diff --git a/.gitignore b/.gitignore
index c4a847d..eda69f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 /result
+/recover-efi.img
+/recover-efi-bios.img
diff --git a/flake.lock b/flake.lock
index ec089a5..67b03df 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,54 +1,51 @@
 {
   "nodes": {
-    "flake-utils": {
+    "generators": {
       "inputs": {
-        "systems": "systems"
+        "nixlib": "nixlib",
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1685518550,
-        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
+        "lastModified": 1687183443,
+        "narHash": "sha256-foX4pkph2AwUdJL3JURa7IHog+YRIheZ54vwHwxqwhU=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "09140f23f5ffce828db4ef040070bdd9595b1f3a",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
         "type": "github"
       }
     },
-    "microvm": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      },
+    "nixlib": {
       "locked": {
-        "lastModified": 1686962046,
-        "narHash": "sha256-QE5I3/ONKubR2lvLwUbsS4OaOPc9gTburw9OBcYfgdw=",
-        "owner": "astro",
-        "repo": "microvm.nix",
-        "rev": "484e6e2209a0ead8ea43a9a79b193026026becfc",
+        "lastModified": 1687049841,
+        "narHash": "sha256-FBNZQfWtA7bb/rwk92mfiWc85x4hXta2OAouDqO5W8w=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "908af6d1fa3643c5818ea45aa92b21d6385fbbe5",
         "type": "github"
       },
       "original": {
-        "owner": "astro",
-        "repo": "microvm.nix",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1686412476,
-        "narHash": "sha256-inl9SVk6o5h75XKC79qrDCAobTD1Jxh6kVYTZKHzewA=",
-        "owner": "nixos",
+        "lastModified": 1687103638,
+        "narHash": "sha256-dwy/TK6Db5W7ivcgmcxUykhFwodIg0jrRzOFt7H5NUc=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "21951114383770f96ae528d0ae68824557768e81",
+        "rev": "91430887645a0953568da2f3e9a3a3bb0a0378ac",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -71,24 +68,9 @@
     },
     "root": {
       "inputs": {
-        "microvm": "microvm",
+        "generators": "generators",
         "nixpkgs": "nixpkgs_2"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 2cdb779..9fcfd20 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,44 +1,54 @@
 {
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    microvm.url = "github:astro/microvm.nix";
+    generators.url = "github:nix-community/nixos-generators";
   };
 
   outputs = { self, ... }@inputs:
     let
       # TODO add cross-platform build
-      system = "x86_64-linux";
+      platform = "x86_64";
+      os = "linux";
+      system = "${platform}-${os}";
       pkgs = import inputs.nixpkgs { inherit system; };
-      nixosConfigurations = self.packages.${system};
-      networking = import ./networking.nix;
-      users = import ./users.nix;
       mkSystem = options:
-        let 
+        let
           inherit (inputs.nixpkgs.lib) nixosSystem;
-          inherit (builtins) removeAttrs;
-          unmakeOverridable = r: removeAttrs r [
-            "override"
-            "overrideDerivation"
-          ];
-        in nixosSystem (unmakeOverridable options);
-      systemOptions =
-          let
-            inherit (pkgs.lib) makeOverridable; 
-            inherit (pkgs.lib.trivial) id;
-          in pkgs.lib.makeOverridable id 
-          {
-              inherit system;
-              modules =
-                [
-                  networking
-                  users
-                ];
-          };
-      recover = mkSystem systemOptions;
-      recover-vm = mkSystem systemOptions.override {
-        modules = systemOptions.modules ++ [
-          inputs.microvm.nixosModules.microvm
-        ];
+          inherit (inputs.generators) nixosGenerate;
+          inherit (builtins) hasAttr;
+        in
+        if hasAttr "format" options then
+          nixosGenerate options
+        else
+          nixosSystem options;
+      recover = mkSystem {
+        inherit system;
+        modules = [ ./recover.nix ];
+      };
+
+      recover-efi = mkSystem {
+        inherit system;
+        modules = [ ./recover.nix ];
+        format = "raw-efi";
+      };
+
+      # TODO: find a faster way to run recover in devShell
+      recover-vm = pkgs.writeShellApplication {
+        name = "recover-vm";
+        text = ''
+          IMG=recover-efi.img
+          BIOS=recover-efi-bios.img
+          cp -ui --reflink=auto ${pkgs.OVMF.fd}/FV/OVMF.fd "$BIOS"
+          chmod a+w "$BIOS"
+          cp -ui --reflink=auto ${recover-efi}/nixos.img "$IMG"
+          chmod a+w "$IMG"
+          qemu-system-${platform} \
+            -nographic \
+            -bios "$BIOS" \
+            -drive file="$IMG",format=raw \
+            -m 2G
+        '';
+        runtimeInputs = with pkgs; [ tree rsync qemu ];
       };
     in
     {
@@ -47,20 +57,15 @@
       };
 
       packages.${system} = {
-        inherit recover;
+        inherit recover-efi;
       };
 
       devShells.${system}.default =
         pkgs.mkShell
           {
             packages =
-              let
-                inherit (recover-vm.config.microvm.runner) qemu;
-              in
-              with pkgs;
               [
-                # adds microvm-*
-                qemu
+                recover-vm
               ];
 
           };
diff --git a/networking.nix b/networking.nix
deleted file mode 100644
index c9f3eb8..0000000
--- a/networking.nix
+++ /dev/null
@@ -1 +0,0 @@
-{ networking.hostName = "klarkc-os"; }
diff --git a/recover.nix b/recover.nix
new file mode 100644
index 0000000..35c1cd0
--- /dev/null
+++ b/recover.nix
@@ -0,0 +1,7 @@
+{ lib, ... }: {
+  users.users.root.password = "";
+  users.mutableUsers = false;
+  networking.hostName = "recover";
+  boot.loader.systemd-boot.enable = true;
+  fileSystems."/".device = lib.mkDefault "none";
+}
diff --git a/users.nix b/users.nix
deleted file mode 100644
index 60ad8c6..0000000
--- a/users.nix
+++ /dev/null
@@ -1 +0,0 @@
-{ users.users.root.password = "1234"; }