modules/machine/cloud/configuration.nix

@@ -85,7 +85,7 @@ in {
   # Graphics module (../../graphics/default.nix)
   graphics = {
     enable = true;
-    gpuVendor = "amd"; # or "amd" or "intel"
+    gpuVendor = "nvidia"; # or "amd" or "intel"
     wayland.enable = true;
     vulkan.enable = true;
   };

modules/machine/valefor/configuration.nix

@@ -87,7 +87,7 @@
   # Core networking module (see ../../networking/core.nix)
   network = {
     firewall.enable = true;
-    networkManager.enable = true;
+    networkmanager.enable = true;
   };
 
   # DNS module (see ../../networking/dns.nix)

modules/networking/dns.nix

@@ -98,12 +98,34 @@ in {
     })
 
     (lib.mkIf cfg.technitium.enable {
-      services.technitium-dns-server = {
-        enable = true;
-        openFirewall = true;
-        firewallTCPPorts = [53 5380 53443];
-        firewallUDPPorts = [53];
+      systemd.services.technitium-dns = {
+        description = "Technitium DNS Server";
+        wantedBy = ["multi-user.target"];
+
+        serviceConfig = {
+          ExecStart = "${pkgs.technitium}/bin/dns-server-start.sh";
+          Restart = "on-failure";
+        };
+
+        # Environment configuration
+        environment =
+          {
+            DNS_LISTEN_ADDRESS = cfg.technitium.settings.address;
+            DNS_LISTEN_PORT = toString cfg.technitium.settings.port;
+          }
+          // lib.mapAttrs' (
+            name: value:
+              lib.nameValuePair "DNS_${lib.toUpper name}" (toString value)
+          )
+          cfg.technitium.settings.extraOptions;
       };
+
+      networking.firewall = {
+        allowedTCPPorts = [53 cfg.technitium.settings.port];
+        allowedUDPPorts = [53 cfg.technitium.settings.port];
+      };
+
+      environment.systemPackages = [pkgs.technitium];
     })
   ];
 }