{ config, pkgs, lib, ... }: { services.smartd = { enable = lib.mkDefault true; notifications = { mail = { enable = true; sender = "root@pvv.ntnu.no"; recipient = "root@pvv.ntnu.no"; }; wall.enable = false; }; }; environment.systemPackages = lib.optionals config.services.smartd.enable (with pkgs; [ smartmontools ]); }