add basic vm configuration

hosts/vm/default.nix

@@ -0,0 +1,48 @@
+{ config, pkgs, ... }:
+{
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  imports =
+    [
+      # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  boot = {
+    loader.systemd-boot.enable = true;
+    loader.efi.canTouchEfiVariables = true;
+    kernelPackages = pkgs.linuxPackages_latest;
+    tmp.useTmpfs = true;
+  };
+
+  time.timeZone = "Europe/Berlin";
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "dvorak";
+  };
+
+  environment.systemPackages = with pkgs; [
+    vim
+    wget
+    htop-vim
+  ];
+  programs.git = {
+    enable = true;
+    config = {
+      user.name = "Rouven Seifert";
+      user.email = "rouven@rfive.de";
+    };
+  };
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = true;
+
+  # firmware updates
+  users.users.root.openssh.authorizedKeys.keyFiles = [
+    ../../keys/ssh/rouven-thinkpad
+  ];
+
+  system.stateVersion = "22.11";
+
+}

hosts/vm/hardware-configuration.nix

@@ -0,0 +1,23 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    {
+    
+      # Replace with actual config
+      device = "/dev/sda";
+      fsType = "ext4";
+    };
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}