added stuff

nyx/hosts/gaea/default.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) optionalString;
+in {
+  imports = [
+    ./system
+  ];
+
+  services.getty.helpLine =
+    ''
+      The "nixos" and "root" accounts have empty passwords.
+      An ssh daemon is running. You then must set a password
+      for either "root" or "nixos" with `passwd` or add an ssh key
+      to /home/nixos/.ssh/authorized_keys be able to login.
+      If you need a wireless connection, you may use networkmanager
+      by invoking `nmcli` or `nmtui`, the ncurses interface.
+    ''
+    + optionalString config.services.xserver.enable ''
+      Type `sudo systemctl start display-manager' to
+      start the graphical user interface.
+    '';
+
+  # since we don't inherit the core module, this needs to be set here manually
+  # otherwise we'll see the stateVersion error - which doesn't actually matter inside the ISO
+  # but still annoying and slows down nix flake check
+  system.stateVersion = "23.11";
+}