <vegardbm@pvv.ntnu.no> Vegard Matthey <VegardMatthey@protonmail.com>
+Vegard Bieker Matthey <vegardbm@pvv.ntnu.no> Vegard Bieker Matthey <VegardMatthey@protonmail.com>
+
+Albert Bayazidi <albertba@pvv.ntnu.no> Albert <albert.bayazidi@gmail.com>

.sops.yaml

@@ -7,6 +7,7 @@ keys:
   - &user_pederbs_bjarte age1zhxul786an743u0fascv4wtc5xduu7qfy803lfs539yzhgmlq5ds2lznt5
   - &user_pederbs_nord age1wrssr4z4g6vl3fd3qme5cewchmmhm0j2xe6wf2meu4r6ycn37anse98mfs
   - &user_pederbs_sopp age1hmpdk4h69wxpwqk9tkud39f66hprhehxtzhgw97r6dvr7v0mx5jscsuhkn
+  - &user_vegardbm age1sqs7urnzsdy64efmd0zukzv3gs5pnjksuxd7nqmdwdy5l0nqnunq6hyune
 
   # Hosts
   - &host_bakke age1syted6kt48sumjjucggh6r3uca4x2ppp4mfungf3lamkt2le05csc99633
@@ -19,6 +20,7 @@ keys:
   - &host_lupine-3 age1j2u876z8hu87q5npfxzzpfgllyw8ypj66d7cgelmzmnrf3xud34qzkntp9
   - &host_lupine-4 age1t8zlawqkmhye737pn8yx0z3p9cl947d9ktv2cajdc6hnvn52d3fsc59s2k
   - &host_lupine-5 age199zkqq4jp4yc3d0hx2q0ksxdtp42xhmjsqwyngh8tswuck34ke3smrfyqu
+  - &host_skrott age1lpkju2e053aaddpgsr4ef83epclf4c9tp4m98d35ft2fswr8p4tq2ua0mf
   - &host_ustetind age1hffjafs4slznksefmtqrlj7rdaqgzqncn4un938rhr053237ry8s3rs0v8
 
 creation_rules:
@@ -32,6 +34,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -46,6 +49,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -58,6 +62,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -70,6 +75,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -82,6 +88,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -94,6 +101,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -110,6 +118,7 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
@@ -122,16 +131,19 @@ creation_rules:
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt
 
   - path_regex: secrets/skrott/[^/]+\.yaml$
     key_groups:
     - age:
+      - *host_skrott
       - *user_danio
       - *user_felixalb
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt

README.md

@@ -43,6 +43,7 @@ revert the changes on the next nightly rebuild (tends to happen when everybody i
 | [kommode][kom]             | Virtual  | Gitea + Gitea pages                                       |
 | [lupine][lup]              | Physical | Gitea CI/CD runners                                       |
 |  shark                     | Virtual  | Test host for authentication, absolutely horrendous       |
+| [skrott][skr]              | Physical | Kiosk, snacks and soda                                    |
 | [wenche][wen]              | Virtual  | Nix-builders, general purpose compute                     |
 
 ## Documentation
@@ -59,4 +60,5 @@ revert the changes on the next nightly rebuild (tends to happen when everybody i
 [ild]: https://wiki.pvv.ntnu.no/wiki/Maskiner/ildkule
 [kom]: https://wiki.pvv.ntnu.no/wiki/Maskiner/kommode
 [lup]: https://wiki.pvv.ntnu.no/wiki/Maskiner/lupine
+[skr]: https://wiki.pvv.ntnu.no/wiki/Maskiner/Skrott
 [wen]: https://wiki.pvv.ntnu.no/wiki/Maskiner/wenche

base/default.nix

@@ -10,10 +10,12 @@
     (fp /users)
     (fp /modules/snakeoil-certs.nix)
 
+    ./flake-input-exporter.nix
     ./networking.nix
     ./nix.nix
+    ./programs.nix
+    ./sops.nix
     ./vm.nix
-    ./flake-input-exporter.nix
 
     ./services/acme.nix
     ./services/auto-upgrade.nix
@@ -24,6 +26,7 @@
     ./services/logrotate.nix
     ./services/nginx.nix
     ./services/openssh.nix
+    ./services/polkit.nix
     ./services/postfix.nix
     ./services/prometheus-node-exporter.nix
     ./services/prometheus-systemd-exporter.nix
@@ -39,6 +42,9 @@
   boot.tmp.cleanOnBoot = lib.mkDefault true;
   boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
 
+  boot.loader.systemd-boot.enable = lib.mkDefault true;
+  boot.loader.efi.canTouchEfiVariables = lib.mkDefault true;
+
   time.timeZone = "Europe/Oslo";
 
   i18n.defaultLocale = "en_US.UTF-8";
@@ -47,22 +53,8 @@
     keyMap = "no";
   };
 
-  environment.systemPackages = with pkgs; [
+  # Don't install the /lib/ld-linux.so.2 stub
-    file
+  environment.ldso32 = null;
-    git
-    gnupg
-    htop
-    nano
-    net-tools
-    ripgrep
-    rsync
-    screen
-    tmux
-    vim
-    wget
-
-    kitty.terminfo
-  ];
 
   # .bash_profile already works, but lets also use .bashrc like literally every other distro
   # https://man.archlinux.org/man/core/bash/bash.1.en#INVOCATION
@@ -76,8 +68,6 @@
     fi
   '';
 
-  programs.zsh.enable = true;
-
   # security.lockKernelModules = true;
   security.protectKernelImage = true;
   security.sudo.execWheelOnly = true;
@@ -85,6 +75,14 @@
     Defaults lecture = never
   '';
 
+  # These are servers, sleep is for the weak
+  systemd.sleep.extraConfig = lib.mkDefault ''
+    AllowSuspend=no
+    AllowHibernation=no
+  '';
+
+  # users.mutableUsers = lib.mkDefault false;
+
   users.groups."drift".name = "drift";
 
   # Trusted users on the nix builder machines

base/networking.nix

@@ -3,6 +3,10 @@
   systemd.network.enable = true;
   networking.domain = "pvv.ntnu.no";
   networking.useDHCP = false;
+  # networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  # networking.nameservers = lib.mkDefault [ "129.241.0.200" "129.241.0.201" ];
+  # networking.tempAddresses = lib.mkDefault "disabled";
+  # networking.defaultGateway = values.hosts.gateway;
 
   # The rest of the networking configuration is usually sourced from /values.nix
 

base/nix.nix

@@ -37,4 +37,9 @@
       "unstable=${inputs.nixpkgs-unstable}"
     ];
   };
+
+  # Make builds to be more likely killed than important services.
+  # 100 is the default for user slices and 500 is systemd-coredumpd@
+  # We rather want a build to be killed than our precious user sessions as builds can be easily restarted.
+  systemd.services.nix-daemon.serviceConfig.OOMScoreAdjust = lib.mkDefault 250;
 }

base/programs.nix

@@ -0,0 +1,68 @@
+{ pkgs, lib, ... }:
+{
+  # We don't need fonts on headless machines
+  fonts.fontconfig.enable = lib.mkDefault false;
+
+  # Extra packags for better terminal emulator compatibility in SSH sessions
+  environment.enableAllTerminfo = true;
+
+  environment.systemPackages = with pkgs; [
+    # Debug dns outside resolvectl
+    dig
+
+    # Debug and find files
+    file
+
+    # Process json data
+    jq
+
+    # Check computer specs
+    lshw
+
+    # Check who is keeping open files
+    lsof
+
+    # Scan for open ports with netstat
+    net-tools
+
+    # Grep for files quickly
+    ripgrep
+
+    # Copy files over the network
+    rsync
+
+    # Access various state, often in /var/lib
+    sqlite-interactive
+
+    # Debug software which won't debug itself
+    strace
+
+    # Download files from the internet
+    wget
+  ];
+
+  # Clone/push nix config and friends
+  programs.git.enable = true;
+
+  # Gitea gpg, oysteikt sops, etc.
+  programs.gnupg.agent.enable = true;
+
+  # Monitor the wellbeing of the machines
+  programs.htop.enable = true;
+
+  # Keep sessions running during work over SSH
+  programs.tmux.enable = true;
+
+  # Same reasoning as tmux
+  programs.screen.enable = true;
+
+  # Edit files on the system without resorting to joe(1)
+  programs.nano.enable = true;
+  # Same reasoning as nano
+  programs.vim.enable = true;
+  # Same reasoning as vim
+  programs.neovim.enable = true;
+
+  # Some people like this shell for some reason
+  programs.zsh.enable = true;
+}

base/services/acme.nix

@@ -2,14 +2,12 @@
 {
   security.acme = {
     acceptTerms = true;
-    defaults.email = "drift@pvv.ntnu.no";
+    defaults.email = "acme-drift@pvv.ntnu.no";
   };
 
   # Let's not spam LetsEncrypt in `nixos-rebuild build-vm` mode:
   virtualisation.vmVariant = {
     security.acme.defaults.server = "https://127.0.0.1";
-    security.acme.preliminarySelfsigned = true;
-
     users.users.root.initialPassword = "root";
   };
 }

base/services/auto-upgrade.nix

@@ -28,7 +28,7 @@ in
 
   # workaround for https://github.com/NixOS/nix/issues/6895
   # via https://git.lix.systems/lix-project/lix/issues/400
-  environment.etc = lib.mkIf (!config.virtualisation.isVmVariant) {
+  environment.etc = lib.mkIf (!config.virtualisation.isVmVariant && config.system.autoUpgrade.enable) {
     "current-system-flake-inputs.json".source
       = pkgs.writers.writeJSON "flake-inputs.json" (
         lib.flip lib.mapAttrs inputs (name: input:

base/services/nginx.nix

@@ -39,29 +39,38 @@
     SystemCallFilter = lib.mkForce null;
   };
 
-  services.nginx.virtualHosts."_" = lib.mkIf config.services.nginx.enable {
+  services.nginx.virtualHosts = lib.mkIf config.services.nginx.enable {
-    listen = [
+    "_" = {
-      {
+      listen = [
-        addr = "0.0.0.0";
+        {
-        extraParameters = [
+          addr = "0.0.0.0";
-          "default_server"
+          extraParameters = [
-          # Seemingly the default value of net.core.somaxconn
+            "default_server"
-          "backlog=4096"
+            # Seemingly the default value of net.core.somaxconn
-          "deferred"
+            "backlog=4096"
-        ];
+            "deferred"
-      }
+          ];
-      {
+        }
-        addr = "[::0]";
+        {
-        extraParameters = [
+          addr = "[::0]";
-          "default_server"
+          extraParameters = [
-          "backlog=4096"
+            "default_server"
-          "deferred"
+            "backlog=4096"
-        ];
+            "deferred"
-      }
+          ];
-    ];
+        }
-    sslCertificate = "/etc/certs/nginx.crt";
+      ];
-    sslCertificateKey = "/etc/certs/nginx.key";
+      sslCertificate = "/etc/certs/nginx.crt";
-    addSSL = true;
+      sslCertificateKey = "/etc/certs/nginx.key";
-    extraConfig = "return 444;";
+      addSSL = true;
+      extraConfig = "return 444;";
+    };
+
+    ${config.networking.fqdn} = {
+      sslCertificate = lib.mkDefault "/etc/certs/nginx.crt";
+      sslCertificateKey = lib.mkDefault "/etc/certs/nginx.key";
+      addSSL = lib.mkDefault true;
+      extraConfig = lib.mkDefault "return 444;";
+    };
   };
 }

base/services/polkit.nix

@@ -0,0 +1,15 @@
+{ config, lib, ... }:
+let
+  cfg = config.security.polkit;
+in
+{
+  security.polkit.enable = true;
+
+  environment.etc."polkit-1/rules.d/9-nixos-overrides.rules".text = lib.mkIf cfg.enable ''
+    polkit.addAdminRule(function(action, subject) {
+        if(subject.isInGroup("wheel")) {
+            return ["unix-user:"+subject.user];
+        }
+    });
+  '';
+}

base/services/smartd.nix

@@ -1,7 +1,9 @@
 { config, pkgs, lib, ... }:
 {
   services.smartd = {
-    enable = lib.mkDefault true;
+    # NOTE: qemu guests tend not to have SMART-reporting disks. Please override for the
+    #       hosts with disk passthrough.
+    enable = lib.mkDefault (!config.services.qemuGuest.enable);
     notifications = {
       mail = {
         enable = true;

base/sops.nix

@@ -0,0 +1,12 @@
+{ config, fp, lib, ... }:
+{
+  sops.defaultSopsFile = let
+    secretsFilePath = fp /secrets/${config.networking.hostName}/${config.networking.hostName}.yaml;
+  in lib.mkIf (builtins.pathExists secretsFilePath) secretsFilePath;
+
+  sops.age = lib.mkIf (config.sops.defaultSopsFile != null) {
+    sshKeyPaths = lib.mkDefault [ "/etc/ssh/ssh_host_ed25519_key" ];
+    keyFile = "/var/lib/sops-nix/key.txt";
+    generateKey = true;
+  };
+}

base/vm.nix

@@ -11,5 +11,6 @@
   };
   config.virtualisation.vmVariant = {
     virtualisation.isVmVariant = true;
+    virtualisation.graphics = false;
   };
 }

docs/secret-management.md

@@ -151,7 +151,7 @@ is up to date, you can do the following:
 
 ```console
 # Fetch gpg (unless you have it already)
-nix-shell -p gpg
+nix shell nixpkgs#gnupg
 
 # Import oysteikts key to the gpg keychain
 gpg --import ./keys/oysteikt.pub

flake.lock

@@ -1,39 +1,17 @@
 {
   "nodes": {
-    "devshell": {
-      "inputs": {
-        "nixpkgs": [
-          "nix-topology",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1764011051,
-        "narHash": "sha256-M7SZyPZiqZUR/EiiBJnmyUbOi5oE/03tCeFrTiUZchI=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "17ed8d9744ebe70424659b0ef74ad6d41fc87071",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
     "dibbler": {
       "inputs": {
-        "flake-utils": "flake-utils",
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1767906875,
+        "lastModified": 1770133120,
-        "narHash": "sha256-S88Qh7TJwuTkMQqAdXmF3JMkuV2e5GHTdom02QrtdIs=",
+        "narHash": "sha256-RuAWONXb+U3omSsuIPCrPcgj0XYqv+2djG0cnPGEyKg=",
         "ref": "main",
-        "rev": "b86962ef0e15d1a7de445172d4acea454b119a91",
+        "rev": "3123b8b474319bc75ee780e0357dcdea69dc85e6",
-        "revCount": 220,
+        "revCount": 244,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
       },
@@ -64,54 +42,21 @@
         "type": "github"
       }
     },
-    "flake-compat": {
+    "flake-parts": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1761588595,
-        "narHash": "sha256-XKUZz9zewJNUj46b4AJdiRZJAvSZ0Dqj2BNfXvFlJC4=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "f387cd2afec9419c8ee37694406ca490c3f34ee5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
       "inputs": {
-        "systems": "systems"
+        "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1731533236,
+        "lastModified": 1765835352,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "narHash": "sha256-XswHlK/Qtjasvhd1nOa1e8MgZ8GS//jBoTqWtrS1Giw=",
-        "owner": "numtide",
+        "owner": "hercules-ci",
-        "repo": "flake-utils",
+        "repo": "flake-parts",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "rev": "a34fae9c08a15ad73f295041fec82323541400a9",
         "type": "github"
       },
       "original": {
-        "id": "flake-utils",
+        "owner": "hercules-ci",
-        "type": "indirect"
+        "repo": "flake-parts",
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
         "type": "github"
       }
     },
@@ -136,28 +81,6 @@
         "url": "https://git.pvv.ntnu.no/Grzegorz/gergle.git"
       }
     },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "nix-topology",
-          "pre-commit-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
     "greg-ng": {
       "inputs": {
         "nixpkgs": [
@@ -251,11 +174,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767906653,
+        "lastModified": 1769500363,
-        "narHash": "sha256-KMiVvnlkRpW4/MVloLURfjv3bvjcae0X9skext2jKVE=",
+        "narHash": "sha256-vFxmdsLBPdTy5j2bf54gbTQi1XnWbZDmeR/BBh8MFrw=",
         "ref": "main",
-        "rev": "584fd6379c905a6370484c5b5ba0623b4fcb778f",
+        "rev": "2618e434e40e109eaab6a0693313c7e0de7324a3",
-        "revCount": 27,
+        "revCount": 47,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/minecraft-kartverket.git"
       },
@@ -272,11 +195,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767906352,
+        "lastModified": 1770960722,
-        "narHash": "sha256-wYsH9MMAPFG3XTL+3DwI39XMG0F2fTmn/5lt265a3Es=",
+        "narHash": "sha256-IdhPsWFZUKSJh/nLjGLJvGM5d5Uta+k1FlVYPxTZi0E=",
         "ref": "main",
-        "rev": "d054c5d064b8ed6d53a0adb0cf6c0a72febe212e",
+        "rev": "c2e4aca7e1ba27cd09eeaeab47010d32a11841b2",
-        "revCount": 13,
+        "revCount": 15,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git"
       },
@@ -288,19 +211,17 @@
     },
     "nix-topology": {
       "inputs": {
-        "devshell": "devshell",
+        "flake-parts": "flake-parts",
-        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
-        ],
+        ]
-        "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1767888340,
+        "lastModified": 1769018862,
-        "narHash": "sha256-CccRg4d8TpOUGz2HefBZLNYtGrcAyCMa7GVJHcUd8W4=",
+        "narHash": "sha256-x3eMpPQhZwEDunyaUos084Hx41XwYTi2uHY4Yc4YNlk=",
         "owner": "oddlama",
         "repo": "nix-topology",
-        "rev": "416ff06f72e810c554761e3f5dbf33b4f331e73e",
+        "rev": "a15cac71d3399a4c2d1a3482ae62040a3a0aa07f",
         "type": "github"
       },
       "original": {
@@ -312,53 +233,45 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1767871818,
+        "lastModified": 1769724120,
-        "narHash": "sha256-SOIHRu1sk+dW5f5DNTN5xYoeuZCyGIlKqxZ8RRj4lCM=",
+        "narHash": "sha256-oQBM04hQk1kotfv4qmIG1tHmuwODd1+hqRJE5TELeCE=",
-        "rev": "6eb8dee465373971d4495d92e23c2f0979384f76",
+        "rev": "8ec59ed5093c2a742d7744e9ecf58f358aa4a87d",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.3412.6eb8dee46537/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.4961.8ec59ed5093c/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
         "url": "https://nixos.org/channels/nixos-25.11-small/nixexprs.tar.xz"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1765674936,
+        "narHash": "sha256-k00uTP4JNfmejrCLJOwdObYC9jHRrr/5M/a/8L2EIdo=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "2075416fcb47225d9b68ac469a5c4801a9c4dd85",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1767870855,
+        "lastModified": 1769813739,
-        "narHash": "sha256-SmrGFE9SdHFz60YbSCF7TtZ+GV8nIiYiI8fTEDyUouc=",
+        "narHash": "sha256-RmNWW1DQczvDwBHu11P0hGwJZxbngdoymVu7qkwq/2M=",
-        "rev": "719f19e8e447a52152aee8061c7a2951f9254f14",
+        "rev": "16a3cae5c2487b1afa240e5f2c1811f172419558",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre924399.719f19e8e447/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre937548.16a3cae5c248/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
         "url": "https://nixos.org/channels/nixos-unstable-small/nixexprs.tar.xz"
       }
     },
-    "pre-commit-hooks": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "nix-topology",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1765911976,
-        "narHash": "sha256-t3T/xm8zstHRLx+pIHxVpQTiySbKqcQbK+r+01XVKc0=",
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "b68b780b69702a090c8bb1b973bab13756cc7a27",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
     "pvv-calendar-bot": {
       "inputs": {
         "nixpkgs": [
@@ -387,11 +300,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768301954,
+        "lastModified": 1769009806,
-        "narHash": "sha256-qRmrsx0k6Hc0BLM0I/f3YnTg19Sofjk2l1Kp/0Xfhc8=",
+        "narHash": "sha256-52xTtAOc9B+MBRMRZ8HI6ybNsRLMlHHLh+qwAbaJjRY=",
         "ref": "main",
-        "rev": "c997ad4b47993dfd2368c3bbd07a0f71d55e3f5a",
+        "rev": "aa8adfc6a4d5b6222752e2d15d4a6d3b3b85252e",
-        "revCount": 569,
+        "revCount": 575,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/nettsiden.git"
       },
@@ -401,6 +314,27 @@
         "url": "https://git.pvv.ntnu.no/Projects/nettsiden.git"
       }
     },
+    "qotd": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1768684204,
+        "narHash": "sha256-TErBiXxTRPUtZ/Mw8a5p+KCeGCFXa0o8fzwGoo75//Y=",
+        "ref": "main",
+        "rev": "a86f361bb8cfac3845b96d49fcbb2faea669844f",
+        "revCount": 11,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/qotd.git"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/qotd.git"
+      }
+    },
     "root": {
       "inputs": {
         "dibbler": "dibbler",
@@ -417,6 +351,7 @@
         "nixpkgs-unstable": "nixpkgs-unstable",
         "pvv-calendar-bot": "pvv-calendar-bot",
         "pvv-nettsiden": "pvv-nettsiden",
+        "qotd": "qotd",
         "roowho2": "roowho2",
         "sops-nix": "sops-nix"
       }
@@ -429,11 +364,11 @@
         "rust-overlay": "rust-overlay_3"
       },
       "locked": {
-        "lastModified": 1767903580,
+        "lastModified": 1769834595,
-        "narHash": "sha256-UtulIUyFv6HcU5BUcQONtyG29XPTOBMsJ4N0nJGNOUk=",
+        "narHash": "sha256-P1jrO7BxHyIKDuOXHuUb7bi4H2TuYnACW5eqf1gG47g=",
         "ref": "main",
-        "rev": "dd23346bda46629788b08aba2e8af3b3f13335af",
+        "rev": "def4eec2d59a69b4638b3f25d6d713b703b2fa56",
-        "revCount": 38,
+        "revCount": 49,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/roowho2.git"
       },
@@ -493,11 +428,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767322002,
+        "lastModified": 1769309768,
-        "narHash": "sha256-yHKXXw2OWfIFsyTjduB4EyFwR0SYYF0hK8xI9z4NIn0=",
+        "narHash": "sha256-AbOIlNO+JoqRJkK1VrnDXhxuX6CrdtIu2hSuy4pxi3g=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "03c6e38661c02a27ca006a284813afdc461e9f7e",
+        "rev": "140c9dc582cb73ada2d63a2180524fcaa744fad5",
         "type": "github"
       },
       "original": {
@@ -513,11 +448,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767826491,
+        "lastModified": 1769469829,
-        "narHash": "sha256-WSBENPotD2MIhZwolL6GC9npqgaS5fkM7j07V2i/Ur8=",
+        "narHash": "sha256-wFcr32ZqspCxk4+FvIxIL0AZktRs6DuF8oOsLt59YBU=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "ea3adcb6d2a000d9a69d0e23cad1f2cacb3a9fbe",
+        "rev": "c5eebd4eb2e3372fe12a8d70a248a6ee9dd02eff",
         "type": "github"
       },
       "original": {
@@ -526,36 +461,6 @@
         "repo": "sops-nix",
         "type": "github"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -44,6 +44,9 @@
 
     minecraft-kartverket.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-kartverket.git?ref=main";
     minecraft-kartverket.inputs.nixpkgs.follows = "nixpkgs";
+
+    qotd.url = "git+https://git.pvv.ntnu.no/Projects/qotd.git?ref=main";
+    qotd.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = { self, nixpkgs, nixpkgs-unstable, sops-nix, disko, ... }@inputs:
@@ -66,50 +69,32 @@
   in {
     inputs = lib.mapAttrs (_: src: src.outPath) inputs;
 
-    pkgs = forAllSystems (system:
+    pkgs = forAllSystems (system: import nixpkgs {
-      import nixpkgs {
+      inherit system;
-        inherit system;
+      config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg)
-        config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg)
+        [
-          [
+          "nvidia-x11"
-            "nvidia-x11"
+          "nvidia-settings"
-            "nvidia-settings"
+        ];
-          ];
+    });
-      });
 
     nixosConfigurations = let
-      unstablePkgs = nixpkgs-unstable.legacyPackages.x86_64-linux;
-
       nixosConfig =
         nixpkgs:
         name:
         configurationPath:
         extraArgs@{
-          system ? "x86_64-linux",
+          localSystem ? "x86_64-linux", # buildPlatform
+          crossSystem ? "x86_64-linux", # hostPlatform
           specialArgs ? { },
           modules ? [ ],
           overlays ? [ ],
           enableDefaults ? true,
           ...
         }:
-        lib.nixosSystem (lib.recursiveUpdate
+        let
-        {
+          commonPkgsConfig = {
-          inherit system;
+            inherit localSystem crossSystem;
-
-          specialArgs = {
-            inherit unstablePkgs inputs;
-            values = import ./values.nix;
-            fp = path: ./${path};
-          } // specialArgs;
-
-          modules = [
-            configurationPath
-          ] ++ (lib.optionals enableDefaults [
-            sops-nix.nixosModules.sops
-            inputs.roowho2.nixosModules.default
-          ]) ++ modules;
-
-          pkgs = import nixpkgs {
-            inherit system;
             config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg)
               [
                 "nvidia-x11"
@@ -120,9 +105,36 @@
               inputs.roowho2.overlays.default
             ]) ++ overlays;
           };
+
+          pkgs = import nixpkgs commonPkgsConfig;
+          unstablePkgs = import nixpkgs-unstable commonPkgsConfig;
+        in
+        lib.nixosSystem (lib.recursiveUpdate
+        {
+          system = crossSystem;
+
+          inherit pkgs;
+
+          specialArgs = {
+            inherit inputs unstablePkgs;
+            values = import ./values.nix;
+            fp = path: ./${path};
+          } // specialArgs;
+
+          modules = [
+            {
+              networking.hostName = lib.mkDefault name;
+            }
+            configurationPath
+          ] ++ (lib.optionals enableDefaults [
+            sops-nix.nixosModules.sops
+            inputs.roowho2.nixosModules.default
+            self.nixosModules.rsync-pull-targets
+          ]) ++ modules;
         }
         (builtins.removeAttrs extraArgs [
-          "system"
+          "localSystem"
+          "crossSystem"
           "modules"
           "overlays"
           "specialArgs"
@@ -135,7 +147,7 @@
     in {
       bakke = stableNixosConfig "bakke" {
         modules = [
-          disko.nixosModules.disko
+          inputs.disko.nixosModules.disko
         ];
       };
       bicep = stableNixosConfig "bicep" {
@@ -157,16 +169,17 @@
       bekkalokk = stableNixosConfig "bekkalokk" {
         overlays = [
           (final: prev: {
-            heimdal = unstablePkgs.heimdal;
             mediawiki-extensions = final.callPackage ./packages/mediawiki-extensions { };
             simplesamlphp = final.callPackage ./packages/simplesamlphp { };
             bluemap = final.callPackage ./packages/bluemap.nix { };
           })
           inputs.pvv-nettsiden.overlays.default
+          inputs.qotd.overlays.default
         ];
         modules = [
           inputs.pvv-nettsiden.nixosModules.default
           self.nixosModules.bluemap
+          inputs.qotd.nixosModules.default
         ];
       };
       ildkule = stableNixosConfig "ildkule" { };
@@ -174,6 +187,7 @@
       shark = stableNixosConfig "shark" { };
       wenche = stableNixosConfig "wenche" { };
       temmie = stableNixosConfig "temmie" { };
+      gluttony = stableNixosConfig "gluttony" { };
 
       kommode = stableNixosConfig "kommode" {
         overlays = [
@@ -181,6 +195,7 @@
         ];
         modules = [
           inputs.nix-gitea-themes.nixosModules.default
+          inputs.disko.nixosModules.disko
         ];
       };
 
@@ -190,6 +205,8 @@
         ];
       };
 
+      dagali = unstableNixosConfig "dagali" { };
+
       brzeczyszczykiewicz = stableNixosConfig "brzeczyszczykiewicz" {
         modules = [
           inputs.grzegorz-clients.nixosModules.grzegorz-webui
@@ -212,17 +229,39 @@
           inputs.gergle.overlays.default
         ];
       };
-      skrott = stableNixosConfig "skrott" {
+    }
-        system = "aarch64-linux";
+    //
+    (let
+      skrottConfig = {
         modules = [
           (nixpkgs + "/nixos/modules/installer/sd-card/sd-image-aarch64.nix")
           inputs.dibbler.nixosModules.default
         ];
         overlays = [
           inputs.dibbler.overlays.default
+          (final: prev: {
+            # NOTE: Yeetus (these break crosscompile ¯\_(ツ)_/¯)
+            atool = prev.emptyDirectory;
+            micro = prev.emptyDirectory;
+            ncdu = prev.emptyDirectory;
+          })
         ];
       };
-    }
+    in {
+      skrott = self.nixosConfigurations.skrott-native;
+      skrott-native = stableNixosConfig "skrott" (skrottConfig // {
+        localSystem = "aarch64-linux";
+        crossSystem = "aarch64-linux";
+      });
+      skrott-cross = stableNixosConfig "skrott" (skrottConfig // {
+        localSystem = "x86_64-linux";
+        crossSystem = "aarch64-linux";
+      });
+      skrott-x86_64 = stableNixosConfig "skrott" (skrottConfig // {
+        localSystem = "x86_64-linux";
+        crossSystem = "x86_64-linux";
+      });
+    })
     //
     (let
       machineNames = map (i: "lupine-${toString i}") (lib.range 1 5);
@@ -235,15 +274,25 @@
 
     nixosModules = {
       bluemap = ./modules/bluemap.nix;
-      snakeoil-certs = ./modules/snakeoil-certs.nix;
-      snappymail = ./modules/snappymail.nix;
-      robots-txt = ./modules/robots-txt.nix;
       gickup = ./modules/gickup;
       matrix-ooye = ./modules/matrix-ooye.nix;
+      robots-txt = ./modules/robots-txt.nix;
+      rsync-pull-targets = ./modules/rsync-pull-targets.nix;
+      snakeoil-certs = ./modules/snakeoil-certs.nix;
+      snappymail = ./modules/snappymail.nix;
     };
 
     devShells = forAllSystems (system: {
-      default = nixpkgs-unstable.legacyPackages.${system}.callPackage ./shell.nix { };
+      default = let
+        pkgs = import nixpkgs-unstable {
+          inherit system;
+          overlays = [
+            (final: prev: {
+              inherit (inputs.disko.packages.${system}) disko;
+            })
+          ];
+        };
+      in pkgs.callPackage ./shell.nix { };
       cuda = let
         cuda-pkgs = import nixpkgs-unstable {
           inherit system;
@@ -257,19 +306,20 @@
 
     packages = {
       "x86_64-linux" = let
-        pkgs = nixpkgs.legacyPackages."x86_64-linux";
+        system = "x86_64-linux";
+        pkgs = nixpkgs.legacyPackages.${system};
       in rec {
         default = important-machines;
         important-machines = pkgs.linkFarm "important-machines"
-          (lib.getAttrs importantMachines self.packages.x86_64-linux);
+          (lib.getAttrs importantMachines self.packages.${system});
         all-machines = pkgs.linkFarm "all-machines"
-          (lib.getAttrs allMachines self.packages.x86_64-linux);
+          (lib.getAttrs allMachines self.packages.${system});
 
         simplesamlphp = pkgs.callPackage ./packages/simplesamlphp { };
 
         bluemap = pkgs.callPackage ./packages/bluemap.nix { };
 
-        out-of-your-element = pkgs.callPackage ./packages/out-of-your-element.nix { };
+        out-of-your-element = pkgs.callPackage ./packages/ooye/package.nix { };
       }
       //
       # Mediawiki extensions
@@ -285,18 +335,23 @@
       //
       # Skrott is exception
       {
-        skrott = self.nixosConfigurations.skrott.config.system.build.sdImage;
+        skrott = self.packages.${system}.skrott-native-sd;
+        skrott-native = self.nixosConfigurations.skrott-native.config.system.build.toplevel;
+        skrott-native-sd = self.nixosConfigurations.skrott-native.config.system.build.sdImage;
+        skrott-cross = self.nixosConfigurations.skrott-cross.config.system.build.toplevel;
+        skrott-cross-sd = self.nixosConfigurations.skrott-cross.config.system.build.sdImage;
+        skrott-x86_64 = self.nixosConfigurations.skrott-x86_64.config.system.build.toplevel;
       }
       //
       # Nix-topology
       (let
         topology' = import inputs.nix-topology {
           pkgs = import nixpkgs {
-            system = "x86_64-linux";
+            inherit system;
             overlays = [
               inputs.nix-topology.overlays.default
               (final: prev: {
-                inherit (nixpkgs-unstable.legacyPackages.x86_64-linux) super-tiny-icons;
+                inherit (nixpkgs-unstable.legacyPackages.${system}) super-tiny-icons;
               })
             ];
           };

hosts/bakke/configuration.nix

@@ -6,20 +6,13 @@
       ./filesystems.nix
     ];
 
-  sops.defaultSopsFile = ../../secrets/bakke/bakke.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "bakke";
   networking.hostId = "99609ffc";
   systemd.network.networks."30-enp2s0" = values.defaultNetworkConfig // {
     matchConfig.Name = "enp2s0";
     address = with values.hosts.bakke; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
   system.stateVersion = "24.05";
 }

hosts/bakke/filesystems.nix

@@ -1,17 +1,17 @@
-{ config, pkgs, lib, ... }:
+{ pkgs,... }:
 {
   # Boot drives:
   boot.swraid.enable = true;
 
   # ZFS Data pool:
-  environment.systemPackages = with pkgs; [ zfs ];
   boot = {
     zfs = {
       extraPools = [ "tank" ];
       requestEncryptionCredentials = false;
     };
-    supportedFilesystems = [ "zfs" ];
+    supportedFilesystems.zfs = true;
-    kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
+    # Use stable linux packages, these work with zfs
+    kernelPackages = pkgs.linuxPackages;
   };
   services.zfs.autoScrub = {
     enable = true;

hosts/bakke/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/bekkalokk/configuration.nix

@@ -16,18 +16,9 @@
     ./services/webmail
     ./services/website
     ./services/well-known
+    ./services/qotd
   ];
 
-  sops.defaultSopsFile = fp /secrets/bekkalokk/bekkalokk.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "bekkalokk";
-
   systemd.network.networks."30-enp2s0" = values.defaultNetworkConfig // {
     matchConfig.Name = "enp2s0";
     address = with values.hosts.bekkalokk; [ (ipv4 + "/25") (ipv6 + "/64") ];
@@ -35,7 +26,7 @@
 
   services.btrfs.autoScrub.enable = true;
 
-  # Do not change, even during upgrades.
+  # Don't change (even during upgrades) unless you know what you are doing.
   # See https://search.nixos.org/options?show=system.stateVersion
-  system.stateVersion = "22.11";
+  system.stateVersion = "25.11";
 }

hosts/bekkalokk/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/bekkalokk/services/mediawiki/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, fp, config, values, pkgs-unstable, ... }: let
+{ pkgs, lib, fp, config, values, ... }: let
   cfg = config.services.mediawiki;
 
   # "mediawiki"
@@ -34,6 +34,7 @@ in {
   services.idp.sp-remote-metadata = [ "https://wiki.pvv.ntnu.no/simplesaml/" ];
 
   sops.secrets = lib.pipe [
+    "mediawiki/secret-key"
     "mediawiki/password"
     "mediawiki/postgres_password"
     "mediawiki/simplesamlphp/postgres_password"
@@ -48,6 +49,23 @@ in {
     lib.listToAttrs
   ];
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.uploadsDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICHFHa3Iq1oKPhbKCAIHgOoWOTkLmIc7yqxeTbut7ig/ mediawiki rsync backup";
+    };
+  };
+
   services.mediawiki = {
     enable = true;
     name = "Programvareverkstedet";
@@ -144,6 +162,24 @@ in {
       $wgDBserver = "${toString cfg.database.host}";
       $wgAllowCopyUploads = true;
 
+      # Files
+      $wgFileExtensions = [
+        'bmp',
+        'gif',
+        'jpeg',
+        'jpg',
+        'mp3',
+        'odg',
+        'odp',
+        'ods',
+        'odt',
+        'pdf',
+        'png',
+        'tiff',
+        'webm',
+        'webp',
+      ];
+
       # Misc program paths
       $wgFFmpegLocation = '${pkgs.ffmpeg}/bin/ffmpeg';
       $wgExiftool = '${pkgs.exiftool}/bin/exiftool';
@@ -179,15 +215,15 @@ in {
 
   # Cache directory for simplesamlphp
   # systemd.services.phpfpm-mediawiki.serviceConfig.CacheDirectory = "mediawiki/simplesamlphp";
-  systemd.tmpfiles.settings."10-mediawiki"."/var/cache/mediawiki/simplesamlphp".d = {
+  systemd.tmpfiles.settings."10-mediawiki"."/var/cache/mediawiki/simplesamlphp".d = lib.mkIf cfg.enable {
     user = "mediawiki";
     group = "mediawiki";
     mode = "0770";
   };
 
-  users.groups.mediawiki.members = [ "nginx" ];
+  users.groups.mediawiki.members = lib.mkIf cfg.enable [ "nginx" ];
 
-  services.nginx.virtualHosts."wiki.pvv.ntnu.no" = {
+  services.nginx.virtualHosts."wiki.pvv.ntnu.no" = lib.mkIf cfg.enable {
     kTLS = true;
     forceSSL = true;
     enableACME = true;
@@ -233,4 +269,22 @@ in {
     };
 
   };
+
+  systemd.services.mediawiki-init = lib.mkIf cfg.enable {
+    after = [ "sops-install-secrets.service" ];
+    serviceConfig = {
+      BindReadOnlyPaths = [ "/run/credentials/mediawiki-init.service/secret-key:/var/lib/mediawiki/secret.key" ];
+      LoadCredential = [ "secret-key:${config.sops.secrets."mediawiki/secret-key".path}" ];
+      UMask = lib.mkForce "0007";
+    };
+  };
+
+  systemd.services.phpfpm-mediawiki = lib.mkIf cfg.enable {
+    after = [ "sops-install-secrets.service" ];
+    serviceConfig = {
+      BindReadOnlyPaths = [ "/run/credentials/phpfpm-mediawiki.service/secret-key:/var/lib/mediawiki/secret.key" ];
+      LoadCredential = [ "secret-key:${config.sops.secrets."mediawiki/secret-key".path}" ];
+      UMask = lib.mkForce "0007";
+    };
+  };
 }

hosts/bekkalokk/services/qotd/default.nix

@@ -0,0 +1,6 @@
+{
+  services.qotd = {
+    enable = true;
+    quotes = builtins.fromJSON (builtins.readFile ./quotes.json);
+  };
+}

hosts/bekkalokk/services/qotd/quotes.json

@@ -0,0 +1 @@
+["quote 1", "quote 2"]

hosts/bekkalokk/services/vaultwarden.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, values, ... }:
 let
   cfg = config.services.vaultwarden;
   domain = "pw.pvv.ntnu.no";
@@ -99,4 +99,21 @@ in {
       ];
     };
   };
+
+  services.rsync-pull-targets = {
+    enable = true;
+    locations."/var/lib/vaultwarden" = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB2cDaW52gBtLVaNqoGijvN2ZAVkAWlII5AXUzT3Dswj vaultwarden rsync backup";
+    };
+  };
 }

hosts/bekkalokk/services/webmail/snappymail.nix

@@ -1,4 +1,4 @@
-{ config, lib, fp, pkgs, ... }:
+{ config, lib, fp, pkgs, values, ... }:
 let
   cfg = config.services.snappymail;
 in {
@@ -14,5 +14,21 @@ in {
     enableACME = true;
     kTLS = true;
   };
-}
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.dataDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJENMnuNsHEeA91oX+cj7Qpex2defSXP/lxznxCAqV03 snappymail rsync backup";
+    };
+  };
+}

hosts/bekkalokk/services/website/fetch-gallery.nix

@@ -1,15 +1,30 @@
-{ pkgs, lib, config, ... }:
+{ pkgs, lib, config, values, ... }:
 let
   galleryDir = config.services.pvv-nettsiden.settings.GALLERY.DIR;
   transferDir = "${config.services.pvv-nettsiden.settings.GALLERY.DIR}-transfer";
 in {
   users.users.${config.services.pvv-nettsiden.user} = {
+    # NOTE: the user unfortunately needs a registered shell for rrsync to function...
+    #       is there anything we can do to remove this?
     useDefaultShell = true;
+  };
 
-    # This is pushed from microbel:/var/www/www-gallery/build-gallery.sh
+  # This is pushed from microbel:/var/www/www-gallery/build-gallery.sh
-    openssh.authorizedKeys.keys = [
+  services.rsync-pull-targets = {
-    ''command="${pkgs.rrsync}/bin/rrsync -wo ${transferDir}",restrict,no-agent-forwarding,no-port-forwarding,no-pty,no-X11-forwarding ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIjHhC2dikhWs/gG+m7qP1eSohWzTehn4ToNzDSOImyR gallery-publish''
+    enable = true;
-    ];
+    locations.${transferDir} = {
+      user = config.services.pvv-nettsiden.user;
+      rrsyncArgs.wo = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"microbel.pvv.ntnu.no,${values.hosts.microbel.ipv6},${values.hosts.microbel.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIjHhC2dikhWs/gG+m7qP1eSohWzTehn4ToNzDSOImyR gallery-publish";
+    };
   };
 
   systemd.paths.pvv-nettsiden-gallery-update = {

hosts/bekkalokk/services/well-known/default.nix

@@ -1,18 +1,25 @@
-{ ... }:
+{ lib, ... }:
 {
-  services.nginx.virtualHosts."www.pvv.ntnu.no".locations = {
+  services.nginx.virtualHosts = lib.genAttrs [
-    "^~ /.well-known/" = {
+    "pvv.ntnu.no"
-      alias = (toString ./root) + "/";
+    "www.pvv.ntnu.no"
-    };
+    "pvv.org"
+    "www.pvv.org"
+  ] (_: {
+    locations = {
+      "^~ /.well-known/" = {
+        alias = (toString ./root) + "/";
+      };
 
-    # Proxy the matrix well-known files
+      # Proxy the matrix well-known files
-    # Host has be set before proxy_pass
+      # Host has be set before proxy_pass
-    # The header must be set so nginx on the other side routes it to the right place
+      # The header must be set so nginx on the other side routes it to the right place
-    "^~ /.well-known/matrix/" = {
+      "^~ /.well-known/matrix/" = {
-      extraConfig = ''
+        extraConfig = ''
-        proxy_set_header Host matrix.pvv.ntnu.no;
+          proxy_set_header Host matrix.pvv.ntnu.no;
-        proxy_pass https://matrix.pvv.ntnu.no/.well-known/matrix/;
+          proxy_pass https://matrix.pvv.ntnu.no/.well-known/matrix/;
-      '';
+        '';
+      };
     };
-  };
+  });
 }

hosts/bekkalokk/services/well-known/root/security.txt

@@ -6,7 +6,11 @@ Contact: mailto:cert@pvv.ntnu.no
 Preferred-Languages: no, en
 
 Expires: 2032-12-31T23:59:59.000Z
-# This file was last updated 2024-09-14.
+# This file was last updated 2026-02-27.
 
 # You can find a wikipage for our security policies at:
 # https://wiki.pvv.ntnu.no/wiki/CERT
+
+# Please note that we are a student organization, and unfortunately we do not
+# have a bug bounty program or offer monetary compensation for disclosure of
+# security vulnerabilities.

hosts/bicep/configuration.nix

@@ -9,22 +9,12 @@
     ./services/calendar-bot.nix
     #./services/git-mirrors
     ./services/minecraft-heatmap.nix
-    ./services/mysql.nix
+    ./services/mysql
-    ./services/postgres.nix
+    ./services/postgresql
 
     ./services/matrix
   ];
 
-  sops.defaultSopsFile = fp /secrets/bicep/bicep.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "bicep";
-
   #systemd.network.networks."30-enp6s0f0" = values.defaultNetworkConfig // {
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     #matchConfig.Name = "enp6s0f0";
@@ -36,17 +26,9 @@
     anyInterface = true;
   };
 
-  # There are no smart devices
-  services.smartd.enable = false;
-
-  # we are a vm now
   services.qemuGuest.enable = true;
 
-  # Enable the OpenSSH daemon.
+  # Don't change (even during upgrades) unless you know what you are doing.
-  services.openssh.enable = true;
-  services.sshguard.enable = true;
-
-  # Do not change, even during upgrades.
   # See https://search.nixos.org/options?show=system.stateVersion
-  system.stateVersion = "22.11";
+  system.stateVersion = "25.11";
 }

hosts/bicep/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/bicep/services/git-mirrors/default.nix

@@ -66,6 +66,7 @@ in
       package = pkgs.callPackage (fp /packages/cgit.nix) { };
       group = "gickup";
       scanPath = "${cfg.dataDir}/linktree";
+      gitHttpBackend.checkExportOkFiles = false;
       settings = {
         enable-commit-graph = true;
         enable-follow-links = true;

hosts/bicep/services/matrix/coturn.nix

@@ -1,13 +1,6 @@
 { config, lib, fp, pkgs, secrets, values, ... }:
 
 {
-  sops.secrets."matrix/synapse/turnconfig" = {
-    sopsFile = fp /secrets/bicep/matrix.yaml;
-    key = "synapse/turnconfig";
-    owner = config.users.users.matrix-synapse.name;
-    group = config.users.users.matrix-synapse.group;
-    restartUnits = [ "coturn.service" ];
-  };
   sops.secrets."matrix/coturn/static-auth-secret" = {
     sopsFile = fp /secrets/bicep/matrix.yaml;
     key = "coturn/static-auth-secret";
@@ -16,9 +9,18 @@
     restartUnits = [ "coturn.service" ];
   };
 
+  sops.templates."matrix-synapse-turnconfig" = {
+    owner = config.users.users.matrix-synapse.name;
+    group = config.users.users.matrix-synapse.group;
+    content = ''
+      turn_shared_secret: ${config.sops.placeholder."matrix/coturn/static-auth-secret"}
+    '';
+    restartUnits = [ "matrix-synapse.target" ];
+  };
+
   services.matrix-synapse-next = {
     extraConfigFiles = [
-      config.sops.secrets."matrix/synapse/turnconfig".path
+      config.sops.templates."matrix-synapse-turnconfig".path
     ];
 
     settings = {

hosts/bicep/services/matrix/default.nix

@@ -1,19 +1,17 @@
 { config, ... }:
-
 {
-
   imports = [
-    ./synapse.nix
     ./synapse-admin.nix
+    ./synapse-auto-compressor.nix
+    ./synapse.nix
     ./element.nix
     ./coturn.nix
+    ./livekit.nix
     ./mjolnir.nix
+    ./well-known.nix
 
     # ./discord.nix
     ./out-of-your-element.nix
     ./hookshot
   ];
-
-
-
 }

hosts/bicep/services/matrix/element.nix

@@ -2,6 +2,13 @@
 let
   synapse-cfg = config.services.matrix-synapse-next;
 in {
+  services.pvv-matrix-well-known.client = {
+    "m.homeserver" = {
+      base_url = "https://matrix.pvv.ntnu.no";
+      server_name = "pvv.ntnu.no";
+    };
+  };
+
   services.nginx.virtualHosts."chat.pvv.ntnu.no" = {
     enableACME = true;
     forceSSL = true;
@@ -9,10 +16,10 @@ in {
 
     root = pkgs.element-web.override {
       conf = {
-        default_server_config."m.homeserver" = {
+        # Tries to look up well-known first, else uses bundled config.
-          base_url = "https://matrix.pvv.ntnu.no";
+        default_server_name = "matrix.pvv.ntnu.no";
-          server_name = "pvv.ntnu.no";
+        default_server_config = config.services.pvv-matrix-well-known.client;
-        };
+
         disable_3pid_login = true;
 #        integrations_ui_url = "https://dimension.dodsorf.as/riot";
 #        integrations_rest_url = "https://dimension.dodsorf.as/api/v1/scalar";
@@ -30,6 +37,7 @@ in {
           # element call group calls
           feature_group_calls = true;
         };
+        default_country_code = "NO";
         default_theme = "dark";
         # Servers in this list should provide some sort of valuable scoping
         # matrix.org is not useful compared to matrixrooms.info,

hosts/bicep/services/matrix/hookshot/default.nix

@@ -14,6 +14,10 @@ in
     sopsFile = fp /secrets/bicep/matrix.yaml;
     key = "hookshot/hs_token";
   };
+  sops.secrets."matrix/hookshot/passkey" = {
+    sopsFile = fp /secrets/bicep/matrix.yaml;
+    key = "hookshot/passkey";
+  };
 
   sops.templates."hookshot-registration.yaml" = {
     owner = config.users.users.matrix-synapse.name;
@@ -44,9 +48,14 @@ in
   };
 
   systemd.services.matrix-hookshot = {
-    serviceConfig.SupplementaryGroups = [
+    serviceConfig = {
-      config.users.groups.keys-matrix-registrations.name
+      SupplementaryGroups = [
-    ];
+        config.users.groups.keys-matrix-registrations.name
+      ];
+      LoadCredential = [
+        "passkey.pem:${config.sops.secrets."matrix/hookshot/passkey".path}"
+      ];
+    };
   };
 
   services.matrix-hookshot = {
@@ -54,6 +63,8 @@ in
     package = unstablePkgs.matrix-hookshot;
     registrationFile = config.sops.templates."hookshot-registration.yaml".path;
     settings = {
+      passFile = "/run/credentials/matrix-hookshot.service/passkey.pem";
+
       bridge = {
         bindAddress = "127.0.0.1";
         domain = "pvv.ntnu.no";
@@ -61,6 +72,7 @@ in
         mediaUrl = "https://matrix.pvv.ntnu.no";
         port = 9993;
       };
+
       listeners = [
         {
           bindAddress = webhookListenAddress;
@@ -73,6 +85,7 @@ in
           ];
         }
       ];
+
       generic = {
         enabled = true;
         outbound = true;

hosts/bicep/services/matrix/livekit.nix

@@ -0,0 +1,67 @@
+{ config, lib, fp, ... }:
+let
+  synapseConfig = config.services.matrix-synapse-next;
+  matrixDomain = "matrix.pvv.ntnu.no";
+  cfg = config.services.livekit;
+in
+{
+  sops.secrets."matrix/livekit/keyfile/lk-jwt-service" = {
+    sopsFile = fp /secrets/bicep/matrix.yaml;
+    key = "livekit/keyfile/lk-jwt-service";
+  };
+  sops.templates."matrix-livekit-keyfile" = {
+    restartUnits = [
+      "livekit.service"
+      "lk-jwt-service.service"
+    ];
+    content = ''
+      lk-jwt-service: ${config.sops.placeholder."matrix/livekit/keyfile/lk-jwt-service"}
+    '';
+  };
+
+  services.pvv-matrix-well-known.client = lib.mkIf cfg.enable {
+    "org.matrix.msc4143.rtc_foci" = [{
+      type = "livekit";
+      livekit_service_url = "https://${matrixDomain}/livekit/jwt";
+    }];
+  };
+
+  services.livekit = {
+    enable = true;
+    openFirewall = true;
+    keyFile = config.sops.templates."matrix-livekit-keyfile".path;
+
+    # NOTE: needed for ingress/egress workers
+    # redis.createLocally = true;
+
+    # settings.room.auto_create = false;
+  };
+
+  services.lk-jwt-service = lib.mkIf cfg.enable {
+    enable = true;
+    livekitUrl = "wss://${matrixDomain}/livekit/sfu";
+    keyFile = config.sops.templates."matrix-livekit-keyfile".path;
+  };
+
+  systemd.services.lk-jwt-service.environment.LIVEKIT_FULL_ACCESS_HOMESERVERS = lib.mkIf cfg.enable (builtins.concatStringsSep "," [ "pvv.ntnu.no" "dodsorf.as" ]);
+
+  services.nginx.virtualHosts.${matrixDomain} = lib.mkIf cfg.enable {
+    locations."^~ /livekit/jwt/" = {
+      proxyPass = "http://localhost:${toString config.services.lk-jwt-service.port}/";
+    };
+
+    # TODO: load balance to multiple livekit ingress/egress workers
+    locations."^~ /livekit/sfu/" = {
+      proxyPass = "http://localhost:${toString config.services.livekit.settings.port}/";
+      proxyWebsockets = true;
+      extraConfig = ''
+        proxy_send_timeout 120;
+        proxy_read_timeout 120;
+        proxy_buffering off;
+        proxy_set_header Accept-Encoding gzip;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+      '';
+    };
+  };
+}

hosts/bicep/services/matrix/out-of-your-element.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, fp, ... }:
+{ config, pkgs, lib, values, fp, ... }:
 let
   cfg = config.services.matrix-ooye;
 in
@@ -28,6 +28,23 @@ in
     };
   };
 
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations."/var/lib/private/matrix-ooye" = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE5koYfor5+kKB30Dugj3dAWvmj8h/akQQ2XYDvLobFL matrix_ooye rsync backup";
+    };
+  };
+
   services.matrix-ooye = {
     enable = true;
     homeserver = "https://matrix.pvv.ntnu.no";

hosts/bicep/services/matrix/synapse-auto-compressor.nix

@@ -0,0 +1,56 @@
+{ config, lib, utils, ... }:
+let
+  cfg = config.services.synapse-auto-compressor;
+in
+{
+  services.synapse-auto-compressor = {
+    # enable = true;
+    postgresUrl = "postgresql://matrix-synapse@/synapse?host=/run/postgresql";
+  };
+
+  # NOTE: nixpkgs has some broken asserts, vendored the entire unit
+  systemd.services.synapse-auto-compressor = {
+    description = "synapse-auto-compressor";
+    requires = [
+      "postgresql.target"
+    ];
+    inherit (cfg) startAt;
+    serviceConfig = {
+      Type = "oneshot";
+      DynamicUser = true;
+      User = "matrix-synapse";
+      PrivateTmp = true;
+      ExecStart = utils.escapeSystemdExecArgs [
+        "${cfg.package}/bin/synapse_auto_compressor"
+        "-p"
+        cfg.postgresUrl
+        "-c"
+        cfg.settings.chunk_size
+        "-n"
+        cfg.settings.chunks_to_compress
+        "-l"
+        (lib.concatStringsSep "," (map toString cfg.settings.levels))
+      ];
+      LockPersonality = true;
+      MemoryDenyWriteExecute = true;
+      NoNewPrivileges = true;
+      PrivateDevices = true;
+      PrivateMounts = true;
+      PrivateUsers = true;
+      RemoveIPC = true;
+      RestrictNamespaces = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      ProcSubset = "pid";
+      ProtectProc = "invisible";
+      ProtectSystem = "strict";
+      ProtectHome = true;
+      ProtectHostname = true;
+      ProtectClock = true;
+      ProtectKernelTunables = true;
+      ProtectKernelModules = true;
+      ProtectKernelLogs = true;
+      ProtectControlGroups = true;
+    };
+  };
+}

hosts/bicep/services/matrix/synapse.nix

@@ -15,11 +15,33 @@ in {
     group = config.users.users.matrix-synapse.group;
   };
 
-  sops.secrets."matrix/synapse/user_registration" = {
+  sops.secrets."matrix/synapse/user_registration/registration_shared_secret" = {
     sopsFile = fp /secrets/bicep/matrix.yaml;
-    key = "synapse/signing_key";
+    key = "synapse/user_registration/registration_shared_secret";
+  };
+  sops.templates."matrix-synapse-user-registration" = {
     owner = config.users.users.matrix-synapse.name;
     group = config.users.users.matrix-synapse.group;
+    content = ''
+      registration_shared_secret: ${config.sops.placeholder."matrix/synapse/user_registration/registration_shared_secret"}
+    '';
+  };
+
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.settings.media_store_path} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIASnjI9b3j4ZS3BL/D1ggHfws1BkE8iS0v0cGpEmbG+k matrix_media_store rsync backup";
+    };
   };
 
   services.matrix-synapse-next = {
@@ -83,7 +105,7 @@ in {
       mau_stats_only = true;
 
       enable_registration = false;
-      registration_shared_secret_path = config.sops.secrets."matrix/synapse/user_registration".path;
+      registration_shared_secret_path = config.sops.templates."matrix-synapse-user-registration".path;
 
       password_config.enabled = true;
 
@@ -95,6 +117,32 @@ in {
         }
       ];
 
+      experimental_features = {
+        # MSC3266: Room summary API. Used for knocking over federation
+        msc3266_enabled = true;
+        # MSC4222 needed for syncv2 state_after. This allow clients to
+        # correctly track the state of the room.
+        msc4222_enabled = true;
+      };
+
+      # The maximum allowed duration by which sent events can be delayed, as
+      # per MSC4140.
+      max_event_delay_duration = "24h";
+
+      rc_message = {
+        # This needs to match at least e2ee key sharing frequency plus a bit of headroom
+        # Note key sharing events are bursty
+        per_second = 0.5;
+        burst_count = 30;
+      };
+
+      rc_delayed_event_mgmt = {
+        # This needs to match at least the heart-beat frequency plus a bit of headroom
+        # Currently the heart-beat is every 5 seconds which translates into a rate of 0.2s
+        per_second = 1;
+        burst_count = 20;
+      };
+
       trusted_key_servers = [
         { server_name = "matrix.org"; }
         { server_name = "dodsorf.as"; }
@@ -132,21 +180,12 @@ in {
 
   services.redis.servers."".enable = true;
 
+  services.pvv-matrix-well-known.server."m.server" = "matrix.pvv.ntnu.no:443";
+
   services.nginx.virtualHosts."matrix.pvv.ntnu.no" = lib.mkMerge [
   {
     kTLS = true;
   }
-  {
-    locations."/.well-known/matrix/server" = {
-      return = ''
-        200 '{"m.server": "matrix.pvv.ntnu.no:443"}'
-      '';
-      extraConfig = ''
-        default_type application/json;
-        add_header Access-Control-Allow-Origin *;
-      '';
-    };
-  }
   {
     locations."/_synapse/admin" = {
       proxyPass = "http://$synapse_backend";

hosts/bicep/services/matrix/well-known.nix

@@ -0,0 +1,44 @@
+{ config, pkgs, lib, ... }:
+let
+  cfg = config.services.pvv-matrix-well-known;
+  format = pkgs.formats.json { };
+  matrixDomain = "matrix.pvv.ntnu.no";
+in
+{
+  options.services.pvv-matrix-well-known = {
+    client = lib.mkOption {
+      type = lib.types.submodule { freeformType = format.type; };
+      default = { };
+      example = {
+        "m.homeserver".base_url = "https://${matrixDomain}/";
+      };
+    };
+
+    server = lib.mkOption {
+      type = lib.types.submodule { freeformType = format.type; };
+      default = { };
+      example = {
+        "m.server" = "https://${matrixDomain}/";
+      };
+    };
+  };
+
+  config = {
+    services.nginx.virtualHosts.${matrixDomain} = {
+      locations."= /.well-known/matrix/client" = lib.mkIf (cfg.client != { }) {
+        alias = format.generate "nginx-well-known-matrix-server.json" cfg.client;
+        extraConfig = ''
+          default_type application/json;
+          add_header Access-Control-Allow-Origin *;
+        '';
+      };
+      locations."= /.well-known/matrix/server" = lib.mkIf (cfg.server != { }) {
+        alias = format.generate "nginx-well-known-matrix-server.json" cfg.server;
+        extraConfig = ''
+          default_type application/json;
+          add_header Access-Control-Allow-Origin *;
+        '';
+      };
+    };
+  };
+}

hosts/bicep/services/minecraft-heatmap.nix

@@ -22,7 +22,7 @@ in
     };
   };
 
-  systemd.services.minecraft-heatmap-ingest-logs = {
+  systemd.services.minecraft-heatmap-ingest-logs = lib.mkIf cfg.enable {
     serviceConfig.LoadCredential = [
       "sshkey:${config.sops.secrets."minecraft-heatmap/ssh-key/private".path}"
     ];

hosts/bicep/services/mysql/backup.nix

@@ -0,0 +1,83 @@
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.mysql;
+  backupDir = "/data/mysql-backups";
+in
+{
+  # services.mysqlBackup = lib.mkIf cfg.enable {
+  #   enable = true;
+  #   location = "/var/lib/mysql-backups";
+  # };
+
+  systemd.tmpfiles.settings."10-mysql-backups".${backupDir}.d = {
+	  user = "mysql";
+	  group = "mysql";
+	  mode = "700";
+	};
+
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations.${backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJgj55/7Cnj4cYMJ5sIkl+OwcGeBe039kXJTOf2wvo9j mysql rsync backup";
+    };
+  };
+
+  # NOTE: instead of having the upstream nixpkgs postgres backup unit trigger
+  #       another unit, it was easier to just make one ourselves.
+  systemd.services."backup-mysql" = lib.mkIf cfg.enable {
+    description = "Backup MySQL data";
+    requires = [ "mysql.service" ];
+
+    path = with pkgs; [
+      cfg.package
+      coreutils
+      zstd
+    ];
+
+    script = let
+      rotations = 2;
+    in ''
+      set -euo pipefail
+
+      OUT_FILE="$STATE_DIRECTORY/mysql-dump-$(date --iso-8601).sql.zst"
+
+      mysqldump --all-databases | zstd --compress -9 --rsyncable -o "$OUT_FILE"
+
+      # NOTE: this needs to be a hardlink for rrsync to allow sending it
+      rm "$STATE_DIRECTORY/mysql-dump-latest.sql.zst" ||:
+      ln -T "$OUT_FILE" "$STATE_DIRECTORY/mysql-dump-latest.sql.zst"
+
+      while [ "$(find "$STATE_DIRECTORY" -type f -printf '.' | wc -c)" -gt ${toString (rotations + 1)} ]; do
+        rm "$(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)"
+      done
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+      User = "mysql";
+      Group = "mysql";
+      UMask = "0077";
+
+      Nice = 19;
+      IOSchedulingClass = "best-effort";
+      IOSchedulingPriority = 7;
+
+      StateDirectory = [ "mysql-backups" ];
+      BindPaths = [ "${backupDir}:/var/lib/mysql-backups" ];
+
+      # TODO: hardening
+    };
+
+    startAt = "*-*-* 02:15:00";
+  };
+}

hosts/bicep/services/mysql/default.nix

@@ -1,5 +1,11 @@
-{ pkgs, lib, config, values, ... }:
+{ config, pkgs, lib, values, ... }:
+let
+  cfg = config.services.mysql;
+  dataDir = "/data/mysql";
+in
 {
+  imports = [ ./backup.nix ];
+
   sops.secrets."mysql/password" = {
     owner = "mysql";
     group = "mysql";
@@ -9,8 +15,7 @@
 
   services.mysql = {
     enable = true;
-    dataDir = "/data/mysql";
+    package = pkgs.mariadb_118;
-    package = pkgs.mariadb;
     settings = {
       mysqld = {
         # PVV allows a lot of connections at the same time
@@ -21,6 +26,9 @@
         # This was needed in order to be able to use all of the old users
         # during migration from knakelibrak to bicep in Sep. 2023
         secure_auth = 0;
+
+        slow-query-log = 1;
+        slow-query-log-file = "/var/log/mysql/mysql-slow.log";
       };
     };
 
@@ -36,20 +44,31 @@
     }];
   };
 
-  services.mysqlBackup = {
+  networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 3306 ];
-    enable = true;
+
-    location = "/var/lib/mysql/backups";
+  systemd.tmpfiles.settings."10-mysql".${dataDir}.d = lib.mkIf cfg.enable {
+    inherit (cfg) user group;
+    mode = "0700";
   };
 
-  networking.firewall.allowedTCPPorts = [ 3306 ];
+  systemd.services.mysql = lib.mkIf cfg.enable {
-
+    after = [
-  systemd.services.mysql.serviceConfig = {
+      "systemd-tmpfiles-setup.service"
-    IPAddressDeny = "any";
+      "systemd-tmpfiles-resetup.service"
-    IPAddressAllow = [
-      values.ipv4-space
-      values.ipv6-space
-      values.hosts.ildkule.ipv4
-      values.hosts.ildkule.ipv6
     ];
+
+    serviceConfig = {
+      BindPaths = [ "${dataDir}:${cfg.dataDir}" ];
+
+      LogsDirectory = "mysql";
+
+      IPAddressDeny = "any";
+      IPAddressAllow = [
+        values.ipv4-space
+        values.ipv6-space
+        values.hosts.ildkule.ipv4
+        values.hosts.ildkule.ipv6
+      ];
+    };
   };
 }

hosts/bicep/services/postgresql/backup.nix

@@ -0,0 +1,84 @@
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.postgresql;
+  backupDir = "/data/postgresql-backups";
+in
+{
+  # services.postgresqlBackup = lib.mkIf cfg.enable {
+  #   enable = true;
+  #   location = "/var/lib/postgresql-backups";
+  #   backupAll = true;
+  # };
+
+  systemd.tmpfiles.settings."10-postgresql-backups".${backupDir}.d = {
+	  user = "postgres";
+	  group = "postgres";
+	  mode = "700";
+	};
+
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations.${backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGvO7QX7QmwSiGLXEsaxPIOpAqnJP3M+qqQRe5dzf8gJ postgresql rsync backup";
+    };
+  };
+
+  # NOTE: instead of having the upstream nixpkgs postgres backup unit trigger
+  #       another unit, it was easier to just make one ourselves
+  systemd.services."backup-postgresql" = {
+    description = "Backup PostgreSQL data";
+    requires = [ "postgresql.service" ];
+
+    path = with pkgs; [
+      coreutils
+      zstd
+      cfg.package
+    ];
+
+    script = let
+      rotations = 2;
+    in ''
+      set -euo pipefail
+
+      OUT_FILE="$STATE_DIRECTORY/postgresql-dump-$(date --iso-8601).sql.zst"
+
+      pg_dumpall -U postgres | zstd --compress -9 --rsyncable -o "$OUT_FILE"
+
+      # NOTE: this needs to be a hardlink for rrsync to allow sending it
+      rm "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst" ||:
+      ln -T "$OUT_FILE" "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst"
+
+      while [ "$(find "$STATE_DIRECTORY" -type f -printf '.' | wc -c)" -gt ${toString (rotations + 1)} ]; do
+        rm "$(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)"
+      done
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+      User = "postgres";
+      Group = "postgres";
+      UMask = "0077";
+
+      Nice = 19;
+      IOSchedulingClass = "best-effort";
+      IOSchedulingPriority = 7;
+
+      StateDirectory = [ "postgresql-backups" ];
+      BindPaths = [ "${backupDir}:/var/lib/postgresql-backups" ];
+
+      # TODO: hardening
+    };
+
+    startAt = "*-*-* 01:15:00";
+  };
+}

hosts/bicep/services/postgresql/default.nix

@@ -1,8 +1,13 @@
-{ config, pkgs, values, ... }:
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.postgresql;
+in
 {
+  imports = [ ./backup.nix ];
+
   services.postgresql = {
     enable = true;
-    package = pkgs.postgresql_15;
+    package = pkgs.postgresql_18;
     enableTCPIP = true;
 
     authentication = ''
@@ -74,13 +79,13 @@
     };
   };
 
-  systemd.tmpfiles.settings."10-postgresql"."/data/postgresql".d = {
+  systemd.tmpfiles.settings."10-postgresql"."/data/postgresql".d = lib.mkIf cfg.enable {
     user = config.systemd.services.postgresql.serviceConfig.User;
     group = config.systemd.services.postgresql.serviceConfig.Group;
     mode = "0700";
   };
 
-  systemd.services.postgresql-setup = {
+  systemd.services.postgresql-setup = lib.mkIf cfg.enable {
     after = [
       "systemd-tmpfiles-setup.service"
       "systemd-tmpfiles-resetup.service"
@@ -95,7 +100,7 @@
     };
   };
 
-  systemd.services.postgresql = {
+  systemd.services.postgresql = lib.mkIf cfg.enable {
     after = [
       "systemd-tmpfiles-setup.service"
       "systemd-tmpfiles-resetup.service"
@@ -110,18 +115,12 @@
     };
   };
 
-  environment.snakeoil-certs."/etc/certs/postgres" = {
+  environment.snakeoil-certs."/etc/certs/postgres" = lib.mkIf cfg.enable {
     owner = "postgres";
     group = "postgres";
     subject = "/C=NO/O=Programvareverkstedet/CN=postgres.pvv.ntnu.no/emailAddress=drift@pvv.ntnu.no";
   };
 
-  networking.firewall.allowedTCPPorts = [ 5432 ];
+  networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 5432 ];
-  networking.firewall.allowedUDPPorts = [ 5432 ];
+  networking.firewall.allowedUDPPorts = lib.mkIf cfg.enable [ 5432 ];
-
-  services.postgresqlBackup = {
-    enable = true;
-    location = "/var/lib/postgres/backups";
-    backupAll = true;
-  };
 }

hosts/bikkje/configuration.nix

@@ -1,6 +1,6 @@
 { config, pkgs, values, ... }:
 {
-    networking.nat = {
+  networking.nat = {
     enable = true;
     internalInterfaces = ["ve-+"];
     externalInterface = "ens3";
@@ -25,6 +25,7 @@
       ];
 
       networking = {
+        hostName = "bikkje";
         firewall = {
           enable = true;
           # Allow SSH and HTTP and ports for email and irc
@@ -36,9 +37,11 @@
         useHostResolvConf = mkForce false;
       };
 
-      system.stateVersion = "23.11";
       services.resolved.enable = true;
+
+      # Don't change (even during upgrades) unless you know what you are doing.
+      # See https://search.nixos.org/options?show=system.stateVersion
+      system.stateVersion = "23.11";
     };
   };
-
 };

hosts/brzeczyszczykiewicz/configuration.nix

@@ -8,28 +8,14 @@
       ./services/grzegorz.nix
     ];
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "brzeczyszczykiewicz";
-
   systemd.network.networks."30-eno1" = values.defaultNetworkConfig // {
     matchConfig.Name = "eno1";
     address = with values.hosts.brzeczyszczykiewicz; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
+  fonts.fontconfig.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # List services that you want to enable:
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
 }

hosts/brzeczyszczykiewicz/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/dagali/TODO.md

@@ -0,0 +1,78 @@
+# Tracking document for new PVV kerberos auth stack
+
+![Bensinstasjon på heimdal](https://bydelsnytt.no/wp-content/uploads/2022/08/esso_heimdal003.jpg)
+
+<div align="center">
+  Bensinstasjon på heimdal
+</div>
+
+### TODO:
+
+- [ ] setup heimdal
+  - [x] ensure running with systemd
+  - [x] compile smbk5pwd (part of openldap)
+  - [ ] set `modify -a -disallow-all-tix,requires-pre-auth default` declaratively
+  - [ ] fully initialize PVV.NTNU.NO
+    - [x] `kadmin -l init PVV.NTNU.NO`
+    - [x] add oysteikt/admin@PVV.NTNU.NO principal
+    - [x] add oysteikt@PVV.NTNU.NO principal
+    - [x] add krbtgt/PVV.NTNU.NO@PVV.NTNU.NO principal?
+      - why is this needed, and where is it documented?
+      - `kadmin check` seems to work under sudo?
+      - (it is included by default, just included as error message
+         in a weird state)
+
+    - [x] Ensure client is working correctly
+      - [x] Ensure kinit works on darbu
+      - [x] Ensure kpasswd works on darbu
+      - [x] Ensure kadmin get <user> (and other restricted commands) works on darbu
+
+    - [ ] Ensure kdc is working correctly
+      - [x] Ensure kinit works on dagali
+      - [x] Ensure kpasswd works on dagali
+      - [ ] Ensure kadmin get <user> (and other restricte commands) works on dagali
+
+    - [x] Fix FQDN
+      - https://github.com/NixOS/nixpkgs/issues/94011
+      - https://github.com/NixOS/nixpkgs/issues/261269
+      - Possibly fixed by disabling systemd-resolved
+
+- [ ] setup cyrus sasl
+  - [x] ensure running with systemd 
+  - [x] verify GSSAPI support plugin is installed
+    - `nix-shell -p cyrus_sasl --command pluginviewer`
+  - [x] create "host/localhost@PVV.NTNU.NO" and export to keytab
+  - [x] verify cyrus sasl is able to talk to heimdal
+    - `sudo testsaslauthd -u oysteikt -p <password>`
+  - [ ] provide ldap principal to cyrus sasl through keytab
+
+- [ ] setup openldap
+  - [x] ensure running with systemd
+  - [ ] verify openldap is able to talk to cyrus sasl
+  - [ ] create user for oysteikt in openldap
+  - [ ] authenticate openldap login through sasl
+    - does this require creating an ldap user?
+
+- [ ] fix smbk5pwd integration
+  - [x] add smbk5pwd schemas to openldap
+  - [x] create openldap db for smbk5pwd with overlays
+  - [ ] test to ensure that user sync is working
+  - [ ] test as user source (replace passwd)
+  - [ ] test as PAM auth source
+  - [ ] test as auth source for 3rd party appliation
+
+- [ ] Set up ldap administration panel
+  - Doesn't seem like there are many good ones out there. Maybe phpLDAPAdmin?
+
+- [ ] Set up kerberos SRV DNS entry
+
+### Information and URLS
+
+- OpenLDAP SASL: https://www.openldap.org/doc/admin24/sasl.html
+- Use a keytab: https://kb.iu.edu/d/aumh
+- 2 ways for openldap to auth: https://security.stackexchange.com/questions/65093/how-to-test-ldap-that-authenticates-with-kerberos
+- Cyrus guide OpenLDAP + SASL + GSSAPI: https://www.cyrusimap.org/sasl/sasl/faqs/openldap-sasl-gssapi.html
+- Configuring GSSAPI and Cyrus SASL: https://web.mit.edu/darwin/src/modules/passwordserver_sasl/cyrus_sasl/doc/gssapi.html
+- PVV Kerberos docs: https://wiki.pvv.ntnu.no/wiki/Drift/Kerberos
+- OpenLDAP smbk5pwd source: https://git.openldap.org/nivanova/openldap/-/tree/master/contrib/slapd-modules/smbk5pwd
+- saslauthd(8): https://linux.die.net/man/8/saslauthd

hosts/dagali/configuration.nix

@@ -0,0 +1,51 @@
+
+{ config, pkgs, values, lib, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ../../base.nix
+    ../../misc/metrics-exporters.nix
+
+    ./services/heimdal.nix
+    #./services/openldap.nix
+    ./services/cyrus-sasl.nix
+  ];
+
+  # buskerud does not support efi?
+  # boot.loader.systemd-boot.enable = true;
+  # boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
+
+  # resolved messes up FQDN coming from nscd
+  services.resolved.enable = false;
+
+  networking.hostName = "dagali";
+  networking.domain = lib.mkForce "pvv.local";
+  networking.hosts = {
+    "129.241.210.185" = [ "dagali.pvv.local" ];
+  };
+  #networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  networking.nameservers = [ "129.241.0.200" "129.241.0.201" ];
+  networking.tempAddresses = "disabled";
+  networking.networkmanager.enable = true;
+
+  systemd.network.networks."ens18" = values.defaultNetworkConfig // {
+    matchConfig.Name = "ens18";
+    address = with values.hosts.dagali; [ (ipv4 + "/25") (ipv6 + "/64") ];
+  };
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    # TODO: consider adding to base.nix
+    nix-output-monitor
+  ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.05"; # Did you read the comment?
+}

hosts/dagali/hardware-configuration.nix

@@ -0,0 +1,33 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/4de345e2-be41-4d10-9b90-823b2c77e9b3";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/aa4b9a97-a7d8-4608-9f67-4ad084f1baf7"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/dagali/services/cyrus-sasl.nix

@@ -0,0 +1,21 @@
+{ config, ... }:
+let
+  cfg = config.services.saslauthd;
+in
+{
+  # TODO: This is seemingly required for openldap to authenticate
+  #       against kerberos, but I have no idea how to configure it as
+  #       such. Does it need a keytab? There's a binary "testsaslauthd"
+  #       that follows with `pkgs.cyrus_sasl` that might be useful.
+  services.saslauthd = {
+    enable = true;
+    mechanism = "kerberos5";
+    config = ''
+      mech_list: gs2-krb5 gssapi
+      keytab: /etc/krb5.keytab
+    '';
+  };
+
+  # TODO: maybe the upstream module should consider doing this?
+  environment.systemPackages = [ cfg.package ];
+}

hosts/dagali/services/heimdal.nix

@@ -0,0 +1,100 @@
+{ config, pkgs, lib, ... }:
+let
+  realm = "PVV.LOCAL";
+  cfg = config.security.krb5;
+in
+{
+  security.krb5 = {
+    enable = true;
+
+    # NOTE: This is required in order to build smbk5pwd, because of some nested includes.
+    #       We should open an issue upstream (heimdal, not nixpkgs), but this patch
+    #       will do for now.
+    package = pkgs.heimdal.overrideAttrs (prev: {
+      postInstall = prev.postInstall + ''
+        cp include/heim_threads.h $dev/include
+      '';
+    });
+
+    settings = {
+      realms.${realm} = {
+        kdc = [ "dagali.${lib.toLower realm}" ];
+        admin_server = "dagali.${lib.toLower realm}";
+        kpasswd_server = "dagali.${lib.toLower realm}";
+        default_domain = lib.toLower realm;
+        primary_kdc = "dagali.${lib.toLower realm}";
+      };
+
+      kadmin.default_keys = lib.concatStringsSep " " [
+        "aes256-cts-hmac-sha1-96:pw-salt"
+        "aes128-cts-hmac-sha1-96:pw-salt"
+      ];
+
+      libdefaults.default_etypes = lib.concatStringsSep " " [
+        "aes256-cts-hmac-sha1-96"
+        "aes128-cts-hmac-sha1-96"
+      ];
+
+      libdefaults = {
+        default_realm = realm;
+        dns_lookup_kdc = false;
+        dns_lookup_realm = false;
+      };
+
+      domain_realm = {
+        "${lib.toLower realm}" = realm;
+        ".${lib.toLower realm}" = realm;
+      };
+
+      logging = {
+        # kdc = "CONSOLE";
+        kdc = "SYSLOG:DEBUG:AUTH";
+        admin_server = "SYSLOG:DEBUG:AUTH";
+        default = "SYSLOG:DEBUG:AUTH";
+      };
+    };
+  };
+
+  services.kerberos_server = {
+    enable = true;
+    settings = {
+      realms.${realm} = {
+        dbname = "/var/lib/heimdal/heimdal";
+        mkey = "/var/lib/heimdal/m-key";
+        acl = [
+          {
+            principal = "kadmin/admin";
+            access = "all";
+          }
+          {
+            principal = "felixalb/admin";
+            access = "all";
+          }
+          {
+            principal = "oysteikt/admin";
+            access = "all";
+          }
+        ];
+      };
+      # kadmin.default_keys = lib.concatStringsSep " " [
+      #   "aes256-cts-hmac-sha1-96:pw-salt"
+      #   "aes128-cts-hmac-sha1-96:pw-salt"
+      # ];
+
+      # libdefaults.default_etypes = lib.concatStringsSep " " [
+      #   "aes256-cts-hmac-sha1-96"
+      #   "aes128-cts-hmac-sha1-96"
+      # ];
+
+      # password_quality.min_length = 8;
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 88 464 749 ];
+  networking.firewall.allowedUDPPorts = [ 88 464 749 ];
+
+  networking.hosts = {
+    "127.0.0.2" = lib.mkForce [ ];
+    "::1" = lib.mkForce [ ];
+  };
+}

hosts/dagali/services/openldap.nix

@@ -0,0 +1,121 @@
+{ config, pkgs, lib, ... }:
+{
+  services.openldap = let
+    dn = "dc=pvv,dc=ntnu,dc=no";
+    cfg = config.services.openldap;
+
+    heimdal = config.security.krb5.package;
+  in {
+    enable = true;
+
+    # NOTE: this is a custom build of openldap with support for
+    #       perl and kerberos.
+    package = pkgs.openldap.overrideAttrs (prev: {
+      # https://github.com/openldap/openldap/blob/master/configure
+      configureFlags = prev.configureFlags ++ [
+        # Connect to slapd via UNIX socket
+        "--enable-local"
+        # Cyrus SASL
+        "--enable-spasswd"
+        # Reverse hostname lookups
+        "--enable-rlookups"
+        # perl
+        "--enable-perl"
+      ];
+
+      buildInputs = prev.buildInputs ++ [
+        pkgs.perl
+	# NOTE: do not upstream this, it might not work with
+	#       MIT in the same way
+        heimdal
+      ];
+
+      extraContribModules = prev.extraContribModules ++ [
+        # https://git.openldap.org/openldap/openldap/-/tree/master/contrib/slapd-modules
+        "smbk5pwd"
+      ];
+    });
+
+    settings = {
+      attrs = {
+        olcLogLevel = [ "stats" "config" "args" ];
+
+        # olcAuthzRegexp = ''
+        #   gidNumber=.*\\\+uidNumber=0,cn=peercred,cn=external,cn=auth
+        #         "uid=heimdal,${dn2}"
+        # '';
+
+        # olcSaslSecProps = "minssf=0";
+      };
+
+      children = {
+        "cn=schema".includes = let
+          # NOTE: needed for smbk5pwd.so module
+          schemaToLdif = name: path: pkgs.runCommandNoCC name {
+            buildInputs = with pkgs; [ schema2ldif ];
+          } ''
+            schema2ldif "${path}" > $out
+          '';
+
+          hdb-ldif = schemaToLdif "hdb.ldif" "${heimdal.src}/lib/hdb/hdb.schema";
+          samba-ldif = schemaToLdif "samba.ldif" "${heimdal.src}/tests/ldap/samba.schema";
+        in [
+           "${cfg.package}/etc/schema/core.ldif"
+           "${cfg.package}/etc/schema/cosine.ldif"
+           "${cfg.package}/etc/schema/nis.ldif"
+           "${cfg.package}/etc/schema/inetorgperson.ldif"
+           "${hdb-ldif}"
+           "${samba-ldif}"
+        ];
+
+        # NOTE: installation of smbk5pwd.so module
+        #       https://git.openldap.org/openldap/openldap/-/tree/master/contrib/slapd-modules/smbk5pwd
+        "cn=module{0}".attrs = {
+          objectClass = [ "olcModuleList" ];
+          olcModuleLoad = [ "${cfg.package}/lib/modules/smbk5pwd.so" ];
+        };
+
+        # NOTE: activation of smbk5pwd.so module for {1}mdb
+        "olcOverlay={0}smbk5pwd,olcDatabase={1}mdb".attrs = {
+          objectClass = [ "olcOverlayConfig" "olcSmbK5PwdConfig" ];
+          olcOverlay = "{0}smbk5pwd";
+          olcSmbK5PwdEnable = [ "krb5" "samba" ];
+          olcSmbK5PwdMustChange = toString (60 * 60 * 24 * 10000);
+        };
+
+        "olcDatabase={1}mdb".attrs = {
+          objectClass = [ "olcDatabaseConfig" "olcMdbConfig" ];
+
+          olcDatabase = "{1}mdb";
+
+          olcSuffix = dn;
+
+          # TODO: PW is supposed to be a secret, but it's probably fine for testing
+          olcRootDN = "cn=users,${dn}";
+
+          # TODO: replace with proper secret
+          olcRootPW.path = pkgs.writeText "olcRootPW" "pass";
+
+          olcDbDirectory = "/var/lib/openldap/test-smbk5pwd-db";
+          olcDbIndex = "objectClass eq";
+
+          olcAccess = [
+            ''{0}to attrs=userPassword,shadowLastChange
+                by dn.exact=cn=users,${dn} write
+                by self write
+                by anonymous auth
+                by * none''
+
+            ''{1}to dn.base=""
+                by * read''
+
+            /* allow read on anything else */
+            # ''{2}to *
+            #     by cn=users,${dn} write by dn.exact=gidNumber=0+uidNumber=0+cn=peercred,cn=external write
+            #     by * read''
+          ];
+        };
+      };
+    };
+  };
+}

hosts/georg/configuration.nix

@@ -8,24 +8,11 @@
       (fp /modules/grzegorz.nix)
     ];
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "georg";
-
   systemd.network.networks."30-eno1" = values.defaultNetworkConfig // {
     matchConfig.Name = "eno1";
     address = with values.hosts.georg; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # List services that you want to enable:
-
-
-
   services.spotifyd = {
     enable = true;
     settings.global = {
@@ -41,15 +28,9 @@
     5353 # spotifyd is its own mDNS service wtf
   ];
 
+  fonts.fontconfig.enable = true;
 
-
+  # Don't change (even during upgrades) unless you know what you are doing.
-
+  # See https://search.nixos.org/options?show=system.stateVersion
-  # This value determines the NixOS release from which the default
+  system.stateVersion = "25.11";
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
-
 }

hosts/georg/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/gluttony/configuration.nix

@@ -0,0 +1,60 @@
+{
+  fp,
+  lib,
+  values,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    (fp /base)
+  ];
+
+  systemd.network.enable = lib.mkForce false;
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
+  boot.loader = {
+    systemd-boot.enable = false; # no uefi support on this device
+    grub.device = "/dev/sda";
+    grub.enable = true;
+  };
+  boot.tmp.cleanOnBoot = true;
+
+  networking =
+    let
+      hostConf = values.hosts.gluttony;
+    in
+    {
+      tempAddresses = "disabled";
+      useDHCP = false;
+
+      search = values.defaultNetworkConfig.domains;
+      nameservers = values.defaultNetworkConfig.dns;
+      defaultGateway.address = hostConf.ipv4_internal_gw;
+
+      interfaces."ens3" = {
+        ipv4.addresses = [
+          {
+            address = hostConf.ipv4;
+            prefixLength = 32;
+          }
+          {
+            address = hostConf.ipv4_internal;
+            prefixLength = 24;
+          }
+        ];
+        ipv6.addresses = [
+          {
+            address = hostConf.ipv6;
+            prefixLength = 64;
+          }
+        ];
+      };
+    };
+
+  services.qemuGuest.enable = true;
+
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
+}

hosts/gluttony/hardware-configuration.nix

@@ -0,0 +1,50 @@
+# Do not modify this file!  It was generated by 'nixos-generate-config'
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/mapper/pool-root";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/933A-3005";
+    fsType = "vfat";
+    options = [
+      "fmask=0077"
+      "dmask=0077"
+    ];
+  };
+
+  swapDevices = [
+    {
+      device = "/var/lib/swapfile";
+      size = 8 * 1024;
+    }
+  ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/ildkule/configuration.nix

@@ -10,11 +10,7 @@
       ./services/journald-remote.nix
     ];
 
-  sops.defaultSopsFile = fp /secrets/ildkule/ildkule.yaml;
+  boot.loader.systemd-boot.enable = false;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
   boot.loader.grub.device = "/dev/vda";
   boot.tmp.cleanOnBoot = true;
   zramSwap.enable = true;
@@ -24,7 +20,6 @@
   networking = let
     hostConf = values.hosts.ildkule;
   in {
-    hostName = "ildkule";
     tempAddresses = "disabled";
     useDHCP = lib.mkForce true;
 
@@ -43,13 +38,9 @@
     };
   };
 
-  # List packages installed in system profile
+  services.qemuGuest.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # No devices with SMART
-  services.smartd.enable = false;
-
-  system.stateVersion = "23.11"; # Did you read the comment?
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "23.11";
 }

hosts/ildkule/services/journald-remote.nix

@@ -46,7 +46,7 @@ in
   networking.firewall.allowedTCPPorts = [ cfg.port ];
 
   systemd.services."systemd-journal-remote" = {
-    socketConfig = {
+    serviceConfig = {
       LoadCredential = let
         inherit (config.security.acme.certs.${domainName}) directory;
       in [

hosts/ildkule/services/monitoring/dashboards/mysql.json

@@ -13,7 +13,7 @@
     ]
   },
   "description": "",
-  "editable": true,
+  "editable": false,
   "gnetId": 11323,
   "graphTooltip": 1,
   "id": 31,
@@ -3690,7 +3690,7 @@
         },
         "hide": 0,
         "includeAll": false,
-        "label": "Data Source",
+        "label": "Data source",
         "multi": false,
         "name": "datasource",
         "options": [],
@@ -3713,12 +3713,12 @@
         "definition": "label_values(mysql_up, job)",
         "hide": 0,
         "includeAll": true,
-        "label": "job",
+        "label": "Job",
         "multi": true,
         "name": "job",
         "options": [],
         "query": "label_values(mysql_up, job)",
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,
@@ -3742,12 +3742,12 @@
         "definition": "label_values(mysql_up, instance)",
         "hide": 0,
         "includeAll": true,
-        "label": "instance",
+        "label": "Instance",
         "multi": true,
         "name": "instance",
         "options": [],
         "query": "label_values(mysql_up, instance)",
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,

hosts/ildkule/services/monitoring/dashboards/postgres.json

@@ -328,7 +328,7 @@
         "rgba(50, 172, 45, 0.97)"
       ],
       "datasource": "${DS_PROMETHEUS}",
-      "format": "decbytes",
+      "format": "short",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -411,7 +411,7 @@
         "rgba(50, 172, 45, 0.97)"
       ],
       "datasource": "${DS_PROMETHEUS}",
-      "format": "decbytes",
+      "format": "short",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -1410,7 +1410,7 @@
       "tableColumn": "",
       "targets": [
         {
-          "expr": "pg_settings_seq_page_cost",
+          "expr": "pg_settings_seq_page_cost{instance=\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
           "refId": "A"
@@ -1872,7 +1872,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -1966,7 +1966,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2060,7 +2060,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2251,7 +2251,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2439,7 +2439,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2589,35 +2589,35 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_backend{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_backend_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_backend",
           "refId": "A"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_alloc{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_alloc_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_alloc",
           "refId": "B"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_backend_fsync{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_backend_fsync_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "backend_fsync",
           "refId": "C"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_checkpoint{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_checkpoint_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_checkpoint",
           "refId": "D"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_clean{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_clean_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_clean",
@@ -2886,14 +2886,14 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "irate(pg_stat_bgwriter_checkpoint_write_time{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_checkpoint_write_time_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "write_time - Total amount of time that has been spent in the portion of checkpoint processing where files are written to disk.",
           "refId": "B"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "sync_time - Total amount of time that has been spent in the portion of checkpoint processing where files are synchronized to disk.",

hosts/ildkule/services/monitoring/grafana.nix

@@ -47,13 +47,13 @@ in {
         {
           name = "Node Exporter Full";
           type = "file";
-          url = "https://grafana.com/api/dashboards/1860/revisions/29/download";
+          url = "https://grafana.com/api/dashboards/1860/revisions/42/download";
           options.path = dashboards/node-exporter-full.json;
         }
         {
           name = "Matrix Synapse";
           type = "file";
-          url = "https://raw.githubusercontent.com/matrix-org/synapse/develop/contrib/grafana/synapse.json";
+          url = "https://github.com/element-hq/synapse/raw/refs/heads/develop/contrib/grafana/synapse.json";
           options.path = dashboards/synapse.json;
         }
         {
@@ -65,15 +65,9 @@ in {
         {
           name = "Postgresql";
           type = "file";
-          url = "https://grafana.com/api/dashboards/9628/revisions/7/download";
+          url = "https://grafana.com/api/dashboards/9628/revisions/8/download";
           options.path = dashboards/postgres.json;
         }
-        {
-          name = "Go Processes (gogs)";
-          type = "file";
-          url = "https://grafana.com/api/dashboards/240/revisions/3/download";
-          options.path = dashboards/go-processes.json;
-        }
         {
           name = "Gitea Dashboard";
           type = "file";

hosts/ildkule/services/monitoring/prometheus/machines.nix

@@ -19,15 +19,18 @@ in {
       (mkHostScrapeConfig "bicep" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "brzeczyszczykiewicz" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "georg" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "gluttony" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "kommode" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-      (mkHostScrapeConfig "ustetind" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-      (mkHostScrapeConfig "wenche" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-
       (mkHostScrapeConfig "lupine-1" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-      # (mkHostScrapeConfig "lupine-2" [ defaultNodeExporterPort defaultSystemdExporterPort ])
+      (mkHostScrapeConfig "lupine-2" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "lupine-3" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "lupine-4" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "lupine-5" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "temmie" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "ustetind" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "wenche" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+
+      (mkHostScrapeConfig "skrott" [ defaultNodeExporterPort defaultSystemdExporterPort ])
 
       (mkHostScrapeConfig "hildring" [ defaultNodeExporterPort ])
       (mkHostScrapeConfig "isvegg" [ defaultNodeExporterPort ])

hosts/kommode/configuration.nix

@@ -4,21 +4,12 @@
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
     (fp /base)
+    ./disks.nix
 
     ./services/gitea
     ./services/nginx.nix
   ];
 
-  sops.defaultSopsFile = fp /secrets/kommode/kommode.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "kommode"; # Define your hostname.
-
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.kommode; [ (ipv4 + "/25") (ipv6 + "/64") ];
@@ -26,7 +17,9 @@
 
   services.btrfs.autoScrub.enable = true;
 
-  environment.systemPackages = with pkgs; [];
+  services.qemuGuest.enable = true;
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
   system.stateVersion = "24.11";
 }

hosts/kommode/disks.nix

@@ -0,0 +1,80 @@
+{ lib, ... }:
+{
+  disko.devices = {
+    disk = {
+      sda = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            root = {
+              name = "root";
+              label = "root";
+              start = "1MiB";
+              end = "-5G";
+              content = {
+                type = "btrfs";
+                extraArgs = [ "-f" ]; # Override existing partition
+                # subvolumes = let
+                #   makeSnapshottable = subvolPath: mountOptions: let
+                #     name = lib.replaceString "/" "-" subvolPath;
+                #   in {
+                #     "@${name}/active" = {
+                #       mountpoint = subvolPath;
+                #       inherit mountOptions;
+                #     };
+                #     "@${name}/snapshots" = {
+                #       mountpoint = "${subvolPath}/.snapshots";
+                #       inherit mountOptions;
+                #     };
+                #   };
+                # in {
+                #   "@" = { };
+                #   "@/swap" = {
+                #     mountpoint = "/.swapvol";
+                #     swap.swapfile.size = "4G";
+                #   };
+                #   "@/root" = {
+                #     mountpoint = "/";
+                #     mountOptions = [ "compress=zstd" "noatime" ];
+                #   };
+                # }
+                # // (makeSnapshottable "/home" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/nix" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/var/lib" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/var/log" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/var/cache" [ "compress=zstd" "noatime" ]);
+
+                # swap.swapfile.size = "4G";
+                mountpoint = "/";
+              };
+            };
+
+            swap = {
+              name = "swap";
+              label = "swap";
+              start = "-5G";
+              end = "-1G";
+              content.type = "swap";
+            };
+
+            ESP = {
+              name = "ESP";
+              label = "ESP";
+              start = "-1G";
+              end = "100%";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/kommode/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:
@@ -13,21 +13,6 @@
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/d421538f-a260-44ae-8e03-47cac369dcc1";
-      fsType = "btrfs";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/86CD-4C23";
-      fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
-    };
-
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/4cfbb41e-801f-40dd-8c58-0a0c1a6025f6"; }
-    ];
-
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
   # still possible to use this option, but it's recommended to use it in conjunction

hosts/kommode/services/gitea/customization/default.nix

@@ -10,6 +10,59 @@ in
     catppuccin = pkgs.gitea-theme-catppuccin;
   };
 
+  services.gitea.settings = {
+    ui = {
+      DEFAULT_THEME = "gitea-auto";
+      REACTIONS = lib.concatStringsSep "," [
+        "+1"
+        "-1"
+        "laugh"
+        "confused"
+        "heart"
+        "hooray"
+        "rocket"
+        "eyes"
+        "100"
+        "anger"
+        "astonished"
+        "no_good"
+        "ok_hand"
+        "pensive"
+        "pizza"
+        "point_up"
+        "sob"
+        "skull"
+        "upside_down_face"
+        "shrug"
+        "huh"
+        "bruh"
+        "okiedokie"
+        "grr"
+      ];
+
+      CUSTOM_EMOJIS = lib.concatStringsSep "," [
+        "bruh"
+        "grr"
+        "huh"
+        "ohyeah"
+      ];
+    };
+    "ui.meta" = {
+      AUTHOR = "Programvareverkstedet";
+      DESCRIPTION = "Bokstavelig talt programvareverkstedet";
+      KEYWORDS = lib.concatStringsSep "," [
+        "git"
+        "hackerspace"
+        "nix"
+        "open source"
+        "foss"
+        "organization"
+        "software"
+        "student"
+      ];
+    };
+  };
+
   systemd.services.gitea-customization = lib.mkIf cfg.enable {
     description = "Install extra customization in gitea's CUSTOM_DIR";
     wantedBy = [ "gitea.service" ];
@@ -57,6 +110,11 @@ in
       install -Dm444 ${extraLinksFooter} ${cfg.customDir}/templates/custom/extra_links_footer.tmpl
       install -Dm444 ${project-labels} ${cfg.customDir}/options/label/project-labels.yaml
 
+      install -Dm644 ${./emotes/bruh.png} ${cfg.customDir}/public/assets/img/emoji/bruh.png
+      install -Dm644 ${./emotes/huh.gif} ${cfg.customDir}/public/assets/img/emoji/huh.png
+      install -Dm644 ${./emotes/grr.png} ${cfg.customDir}/public/assets/img/emoji/grr.png
+      install -Dm644 ${./emotes/okiedokie.jpg} ${cfg.customDir}/public/assets/img/emoji/okiedokie.png
+
       "${lib.getExe pkgs.rsync}" -a "${customTemplates}/" ${cfg.customDir}/templates/
     '';
   };

hosts/kommode/services/gitea/default.nix

@@ -83,11 +83,24 @@ in {
         AUTO_WATCH_NEW_REPOS = false;
       };
       admin.DEFAULT_EMAIL_NOTIFICATIONS = "onmention";
-      session.COOKIE_SECURE = true;
       security = {
         SECRET_KEY = lib.mkForce "";
         SECRET_KEY_URI = "file:${config.sops.secrets."gitea/secret-key".path}";
       };
+      cache = {
+        ADAPTER = "redis";
+        HOST = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=0";
+        ITEM_TTL = "72h";
+      };
+      session = {
+        COOKIE_SECURE = true;
+        PROVIDER = "redis";
+        PROVIDER_CONFIG = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=1";
+      };
+      queue = {
+        TYPE = "redis";
+        CONN_STR = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=2";
+      };
       database.LOG_SQL = false;
       repository = {
         PREFERRED_LICENSES = lib.concatStringsSep "," [
@@ -128,31 +141,6 @@ in {
         AVATAR_MAX_ORIGIN_SIZE = 1024 * 1024 * 2;
       };
       actions.ENABLED = true;
-      ui = {
-        REACTIONS = lib.concatStringsSep "," [
-          "+1"
-          "-1"
-          "laugh"
-          "confused"
-          "heart"
-          "hooray"
-          "rocket"
-          "eyes"
-          "100"
-          "anger"
-          "astonished"
-          "no_good"
-          "ok_hand"
-          "pensive"
-          "pizza"
-          "point_up"
-          "sob"
-          "skull"
-          "upside_down_face"
-          "shrug"
-        ];
-      };
-      "ui.meta".DESCRIPTION = "Bokstavelig talt programvareverkstedet";
     };
 
     dump = {
@@ -164,12 +152,26 @@ in {
 
   environment.systemPackages = [ cfg.package ];
 
-  systemd.services.gitea.serviceConfig.CPUSchedulingPolicy = "batch";
+  systemd.services.gitea = lib.mkIf cfg.enable {
+    wants = [ "redis-gitea.service" ];
+    after = [ "redis-gitea.service" ];
 
-  systemd.services.gitea.serviceConfig.CacheDirectory = "gitea/repo-archive";
+    serviceConfig = {
-  systemd.services.gitea.serviceConfig.BindPaths = [
+      CPUSchedulingPolicy = "batch";
-    "%C/gitea/repo-archive:${cfg.stateDir}/data/repo-archive"
+      CacheDirectory = "gitea/repo-archive";
-  ];
+      BindPaths = [
+        "%C/gitea/repo-archive:${cfg.stateDir}/data/repo-archive"
+      ];
+    };
+  };
+
+  services.redis.servers.gitea = lib.mkIf cfg.enable {
+    enable = true;
+    user = config.services.gitea.user;
+    save = [ ];
+    openFirewall = false;
+    port = 5698;
+  };
 
   services.nginx.virtualHosts."${domain}" = {
     forceSSL = true;
@@ -195,6 +197,23 @@ in {
 
   networking.firewall.allowedTCPPorts = [ sshPort ];
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.dump.backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGpMVrOppyqYaDiAhqmAuOaRsubFvcQGBGyz+NHB6+0o gitea rsync backup";
+    };
+  };
+
   systemd.services.gitea-dump = {
     serviceConfig.ExecStart = let
       args = lib.cli.toGNUCommandLineShell { } {

hosts/kommode/services/gitea/web-secret-provider/default.nix

@@ -28,7 +28,7 @@ in
   users.users."gitea-web" = {
     group = "gitea-web";
     isSystemUser = true;
-    shell = pkgs.bash;
+    useDefaultShell = true;
   };
 
   sops.secrets."gitea/web-secret-provider/token" = {

hosts/lupine/configuration.nix

@@ -9,12 +9,6 @@
   ];
 
   sops.defaultSopsFile = fp /secrets/lupine/lupine.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
 
   systemd.network.networks."30-enp0s31f6" = values.defaultNetworkConfig // {
     matchConfig.Name = "enp0s31f6";
@@ -28,7 +22,7 @@
   # There are no smart devices
   services.smartd.enable = false;
 
-  # Do not change, even during upgrades.
+  # Don't change (even during upgrades) unless you know what you are doing.
   # See https://search.nixos.org/options?show=system.stateVersion
   system.stateVersion = "25.05";
 }

hosts/lupine/hardware-configuration/lupine-1.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/lupine/hardware-configuration/lupine-2.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/lupine/hardware-configuration/lupine-3.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/lupine/hardware-configuration/lupine-4.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/lupine/hardware-configuration/lupine-5.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/shark/configuration.nix

@@ -6,33 +6,14 @@
       (fp /base)
     ];
 
-  sops.defaultSopsFile = fp /secrets/shark/shark.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "shark"; # Define your hostname.
-
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.shark; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
+  services.qemuGuest.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # List services that you want to enable:
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
 }

hosts/shark/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/skrott/configuration.nix

@@ -1,35 +1,56 @@
-{ config, pkgs, lib, fp, ... }: {
+{ config, pkgs, lib, modulesPath, fp, values, ... }: {
   imports = [
-    # ./hardware-configuration.nix
+    (modulesPath + "/profiles/perlless.nix")
 
     (fp /base)
   ];
 
+  # Disable import of a bunch of tools we don't need from nixpkgs.
+  disabledModules = [ "profiles/base.nix" ];
+
+  sops.defaultSopsFile = fp /secrets/skrott/skrott.yaml;
+
   boot = {
     consoleLogLevel = 0;
     enableContainers = false;
     loader.grub.enable = false;
+    loader.systemd-boot.enable = false;
     kernelPackages = pkgs.linuxPackages;
   };
 
+  hardware = {
+    enableAllHardware = lib.mkForce false;
+    firmware = [ pkgs.raspberrypiWirelessFirmware ];
+  };
+
   # Now turn off a bunch of stuff lol
+  # TODO: can we reduce further?
+  # See also https://nixcademy.com/posts/minimizing-nixos-images/
   system.autoUpgrade.enable = lib.mkForce false;
   services.irqbalance.enable = lib.mkForce false;
   services.logrotate.enable = lib.mkForce false;
   services.nginx.enable = lib.mkForce false;
   services.postfix.enable = lib.mkForce false;
+  services.smartd.enable = lib.mkForce false;
+  services.udisks2.enable = lib.mkForce false;
+  services.thermald.enable = lib.mkForce false;
+  services.promtail.enable = lib.mkForce false;
+  # There aren't really that many firmware updates for rbpi3 anyway
+  services.fwupd.enable = lib.mkForce false;
 
-  # TODO: can we reduce further?
+  documentation.enable = lib.mkForce false;
 
-  system.stateVersion = "25.05";
+  environment.enableAllTerminfo = lib.mkForce false;
 
-  sops.defaultSopsFile = fp /secrets/skrott/skrott.yaml;
+  programs.neovim.enable = lib.mkForce false;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
+  programs.zsh.enable = lib.mkForce false;
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
+  programs.git.package = pkgs.gitMinimal;
-  sops.age.generateKey = true;
+
+  nix.registry = lib.mkForce { };
+  nix.nixPath = lib.mkForce [ ];
 
   sops.secrets = {
-    "dibbler/postgresql/url" = {
+    "dibbler/postgresql/password" = {
       owner = "dibbler";
       group = "dibbler";
     };
@@ -39,10 +60,16 @@
 
   networking = {
     hostName = "skrot";
+    defaultGateway = values.hosts.gateway;
+    defaultGateway6 = values.hosts.gateway6;
     interfaces.eth0 = {
       useDHCP = false;
       ipv4.addresses = [{
-        address = "129.241.210.235";
+        address = values.hosts.skrott.ipv4;
+        prefixLength = 25;
+      }];
+      ipv6.addresses = [{
+        address = values.hosts.skrott.ipv6;
         prefixLength = 25;
       }];
     };
@@ -56,18 +83,30 @@
 
     settings = {
       general.quit_allowed = false;
-      database.url = config.sops.secrets."dibbler/postgresql/url".path;
+      database = {
+        type = "postgresql";
+        postgresql = {
+          username = "pvv_vv";
+          dbname = "pvv_vv";
+          host = "postgres.pvv.ntnu.no";
+          password_file = config.sops.secrets."dibbler/postgresql/password".path;
+        };
+      };
     };
   };
 
   # https://github.com/NixOS/nixpkgs/issues/84105
-  boot.kernelParams = [
+  boot.kernelParams = lib.mkIf (!config.virtualisation.isVmVariant) [
     "console=ttyUSB0,9600"
     # "console=tty1" # Already part of the module
   ];
-  systemd.services."serial-getty@ttyUSB0" = {
+  systemd.services."serial-getty@ttyUSB0" = lib.mkIf (!config.virtualisation.isVmVariant) {
     enable = true;
     wantedBy = [ "getty.target" ]; # to start at boot
     serviceConfig.Restart = "always"; # restart when session is closed
   };
+
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
 }

hosts/temmie/configuration.nix

@@ -1,39 +1,24 @@
 { config, fp, pkgs, values, ... }:
 {
   imports = [
-      # Include the results of the hardware scan.
+    # Include the results of the hardware scan.
-      ./hardware-configuration.nix
+    ./hardware-configuration.nix
-      (fp /base)
+    (fp /base)
 
-      ./services/nfs-mounts.nix
+    ./services/nfs-mounts.nix
-    ];
+    ./services/userweb.nix
-
+  ];
-  # sops.defaultSopsFile = fp /secrets/shark/shark.yaml;
-  # sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  # sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  # sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "temmie"; # Define your hostname.
 
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.temmie; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
+  services.nginx.enable = false;
-  environment.systemPackages = with pkgs; [
-  ];
 
-  # List services that you want to enable:
+  services.qemuGuest.enable = true;
 
-  # This value determines the NixOS release from which the default
+  # Don't change (even during upgrades) unless you know what you are doing.
-  # settings for stateful data, like file locations and database versions
+  # See https://search.nixos.org/options?show=system.stateVersion
-  # on your system were taken. It‘s perfectly fine and recommended to leave
+  system.stateVersion = "25.11";
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "25.11"; # Did you read the comment?
 }

hosts/temmie/hardware-configuration.nix

@@ -1,4 +1,4 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# Do not modify this file!  It was generated by 'nixos-generate-config'
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:

hosts/temmie/services/nfs-mounts.nix

@@ -1,21 +1,57 @@
-{ pkgs, lib, ... }:
+{ lib, values, ... }:
+let
+  # See microbel:/etc/exports
+  letters = [ "a" "b" "c" "d" "h" "i" "j" "k" "l" "m" "z" ];
+in
 {
-  fileSystems = let
+  systemd.targets."pvv-homedirs" = {
-    # See microbel:/etc/exports
+    description = "PVV Homedir Partitions";
-    shorthandAreas = lib.listToAttrs (map
+  };
-      (l: lib.nameValuePair "/run/pvv-home-mounts/${l}" "homepvv${l}.pvv.ntnu.no:/export/home/pvv/${l}")
+
-      [ "a" "b" "c" "d"  "h" "i" "j" "k" "l" "m" "z" ]);
+  systemd.mounts = map (l: {
-  in { }
+    description = "PVV Homedir Partition ${l}";
-  //
+
-  (lib.mapAttrs (_: device: {
+    before = [ "remote-fs.target" ];
-    inherit device;
+    wantedBy = [ "multi-user.target" ];
-    fsType = "nfs";
+    requiredBy = [ "pvv-homedirs.target" ];
-    options = [
+
+    type = "nfs";
+    what = "homepvv${l}.pvv.ntnu.no:/export/home/pvv/${l}";
+    where = "/run/pvv-home-mounts/${l}";
+
+    options = lib.concatStringsSep "," [
       "nfsvers=3"
-      "noauto"
+
+      # NOTE: this is a bit unfortunate. The address above seems to resolve to IPv6 sometimes,
+      #       and it doesn't seem possible to specify proto=tcp,tcp6, meaning we have to tell
+      #       NFS which exact address to use here, despite it being specified in the `what` attr :\
       "proto=tcp"
-      "x-systemd.automount"
+      "addr=${values.hosts.microbel.ipv4}"
-      "x-systemd.idle-timeout=300"
+      "mountproto=tcp"
+      "mounthost=${values.hosts.microbel.ipv4}"
+      "port=2049"
+
+      # NOTE: this is yet more unfortunate. When enabling locking, it will sometimes complain about connection failed.
+      #       dmesg(1) reveals that it has something to do with registering the lockdv1 RPC service (errno: 111), not
+      #       quite sure how to fix it. Living life on dangerous mode for now.
+      "nolock"
+
+      # Don't wait on every read/write
+      "async"
+
+      # Always keep mounted
+      "noauto"
+
+      # We don't want to update access time constantly
+      "noatime"
+
+      # No SUID/SGID, no special devices
+      "nosuid"
+      "nodev"
+
+      # TODO: are there cgi scripts that modify stuff in peoples homedirs?
+      # "ro"
+      "rw"
     ];
-  }) shorthandAreas);
+  }) letters;
 }

hosts/temmie/services/userweb.nix

@@ -0,0 +1,344 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.httpd;
+
+  homeLetters = [ "a" "b" "c" "d" "h" "i" "j" "k" "l" "m" "z" ];
+
+  # https://nixos.org/manual/nixpkgs/stable/#ssec-php-user-guide-installing-with-extensions
+  phpEnv = pkgs.php.buildEnv {
+    extensions = { all, ... }: with all; [
+      imagick
+      opcache
+      protobuf
+    ];
+
+    extraConfig = ''
+      display_errors=0
+      post_max_size = 40M
+      upload_max_filesize = 40M
+    '';
+  };
+
+  perlEnv = pkgs.perl.withPackages (ps: with ps; [
+    pkgs.exiftool
+    pkgs.ikiwiki
+    pkgs.irssi
+    pkgs.nix.libs.nix-perl-bindings
+
+    AlgorithmDiff
+    AnyEvent
+    AnyEventI3
+    ArchiveZip
+    CGI
+    CPAN
+    CPANPLUS
+    DBDPg
+    DBDSQLite
+    DBI
+    EmailAddress
+    EmailSimple
+    Env
+    Git
+    HTMLMason
+    HTMLParser
+    HTMLTagset
+    HTTPDAV
+    HTTPDaemon
+    ImageMagick
+    JSON
+    LWP
+    MozillaCA
+    PathTiny
+    Switch
+    SysSyslog
+    TestPostgreSQL
+    TextPDF
+    TieFile
+    Tk
+    URI
+    XMLLibXML
+  ]);
+
+  # https://nixos.org/manual/nixpkgs/stable/#python.buildenv-function
+  pythonEnv = pkgs.python3.buildEnv.override {
+    extraLibs = with pkgs.python3Packages; [
+      legacy-cgi
+
+      matplotlib
+      requests
+    ];
+    ignoreCollisions = true;
+  };
+
+  # https://nixos.org/manual/nixpkgs/stable/#sec-building-environment
+  fhsEnv = pkgs.buildEnv {
+    name = "userweb-env";
+    paths = with pkgs; [
+      bash
+
+      perlEnv
+      pythonEnv
+
+      phpEnv
+    ]
+    ++ (with phpEnv.packages; [
+      # composer
+    ])
+    ++ [
+      acl
+      aspell
+      autoconf
+      autotrash
+      bazel
+      bintools
+      bison
+      bsd-finger
+      catdoc
+      ccache
+      clang
+      cmake
+      coreutils-full
+      curl
+      devcontainer
+      diffutils
+      emacs
+      # exiftags
+      exiftool
+      ffmpeg
+      file
+      findutils
+      gawk
+      gcc
+      glibc
+      gnugrep
+      gnumake
+      gnupg
+      gnuplot
+      gnused
+      gnutar
+      gzip
+      html-tidy
+      imagemagick
+      inetutils
+      iproute2
+      jhead
+      less
+      libgcc
+      lndir
+      mailutils
+      man # TODO: does this one want a mandb instance?
+      meson
+      more
+      mpc
+      mpi
+      mplayer
+      ninja
+      nix
+      openssh
+      openssl
+      patchelf
+      pkg-config
+      ppp
+      procmail
+      procps
+      qemu
+      rc
+      rhash
+      rsync
+      ruby # TODO: does this one want systemwide packages?
+      salt
+      sccache
+      sourceHighlight
+      spamassassin
+      strace
+      subversion
+      system-sendmail
+      systemdMinimal
+      texliveMedium
+      tmux
+      unzip
+      util-linux
+      valgrind
+      vim
+      wget
+      which
+      wine
+      xdg-utils
+      zip
+      zstd
+    ];
+
+    extraOutputsToInstall = [
+      "man"
+      "doc"
+    ];
+  };
+in
+{
+  services.httpd = {
+    enable = true;
+    adminAddr = "drift@pvv.ntnu.no";
+
+    # TODO: consider upstreaming systemd support
+    # TODO: mod_log_journald in v2.5
+    package = pkgs.apacheHttpd.overrideAttrs (prev: {
+      nativeBuildInputs = prev.nativeBuildInputs ++ [ pkgs.pkg-config ];
+      buildInputs = prev.buildInputs ++ [ pkgs.systemdLibs ];
+      configureFlags = prev.configureFlags ++ [ "--enable-systemd" ];
+    });
+
+    enablePHP = true;
+    phpPackage = phpEnv;
+
+    enablePerl = true;
+
+    # TODO: mod_log_journald in v2.5
+    extraModules = [
+      "systemd"
+      "userdir"
+      # TODO: I think the compilation steps of pkgs.apacheHttpdPackages.mod_perl might have some
+      #       incorrect or restrictive assumptions upstream, either nixpkgs or source
+      # {
+      #   name = "perl";
+      #   path = let
+      #     mod_perl = pkgs.apacheHttpdPackages.mod_perl.override {
+      #       apacheHttpd = cfg.package.out;
+      #       perl = perlEnv;
+      #     };
+      #   in "${mod_perl}/modules/mod_perl.so";
+      # }
+    ];
+
+    extraConfig = ''
+      TraceEnable on
+      LogLevel warn rewrite:trace3
+      ScriptLog ${cfg.logDir}/cgi.log
+    '';
+
+    # virtualHosts."userweb.pvv.ntnu.no" = {
+    virtualHosts."temmie.pvv.ntnu.no" = {
+      forceSSL = true;
+      enableACME = true;
+
+      extraConfig = ''
+        UserDir ${lib.concatMapStringsSep " " (l: "/home/pvv/${l}/*/web-docs") homeLetters}
+        UserDir disabled root
+        AddHandler cgi-script .cgi
+        DirectoryIndex index.html index.html.var index.php index.php3 index.cgi index.phtml index.shtml meg.html
+
+        <Directory "/home/pvv/?/*/web-docs">
+          Options MultiViews Indexes SymLinksIfOwnerMatch ExecCGI IncludesNoExec
+          AllowOverride All
+          Require all granted
+        </Directory>
+      '';
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [
+    80
+    443
+  ];
+
+  # socket activation comes in v2.5
+  # systemd.sockets.httpd = {
+  #   wantedBy = [ "sockets.target" ];
+  #   description = "HTTPD socket";
+  #   listenStreams = [
+  #     "0.0.0.0:80"
+  #     "0.0.0.0:443"
+  #   ];
+  # };
+
+  systemd.services.httpd = {
+    after = [ "pvv-homedirs.target" ];
+    requires = [ "pvv-homedirs.target" ];
+
+    environment = {
+      PATH = lib.mkForce "/usr/bin";
+    };
+
+    serviceConfig = {
+      Type = lib.mkForce "notify";
+
+      ExecStart = lib.mkForce "${cfg.package}/bin/httpd -D FOREGROUND -f /etc/httpd/httpd.conf -k start";
+      ExecReload = lib.mkForce "${cfg.package}/bin/httpd -f /etc/httpd/httpd.conf -k graceful";
+      ExecStop = lib.mkForce "";
+      KillMode = "mixed";
+
+      ConfigurationDirectory = [ "httpd" ];
+      LogsDirectory = [ "httpd" ];
+      LogsDirectoryMode = "0700";
+
+      CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
+      LockPersonality = true;
+      PrivateDevices = true;
+      PrivateTmp = true;
+      # NOTE: this removes CAP_NET_BIND_SERVICE...
+      # PrivateUsers = true;
+      ProtectClock = true;
+      ProtectControlGroups = true;
+      ProtectHome = "tmpfs";
+      ProtectKernelLogs = true;
+      ProtectKernelModules = true;
+      ProtectSystem = true;
+      RemoveIPC = true;
+      RestrictAddressFamilies = [
+        "AF_INET"
+        "AF_INET6"
+        "AF_UNIX"
+        "AF_NETLINK"
+      ];
+      RestrictNamespaces = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      SocketBindDeny = "any";
+      SocketBindAllow = [
+        "tcp:80"
+        "tcp:443"
+      ];
+      SystemCallArchitectures = "native";
+      SystemCallFilter = [
+         "@system-service"
+      ];
+      UMask = "0077";
+
+      RuntimeDirectory = [ "httpd/root-mnt" ];
+      RootDirectory = "/run/httpd/root-mnt";
+      MountAPIVFS = true;
+      BindReadOnlyPaths = [
+        builtins.storeDir
+        "/etc"
+        # NCSD socket
+        "/var/run"
+        "/var/lib/acme"
+
+        "${fhsEnv}/bin:/bin"
+        "${fhsEnv}/sbin:/sbin"
+        "${fhsEnv}/lib:/lib"
+        "${fhsEnv}/share:/share"
+      ] ++ (lib.mapCartesianProduct ({ parent, child }: "${fhsEnv}${child}:${parent}${child}") {
+        parent = [
+          "/local"
+          "/opt"
+          "/opt/local"
+          "/store"
+          "/store/gnu"
+          "/usr"
+          "/usr/local"
+        ];
+        child = [
+          "/bin"
+          "/sbin"
+          "/lib"
+          "/libexec"
+          "/include"
+          "/share"
+        ];
+      });
+      BindPaths = map (l: "/run/pvv-home-mounts/${l}:/home/pvv/${l}") homeLetters;
+    };
+  };
+
+  # TODO: create phpfpm pools with php environments that contain packages similar to those present on tom
+}

hosts/ustetind/configuration.nix

@@ -7,12 +7,7 @@
     ./services/gitea-runners.nix
   ];
 
-  sops.defaultSopsFile = fp /secrets/ustetind/ustetind.yaml;
+  boot.loader.systemd-boot.enable = false;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  networking.hostName = "ustetind";
 
   networking.useHostResolvConf = lib.mkForce false;
 
@@ -39,5 +34,7 @@
     };
   };
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
   system.stateVersion = "24.11";
 }

hosts/wenche/configuration.nix

@@ -14,15 +14,9 @@
     "armv7l-linux"
   ];
 
-  sops.defaultSopsFile = fp /secrets/wenche/wenche.yaml;
+  boot.loader.systemd-boot.enable = false;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
   boot.loader.grub.device = "/dev/sda";
 
-  networking.hostName = "wenche"; # Define your hostname.
-
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.wenche; [ (ipv4 + "/25") (ipv6 + "/64") ];
@@ -36,9 +30,9 @@
     package = config.boot.kernelPackages.nvidiaPackages.production;
   };
 
-  # List packages installed in system profile
+  services.qemuGuest.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
 
-  system.stateVersion = "24.11"; # Did you read the comment?
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "24.11";
 }

modules/gickup/update-linktree.nix

@@ -16,6 +16,8 @@ in
 
     # TODO: update symlink for one repo at a time (e.g. gickup-linktree@<instance>.service)
     systemd.services."gickup-linktree" = {
+      after = map ({ slug, ... }: "gickup@${slug}.service") (lib.attrValues cfg.instances);
+      wantedBy = [ "gickup.target" ];
       serviceConfig = {
         Type = "oneshot";
         ExecStart = let

modules/grzegorz.nix

@@ -37,9 +37,13 @@ in {
   services.nginx.enable = true;
   services.nginx.virtualHosts = {
     ${config.networking.fqdn} = {
+      # NOTE: this overrides the default config in base/services/nginx.nix
+      addSSL = false;
       forceSSL = true;
       enableACME = true;
+
       kTLS = true;
+
       serverAliases = [
         "${machine}.pvv.org"
       ];

modules/matrix-ooye.nix

@@ -181,6 +181,9 @@ in
           #NoNewPrivileges = true;
           #PrivateDevices = true;
           Restart = "on-failure";
+          RestartSec = "5s";
+          StartLimitIntervalSec = "5s";
+          StartLimitBurst = "5";
           DynamicUser = true;
         };
       };

modules/rsync-pull-targets.nix

@@ -0,0 +1,146 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.rsync-pull-targets;
+in
+{
+  options.services.rsync-pull-targets = {
+    enable = lib.mkEnableOption "";
+
+    rrsyncPackage = lib.mkPackageOption pkgs "rrsync" { };
+
+    locations = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.submodule ({ name, ... }@submoduleArgs: {
+        options = {
+          enable = lib.mkEnableOption "" // {
+            default = true;
+            example = false;
+          };
+
+          user = lib.mkOption {
+            type = lib.types.str;
+            description = "Which user to use as SSH login";
+            example = "root";
+          };
+
+          location = lib.mkOption {
+            type = lib.types.path;
+            default = name;
+            defaultText = lib.literalExpression "<name>";
+            example = "/path/to/rsyncable/item";
+          };
+
+          # TODO: handle autogeneration of keys
+          # autoGenerateSSHKeypair = lib.mkOption {
+          #   type = lib.types.bool;
+          #   default = config.publicKey == null;
+          #   defaultText = lib.literalExpression "config.services.rsync-pull-targets.<name>.publicKey != null";
+          #   example = true;
+          # };
+
+          publicKey = lib.mkOption {
+            type = lib.types.str;
+            # type = lib.types.nullOr lib.types.str;
+            # default = null;
+            example = "ssh-ed25519 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA comment";
+          };
+
+          rrsyncPackage = lib.mkPackageOption pkgs "rrsync" { } // {
+            default = cfg.rrsyncPackage;
+            defaultText = lib.literalExpression "config.services.rsync-pull-targets.rrsyncPackage";
+          };
+
+          enableRecommendedHardening = lib.mkEnableOption "a commonly used security profile for authorizedKeys attributes and rrsync args";
+
+          rrsyncArgs = {
+            ro = lib.mkEnableOption "" // {
+              description = "Allow only reading from the DIR. Implies -no-del and -no-lock.";
+            };
+            wo = lib.mkEnableOption "" // {
+              description = "Allow only writing to the DIR.";
+            };
+            munge = lib.mkEnableOption "" // {
+              description = "Enable rsync's --munge-links on the server side.";
+              # TODO: set a default?
+            };
+            no-del = lib.mkEnableOption "" // {
+              description = "Disable rsync's --delete* and --remove* options.";
+              default = submoduleArgs.config.enableRecommendedHardening;
+              defaultText = lib.literalExpression "config.services.rsync-pull-targets.<name>.enableRecommendedHardening";
+            };
+            no-lock = lib.mkEnableOption "" // {
+              description = "Avoid the single-run (per-user) lock check.";
+              default = submoduleArgs.config.enableRecommendedHardening;
+              defaultText = lib.literalExpression "config.services.rsync-pull-targets.<name>.enableRecommendedHardening";
+            };
+            no-overwrite = lib.mkEnableOption "" // {
+              description = "Prevent overwriting existing files by enforcing --ignore-existing";
+              default = submoduleArgs.config.enableRecommendedHardening;
+              defaultText = lib.literalExpression "config.services.rsync-pull-targets.<name>.enableRecommendedHardening";
+            };
+          };
+
+          authorizedKeysAttrs = lib.mkOption {
+            type = lib.types.listOf lib.types.str;
+            default = lib.optionals submoduleArgs.config.enableRecommendedHardening [
+              "restrict"
+              "no-agent-forwarding"
+              "no-port-forwarding"
+              "no-pty"
+              "no-X11-forwarding"
+            ];
+            defaultText = lib.literalExpression ''
+              lib.optionals config.services.rsync-pull-targets.<name>.enableRecommendedHardening [
+                "restrict"
+                "no-agent-forwarding"
+                "no-port-forwarding"
+                "no-pty"
+                "no-X11-forwarding"
+              ]
+            '';
+            example = [
+              "restrict"
+              "no-agent-forwarding"
+              "no-port-forwarding"
+              "no-pty"
+              "no-X11-forwarding"
+            ];
+          };
+        };
+      }));
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # assertions = lib.pipe cfg.locations [
+    #   (lib.filterAttrs (_: value: value.enable))
+      # TODO: assert that there are no duplicate (user, publicKey) pairs.
+      #       if there are then ssh won't know which command to provide and might provide a random one, not sure.
+      # (lib.mapAttrsToList (_: { user, location, publicKey, ... }: {
+      #   assertion =
+      #   message = "";
+      # })
+    # ];
+
+    services.openssh.enable = true;
+    users.users = lib.pipe cfg.locations [
+      (lib.filterAttrs (_: value: value.enable))
+
+      lib.attrValues
+
+      # Index locations by SSH user
+      (lib.foldl (acc: location: acc // {
+        ${location.user} = (acc.${location.user} or [ ]) ++ [ location ];
+      }) { })
+
+      (lib.mapAttrs (_name: locations: {
+        openssh.authorizedKeys.keys = map ({ user, location, rrsyncPackage, rrsyncArgs, authorizedKeysAttrs, publicKey, ... }: let
+          rrsyncArgString = lib.cli.toCommandLineShellGNU {
+            isLong = _: false;
+          } rrsyncArgs;
+          # TODO: handle " in location
+        in "command=\"${lib.getExe rrsyncPackage} ${rrsyncArgString} ${location}\",${lib.concatStringsSep "," authorizedKeysAttrs} ${publicKey}"
+        ) locations;
+      }))
+    ];
+  };
+}

packages/mediawiki-extensions/default.nix

@@ -33,63 +33,63 @@ in
 lib.mergeAttrsList [
   (mw-ext {
     name = "CodeEditor";
-    commit = "6e5b06e8cf2d040c0abb53ac3735f9f3c96a7a4f";
+    commit = "83e1d0c13f34746f0d7049e38b00e9ab0a47c23f";
-    hash = "sha256-Jee+Ws9REUohywhbuemixXKaTRc54+cIlyUNDCyYcEM=";
+    hash = "sha256-qH9fSQZGA+z6tBSh1DaTKLcujqA6K/vQmZML9w5X8mU=";
   })
   (mw-ext {
     name = "CodeMirror";
-    commit = "da9c5d4f03e6425f6f2cf68b75d21311e0f7e77e";
+    commit = "af2b08b9ad2b89a64b2626cf80b026c5b45e9922";
-    hash = "sha256-aL+v9xeqKHGmQVUWVczh54BkReu+fP49PT1NP7eTC6k=";
+    hash = "sha256-CxXPwCKUlF9Tg4JhwLaKQyvt43owq75jCugVtb3VX+I=";
   })
   (mw-ext {
     name = "DeleteBatch";
-    commit = "122072bbfb4eab96ed8c1451a3e74b5557054c58";
+    commit = "3d6f2fd0e3efdae1087dd0cc8b1f96fe0edf734f";
-    hash = "sha256-L6AXoyFJEZoAQpLO6knJvYtQ6JJPMtaa+WhpnwbJeNU=";
+    hash = "sha256-iD9EjDIW7AGpZan74SIRcr54dV8W7xMKIDjatjdVkKs=";
   })
   (mw-ext {
     name = "PluggableAuth";
-    commit = "5caf605b9dfdd482cb439d1ba2000cba37f8b018";
+    commit = "85e96acd1ac0ebcdaa29c20eae721767a938f426";
-    hash = "sha256-TYJqR9ZvaWJ7i1t0XfgUS05qqqCgxAH8tRTklz/Bmlg=";
+    hash = "sha256-bMVhrg8FsfWhXF605Cj5TgI0A6Jy/MIQ5aaUcLQQ0Ss=";
   })
   (mw-ext {
     name = "Popups";
-    commit = "7ed940a09f83f869cbc0bc20f3ca92f85b534951";
+    commit = "410e2343c32a7b18dcdc2bbd995b0bfdf3bf5f37";
-    hash = "sha256-pcDPcu4kSvMHfSOuShrod694TKI9Oo3AEpMP9DXp9oY=";
+    hash = "sha256-u2AlR75x54rCpiK9Mz00D9odJCn8fmi6DRU4QKmKqSc=";
   })
   (mw-ext {
     name = "Scribunto";
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+    commit = "904f323f343dba5ff6a6cdd143c4a8ef5b7d2c55";
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   (mw-ext {
     name = "SimpleSAMLphp";
     kebab-name = "simple-saml-php";
-    commit = "d41b4efd3cc44ca3f9f12e35385fc64337873c2a";
+    commit = "a2f77374713473d594e368de24539aebcc1a800a";
-    hash = "sha256-wfzXtsEEEjQlW5QE4Rf8pasAW/KSJsLkrez13baxeqA=";
+    hash = "sha256-5+t3VQFKcrIffDNPJ4RWBIWS6K1gTOcEleYWmM6xWms=";
   })
   (mw-ext {
     name = "TemplateData";
-    commit = "fd7cf4d95a70ef564130266f2a6b18f33a2a2ff9";
+    commit = "76a6a04bd13a606923847ba68750b5d98372cacd";
-    hash = "sha256-5OhDPFhIi55Eh5+ovMP1QTjNBb9Sm/3vyArNCApAgSw=";
+    hash = "sha256-X2+U5PMqzkSljw2ypIvJUSaPDaonTkQx89OgKzf5scw=";
   })
   (mw-ext {
     name = "TemplateStyles";
-    commit = "0f7b94a0b094edee1c2a9063a3c42a1bdc0282d9";
+    commit = "7de60a8da6576d7930f293d19ef83529abf52704";
-    hash = "sha256-R406FgNcIip9St1hurtZoPPykRQXBrkJRKA9hapG81I=";
+    hash = "sha256-iPmFDoO5V4964CVyd1mBSQcNlW34odbvpm2CfDBlPBU=";
   })
   (mw-ext {
     name = "UserMerge";
-    commit = "d1917817dd287e7d883e879459d2d2d7bc6966f2";
+    commit = "71eb53ff4289ac4efaa31685ab8b6483c165a584";
-    hash = "sha256-la3/AQ38DMsrZ2f24T/z3yKzIrbyi3w6FIB5YfxGK9U=";
+    hash = "sha256-OfKSEPgctfr659oh5jf99T0Rzqn+60JhNaZq+2gfubk=";
   })
   (mw-ext {
     name = "VisualEditor";
-    commit = "032364cfdff33818e6ae0dfa251fe3973b0ae4f3";
+    commit = "a6a63f53605c4d596c3df1dcc2583ffd3eb8d929";
-    hash = "sha256-AQDdq9r6rSo8h4u1ERonH14/1i1BgLGdzANEiQ065PU=";
+    hash = "sha256-4d8picO66uzKoxh1TdyvKLHebc6ZL7N2DdXLV2vgBL4=";
   })
   (mw-ext {
     name = "WikiEditor";
-    commit = "cb9f7e06a9c59b6d3b31c653e5886b7f53583d01";
+    commit = "0a5719bb95326123dd0fee1f88658358321ed7be";
-    hash = "sha256-UWi3Ac+LCOLliLkXnS8YL0rD/HguuPH5MseqOm0z7s4=";
+    hash = "sha256-eQMyjhdm1E6TkktIHad1NMeMo8QNoO8z4A05FYOMCwQ=";
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 ]