{
  pkgs,
  lib,
  modulesPath,
  ...
}: {
  imports = [
    # Enables QEMU Guest Agent support in the VM
    (modulesPath + "/profiles/qemu-guest.nix")
  ];

  services.qemuGuest.enable = lib.mkDefault true;

  boot.loader.grub.enable = lib.mkDefault true;
  boot.loader.grub.devices = ["nodev"];

  boot.growPartition = lib.mkDefault true;

  boot.tmp.cleanOnBoot = true;

  fileSystems."/" = lib.mkDefault {
    device = "/dev/disk/by-label/nixos";
    autoResize = true; # grow on first boot
    fsType = "ext4";
  };

  nix = {
    settings.experimental-features = ["nix-command" "flakes"];
    gc.automatic = true;
    gc.options = "--delete-older-than 15d";
    gc.dates = "daily";
    optimise.automatic = true;
    settings = {
      auto-optimise-store = true;
      allowed-users = ["@wheel"];
      trusted-users = ["root" "@wheel"];
    };
    extraOptions = ''
      keep-outputs = true
      keep-derivations = true
    '';
  };

  security.sudo.wheelNeedsPassword = false;

  users.users.plasmagoat = {
    isNormalUser = true;
    description = "plasmagoat";
    extraGroups = ["wheel" "docker"];
    # shell = pkgs.zsh;
    # shell = pkgs.fish;
  };

  services.openssh.enable = true;
  services.openssh.openFirewall = true;
  services.openssh.settings.PasswordAuthentication = false;
  services.openssh.settings.PermitRootLogin = "prohibit-password";
  services.openssh.settings.KbdInteractiveAuthentication = false;

  services.sshguard.enable = true;

  programs.ssh.startAgent = true;

  users.users.plasmagoat.openssh.authorizedKeys.keys = [
    "ssh-rsa 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 asol\dbs@ALPHA-DBS-P14sG2"
    "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC+U3DWOrklcA8n8wdbLBGyli5LsJI3dpL2Zod8mx8eOdC4H127ZT1hzuk2uSmkic4c73BykPyQv8rcqwaRGW94xdMRanKmHYxnbHXo5FBiGrCkNlNNZuahthAGO49c6sUhJMq0eLhYOoFWjtf15sr5Zu7Ug2YTUL3HXB1o9PZ3c9sqYHo2rC/Il1x2j3jNAMKST/qUZYySvdfNJEeQhMbQcdoKJsShcE3oGRL6DFBoV/mjJAJ+wuDhGLDnqi79nQjYfbYja1xKcrKX+D3MfkFxFl6ZIzomR1t75AnZ+09oaWcv1J7ehZ3h9PpDBFNXvzyLwDBMNS+UYcH6SyFjkUbF David@NZXT"
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICUP7m8jZJiclZGfSje8CeBYFhX10SrdtjYziuChmj1X plasmagoat@macbook-air"
  ];

  users.users.root.openssh.authorizedKeys.keys = [
    "ssh-rsa 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 asol\\dbs@ALPHA-DBS-P14sG2"
    "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC+U3DWOrklcA8n8wdbLBGyli5LsJI3dpL2Zod8mx8eOdC4H127ZT1hzuk2uSmkic4c73BykPyQv8rcqwaRGW94xdMRanKmHYxnbHXo5FBiGrCkNlNNZuahthAGO49c6sUhJMq0eLhYOoFWjtf15sr5Zu7Ug2YTUL3HXB1o9PZ3c9sqYHo2rC/Il1x2j3jNAMKST/qUZYySvdfNJEeQhMbQcdoKJsShcE3oGRL6DFBoV/mjJAJ+wuDhGLDnqi79nQjYfbYja1xKcrKX+D3MfkFxFl6ZIzomR1t75AnZ+09oaWcv1J7ehZ3h9PpDBFNXvzyLwDBMNS+UYcH6SyFjkUbF David@NZXT"
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICUP7m8jZJiclZGfSje8CeBYFhX10SrdtjYziuChmj1X plasmagoat@macbook-air"
  ];

  environment.systemPackages = with pkgs; [
    dig
    nmap
    traceroute
    vim
    git
    curl
    python3
  ];

  time.timeZone = "Europe/Copenhagen";

  console.keyMap = "dk-latin1";
}