create a common nix

common.nix

@@ -0,0 +1,86 @@
+{ lib, pkgs, ... }:
+{
+  networking = {
+    wireless = {
+      enable = true;
+      networks = { };
+    };
+    nameservers = [
+      "2a07:a8c0::fe:e334"
+      "2a07:a8c1::fe:e334"
+    ];
+    networkmanager.enable = true;
+  };
+
+  nix = {
+    settings = {
+      substituters = lib.mkForce [
+        "https://cache.nixos.org"
+        "https://nix-community.cachix.org"
+      ];
+      trusted-public-keys = lib.mkForce [
+        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      ];
+      trusted-users = [ "root" ];
+      sandbox = true;
+      require-sigs = true;
+      max-jobs = "auto";
+      auto-optimise-store = true;
+      allowed-users = [ "*" ];
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+      warn-dirty = true;
+      use-xdg-base-directories = true;
+      keep-going = true;
+      builders-use-substitutes = true;
+    };
+    distributedBuilds = true;
+    package = pkgs.nixVersions.unstable;
+    registry = lib.mkForce (
+      (lib.mapAttrs (_: flake: { inherit flake; })) (
+        (lib.filterAttrs (_: lib.isType "flake")) self.inputs
+      )
+      // {
+        self.flake = self;
+      }
+    );
+    nixPath = lib.mkForce [ "/etc/nix/path" ];
+  };
+
+  nixpkgs = {
+    config = {
+      allowUnfree = true;
+      nvidia.acceptLicense = true;
+    };
+  };
+
+  environment.etc = lib.mapAttrs' (name: value: {
+    name = "nix/path/${name}";
+    value.source = value.flake;
+  }) config.nix.registry;
+
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    backupFileExtension = "backup";
+  };
+
+  systemd.services.nix-daemon.serviceConfig.LimitNOFILE = lib.mkForce 1048576000;
+
+  networking.hosts = { };
+
+  hardware.bluetooth.enable = true;
+  hardware.bluetooth.powerOnBoot = true;
+
+  services.openssh = {
+    enable = true;
+    banner = "Hackers are in Your System!!!\n";
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "prohibit-password";
+    };
+  };
+}

systems.nix

@@ -25,6 +25,7 @@ let
         ./users/jopejoe1
         ./users/root
         ./users/fp
+        ./common.nix
         self.inputs.disko.nixosModules.disko
         self.inputs.home-manager.nixosModules.home-manager
         self.inputs.nixos-generators.nixosModules.all-formats
@@ -35,91 +36,6 @@ let
             config = systemConfig;
           };
           networking.hostName = name;
-
-          networking = {
-            wireless = {
-              enable = true;
-              networks = {
-              };
-            };
-            nameservers = [
-              "2a07:a8c0::fe:e334"
-              "2a07:a8c1::fe:e334"
-            ];
-            networkmanager.enable = true;
-          };
-
-          nix = {
-            settings = {
-              substituters = nixpkgs.lib.mkForce [
-                "https://cache.nixos.org"
-                "https://nix-community.cachix.org"
-              ];
-              trusted-public-keys = nixpkgs.lib.mkForce [
-                "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-                "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-              ];
-              trusted-users = [ "root" ];
-              sandbox = true;
-              require-sigs = true;
-              max-jobs = "auto";
-              auto-optimise-store = true;
-              allowed-users = [ "*" ];
-              experimental-features = [
-                "nix-command"
-                "flakes"
-              ];
-              warn-dirty = true;
-              use-xdg-base-directories = true;
-              keep-going = true;
-              builders-use-substitutes = true;
-            };
-            distributedBuilds = true;
-            package = pkgs.nixVersions.unstable;
-            registry = nixpkgs.lib.mkForce (
-              (nixpkgs.lib.mapAttrs (_: flake: { inherit flake; })) (
-                (nixpkgs.lib.filterAttrs (_: nixpkgs.lib.isType "flake")) self.inputs
-              )
-              // {
-                self.flake = self;
-              }
-            );
-            nixPath = nixpkgs.lib.mkForce [ "/etc/nix/path" ];
-          };
-
-          nixpkgs = {
-            config = {
-              allowUnfree = true;
-              nvidia.acceptLicense = true;
-            };
-          };
-
-          environment.etc = nixpkgs.lib.mapAttrs' (name: value: {
-            name = "nix/path/${name}";
-            value.source = value.flake;
-          }) config.nix.registry;
-
-          home-manager = {
-            useGlobalPkgs = true;
-            useUserPackages = true;
-            backupFileExtension = "backup";
-          };
-
-          systemd.services.nix-daemon.serviceConfig.LimitNOFILE = nixpkgs.lib.mkForce 1048576000;
-
-          networking.hosts = { };
-
-          hardware.bluetooth.enable = true;
-          hardware.bluetooth.powerOnBoot = true;
-
-          services.openssh = {
-            enable = true;
-            banner = "Hackers are in Your System!!!\n";
-            settings = {
-              PasswordAuthentication = false;
-              PermitRootLogin = "prohibit-password";
-            };
-          };
         }
       ];
     };