Add base system config

flake.nix

@@ -13,7 +13,8 @@
     in
     {
       nixosConfigurations = {
-        "nix-test" = utils.mkSystem ./systems/nix-test.nix;
+        "base" = utils.mkSystem [ ];
+        "nix-test" = utils.mkSystem [ ./systems/nix-test.nix ];
       };
     };
 }

systems/base.nix

@@ -1,14 +1,70 @@
-{ ... }:
 {
-  nix.settings = {
-    # Enable flakes and new 'nix' command
-    experimental-features = "nix-command flakes";
-    # Deduplicate and optimize nix store
-    auto-optimise-store = true;
-  };
-
-  services.openssh.enable = true;
+  modulesPath,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
 
   time.timeZone = "Europe/Amsterdam";
   i18n.defaultLocale = "en_US.UTF-8";
+
+  config = {
+    #Provide a default hostname
+    networking.hostName = lib.mkDefault "base";
+
+    # Enable QEMU Guest for Proxmox
+    services.qemuGuest.enable = lib.mkDefault true;
+
+    # Use the boot drive for grub
+    boot.loader.grub.enable = lib.mkDefault true;
+    boot.loader.grub.devices = [ "nodev" ];
+
+    boot.growPartition = lib.mkDefault true;
+
+    # Allow remote updates with flakes and non-root users
+    nix.settings.trusted-users = [
+      "root"
+      "@wheel"
+    ];
+    nix.settings.experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+
+    # Enable mDNS for `hostname.local` addresses
+    services.avahi.enable = true;
+    services.avahi.nssmdns = true;
+    services.avahi.publish = {
+      enable = true;
+      addresses = true;
+    };
+
+    # Some sane packages we need on every system
+    environment.systemPackages = with pkgs; [
+      vim
+      git
+    ];
+
+    # Don't ask for passwords
+    security.sudo.wheelNeedsPassword = false;
+
+    # Enable ssh
+    services.openssh = {
+      enable = true;
+      settings.PasswordAuthentication = false;
+      settings.KbdInteractiveAuthentication = false;
+    };
+    programs.ssh.startAgent = true;
+
+    # Default filesystem
+    fileSystems."/" = lib.mkDefault {
+      device = "/dev/disk/by-label/nixos";
+      autoResize = true;
+      fsType = "ext4";
+    };
+
+    system.stateVersion = lib.mkDefault "24.05";
+  };
 }

utils.nix

@@ -6,15 +6,12 @@
 }:
 {
   mkSystem =
-    config:
+    configs:
     nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
       specialArgs = {
         inherit inputs outputs;
       };
-      modules = [
-        ./systems/base.nix
-        config
-      ];
+      modules = [ ./systems/base.nix ] ++ configs;
     };
 }