Update

iso/gpu.nix

@@ -25,14 +25,28 @@
   virtualisation.vmware.guest.enable = pkgs.stdenv.hostPlatform.isx86;
   virtualisation.hypervGuest.enable = true;
   services.xe-guest-utilities.enable = pkgs.stdenv.hostPlatform.isx86;
-  virtualisation.virtualbox.guest.enable = true;
 
   # Enable plymouth
   boot.plymouth.enable = true;
 
   environment.defaultPackages = with pkgs; [
     weston
   ];
+
+  services.xserver.displayManager.gdm = {
+    enable = true;
+    # autoSuspend makes the machine automatically suspend after inactivity.
+    # It's possible someone could/try to ssh'd into the machine and obviously
+    # have issues because it's inactive.
+    # See:
+    # * https://github.com/NixOS/nixpkgs/pull/63790
+    # * https://gitlab.gnome.org/GNOME/gnome-control-center/issues/22
+    autoSuspend = false;
+  };
+  services.displayManager.autoLogin = {
+    enable = true;
+    user = "nixos";
+  };
   hardware.graphics = {
     enable = true;
     extraPackages = with pkgs; [