diff --git a/mastus/vmtest.nix b/mastus/vmtest.nix
new file mode 100644
index 0000000..cd5e77f
--- /dev/null
+++ b/mastus/vmtest.nix
@@ -0,0 +1,13 @@
+let
+
+  configuration = { config, pkgs, ... }: {
+    imports = [ ./configuration.nix ];
+
+    users.extraUsers.gebner.password = "";
+    users.users.root.password = "";
+  };
+
+  nixos = import <nixpkgs/nixos> { configuration = configuration; };
+
+in
+  nixos.vm