Add common setting, ssh, pkgs, etc.

common.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }:
+{
+   nix.settings = {
+    experimental-features = [ "nix-command" "flakes" ];
+  };
+
+  environment.systemPackages = with pkgs; [
+    vim
+    git
+  ];
+  
+  services.openssh = {
+    enable = true;
+  };
+}

configuration-grub.nix

@@ -1,5 +1,5 @@
 # This is a small config that can be used to bootstrap a system with ZFS.
-{ config, lib, modulesPath, ... }:
+{ config, lib, modulesPath, pkgs, ... }:
 {
   imports =
     [
@@ -55,7 +55,4 @@
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   system.stateVersion = "24.05";
 
-  services.openssh = {
-    enable = true;
-  };
 }

flake.nix

@@ -19,6 +19,7 @@
         specialArgs = { inherit inputs; };
         modules = [
           ./configuration-grub.nix
+          ./common.nix
           disko.nixosModules.disko
           (import ./disko-nixos.nix { disks = [ "/dev/nvme0n1" ]; })
         ];
@@ -28,6 +29,7 @@
         specialArgs = { inherit inputs; };
         modules = [
           ./configuration-systemd.nix
+          ./common.nix
           disko.nixosModules.disko
           (import ./disko-nixos.nix { disks = [ "/dev/nvme0n1" ]; })
         ];