{
  ...
}:
{
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "omega-relay"; # Define your hostname.
  networking.networkmanager.enable = true;
  programs.nix-ld.enable = true;

  addons.desktop.hyprland.enable = false;
  addons.desktop.xfce.enable = true;
  addons.virtualisation.guest = true;
  virtualisation.vmVariant = {
    # following configuration is added only when building VM with build-vm
    virtualisation = {
      memorySize = 2048; # Use 2048MiB memory.
      cores = 3;
      graphics = true;
    };
  };

  fileSystems."/" = {
    device = "none";
    fsType = "tmpfs";
    options = [
      "defaults"
      "size=2G"
      "mode=755"
    ];
  };
}