diff --git a/configuration.nix b/configuration.nix
index fcde464..fe72954 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -20,7 +20,6 @@
   # Define on which hard drive you want to install Grub.
   boot.loader.grub.device = "/dev/vda"; # or "nodev" for efi only
 
-  networking.hostName = "nixbox"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Set your time zone.
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..a295407
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,77 @@
+{
+  "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1658151168,
+        "narHash": "sha256-0uHoOHr20pJTOGzgS4kNgOP4wfrch0fc+9vZ/6LgD44=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "4a724cb84cc3aa464af1713d11bf0cfbbdb56c00",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1654230545,
+        "narHash": "sha256-8Vlwf0x8ow6pPOK2a04bT+pxIeRnM1+O0Xv9/CuDzRs=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "236cc2971ac72acd90f0ae3a797f9f83098b17ec",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1658174584,
+        "narHash": "sha256-gLWmjLdk43pjagKnjOI/CgjKEVFgcOLNL0E0Kw7KasI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "1715c13faa2632c0157435babda955fbc3e27cd7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..c4191e7
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,20 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    home-manager.url = "github:nix-community/home-manager";
+  };
+
+  outputs = { self, nixpkgs, home-manager }: {
+    nixosConfigurations.nixbox = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [
+        home-manager.nixosModule
+        ./configuration.nix
+        ./rices/cwm.nix
+        ./hardware.nix
+      ];
+    };
+  };
+}
diff --git a/hardware.nix b/hardware.nix
new file mode 100644
index 0000000..02d7a60
--- /dev/null
+++ b/hardware.nix
@@ -0,0 +1,34 @@
+# 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 =
+    [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.grub = {
+    enable = true;
+    version = 2;
+    device = "/dev/vda";
+  };
+  networking.hostName = "nixbox"; # Define your hostname.
+
+  boot.initrd.availableKernelModules = [ 
+    "ahci"  "xhci_pci" "virtio_pci"
+    "sr_mod" "virtio_blk"
+  ];
+
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-label/nixos";
+      fsType = "ext4";
+    };
+  networking.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/rices/bspwm.nix b/rices/bspwm.nix
index 4af46c6..27e1965 100644
--- a/rices/bspwm.nix
+++ b/rices/bspwm.nix
@@ -1,12 +1,5 @@
 { config, pkgs, ... }:
-let
-  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/master.tar.gz";
-in
 {
-  imports = [
-    (import "${home-manager}/nixos")
-  ];
-
   services.xserver.displayManager.startx.enable = true;
 
   home-manager.users.junikim = {
diff --git a/rices/cwm.nix b/rices/cwm.nix
index 0bb0810..6cf43fb 100644
--- a/rices/cwm.nix
+++ b/rices/cwm.nix
@@ -1,12 +1,5 @@
 { config, pkgs, ... }:
-let
-  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/master.tar.gz";
-in
 {
-  imports = [
-    (import "${home-manager}/nixos")
-  ];
-
   services.xserver.displayManager.startx.enable = true;
 
   home-manager.users.junikim = {
diff --git a/rices/gnome.nix b/rices/gnome.nix
index b40e9f4..3b02f9c 100644
--- a/rices/gnome.nix
+++ b/rices/gnome.nix
@@ -1,12 +1,5 @@
 { config, pkgs, ... }:
-let
-  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/master.tar.gz";
-in
 {
-  imports = [
-    (import "${home-manager}/nixos")
-  ];
-
   services.xserver.displayManager.gdm.enable = true;
   services.xserver.desktopManager.gnome.enable = true;