upd

info.nix

@@ -18,10 +18,26 @@
     neo = "nix run github:fred-drake/neovim#";
   };
 
+  # Custom Applications
   apps = pkgs:
     with pkgs; [
       delfin
     ];
 
+  trustedUsers = [
+    "lsoriano"
+    "@groups"
+  ];
+
+  buildMachines = [
+    {
+      hostName = "192.168.68.81";
+      sshUser = "lsoriano";
+      sshKey = "~/.ssh/id_rsa";
+      system = "x86_64-linux";
+      supportedFeatures = ["big-parallel" "kvm" "nixos-test"];
+    }
+  ];
+
   touchpadSupport = false;
 }

nixos/desktop/configuration.nix

@@ -1,8 +1,8 @@
 {
-  config,
-  lib,
   pkgs,
   allowUnfree,
+  buildMachines,
+  trustedUsers,
   ...
 }: {
   imports = [
@@ -21,10 +21,19 @@
   nixpkgs.config.allowUnfree = allowUnfree;
 
   nix.settings = {
-    trusted-users = [
-      "lsoriano"
-    ];
+    trusted-users = trustedUsers;
     experimental-features = ["nix-command" "flakes"];
   };
+
+  programs.ssh.extraConfig = ''
+    Host macair
+      User lsoriano
+      HostName 192.168.68.81
+  '';
+
+  nix.distributedBuilds = true;
+  nix.settings.builders-use-substitutes = true;
+
+  nix.buildMachines = buildMachines;
   system.stateVersion = "25.05";
 }