nixos-config/modules/system/services.nix

{
  pkgs,
  ...
}:
{
  services = {
    xserver = {
      # Enable the X11 windowing system.
      # You can disable this if you're only using the Wayland session.
      enable = true;

      # Configure keymap in X11
      xkb = {
        layout = "us";
        variant = "";
      };

    };

    # Enable touchpad support (enabled default in most desktopManager).
    libinput.enable = true;

    # Enable CUPS to print documents.
    printing = {
      enable = true;
      drivers = with pkgs; [
        gutenprint
        cnijfilter2
      ];
    };

    avahi = {
      enable = true;
      nssmdns4 = true;
      openFirewall = true;
    };

    # Enable sound with pipewire.
    pulseaudio.enable = false;
    pipewire = {
      enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      pulse.enable = true;
      # If you want to use JACK applications, uncomment this
      # jack.enable = true;

      # use the example session manager (no others are packaged yet so this is enabled by default,
      # no need to redefine it in your config for now)
      # media-session.enable = true;
    };

    upower.enable = true;

    # Enable the OpenSSH daemon. (Look into Fail2Ban in the future)
    openssh = {
      enable = true;
      settings = {
        PasswordAuthentication = false;
        PermitRootLogin = "prohibit-password";
        AllowUsers = [ "eclypse" ];
      };
    };
  };

  hardware = {
    bluetooth = {
      enable = true;
      powerOnBoot = true;
    };
    sane = {
      enable = true;
    };
  };
}