adding nixosvm

flake.nix

@@ -36,6 +36,15 @@
             inputs.home-manager.nixosModules.default
           ];
         };
+        nixos = nixpkgs.lib.nixosSystem {
+          specialArgs = { inherit inputs; };
+          system = "x86_64-linux";
+          modules = [
+            ./hosts/nixos/hardware-configuration.nix
+            ./configuration.nix
+            inputs.home-manager.nixosModules.default
+          ];
+        };
       };
     };
 }

hosts/nixos/hardware-configuration.nix

@@ -0,0 +1,30 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [ ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "ohci_pci" "ehci_pci" "ahci" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/439bb7c9-9b00-4899-944b-d0606f4c90db";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  virtualisation.virtualbox.guest.enable = true;
+}