Add host vm

hosts/default.nix

@@ -29,4 +29,7 @@ in
       hardware.framework-16-7040-amd
     ];
   };
+  vm = {
+    system = "x86_64-linux";
+  };
 }

hosts/vm/configuration.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    htop
+  ];
+
+  boot = {
+    loader.grub.devices = [ "/dev/vda" ];
+    initrd = {
+      enable = true;
+      systemd.enable = true;
+    };
+  };
+
+  fileSystems."/" = {
+    fsType = "tmpfs";
+    options = [ "mode=0755" ];
+  };
+
+  system.stateVersion = "25.05";
+}