try out i3 config from: https://github.com/jifuwater/Cattendeavou

systems/pc/configuration.nix

@@ -67,6 +67,7 @@
       obs.enable = true;
       openrgb.enable = true;
       plasma.enable = true;
+      i3.enable = true;
       #gnome.enable = true;
       #cosmic.enable = true;
       shared.enable = true;

systems/vm/configuration.nix

@@ -1,5 +1,6 @@
-{ pkgs, config, ... }: {
+{ pkgs, config, lib, ... }: {
 
+  imports = [ ./vm-common.nix ];
   age.identityPaths = [ /home/kopatz/.ssh/id_rsa ];
   mainUser.layout = "de";
   mainUser.variant = "us";
@@ -15,25 +16,13 @@
       ld.enable = true;
       settings.enable = true;
     };
-    services = {
-      #adam-site.enable = true;
-      kop-fileshare = { 
-        enable = true;
-        basePath = "/stash";
-      };
+    graphical = {
+      i3.enable = true;
     };
-    graphical = { lxqt.enable = true; };
   };
+  networking.networkmanager.enable = true;
+
+
+  environment.systemPackages = with pkgs; [ firefox ];
 
-  environment.systemPackages = [ pkgs.firefox ];
-  services.nginx = {
-    enable = true;
-    virtualHosts = {
-      "localhost" = {
-        forceSSL = false;
-        enableACME = false;
-        locations."/stash".proxyPass = "http://127.0.0.1:7777";
-      };
-    };
-  };
 }

systems/vm/vm-common.nix

@@ -0,0 +1,22 @@
+{ pkgs, lib, ... }: {
+  services.xserver = {
+    enable = true;
+    displayManager = {
+      autoLogin.enable = true;
+      autoLogin.user = "vm";
+    };
+
+    resolutions = lib.mkOverride 9 ([ ] ++ [{
+      x = 1680;
+      y = 1050;
+    }]);
+  };
+
+  virtualisation.vmVariant = {
+    virtualisation = {
+      memorySize = 8192;
+      cores = 8;
+      graphics = true; # Boot the vm in a window.
+    };
+  };
+}