diff --git a/extra-nixos.nix b/extra-nixos.nix
index 792f80b..6efba45 100644
--- a/extra-nixos.nix
+++ b/extra-nixos.nix
@@ -12,20 +12,20 @@ boot.kernelPackages = pkgs.linuxPackages_latest;
       keep-outputs = true
       keep-derivations = true
     '';
-#    package = pkgs.nixFlakes;
-#    gc = {
-#      automatic = true;
-#      dates = "weekly";
-#      options = "--delete-older-than 7d";
-#      persistent = true;
-#    };
+    package = pkgs.nixFlakes;
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+      persistent = true;
+    };
     settings.auto-optimise-store = true;
   };
 
 #### extra network ####
-#networking.extraHosts =
-#  ''
-#    10.8.0.1 auth.w3n.cc
-#  '';
+networking.extraHosts =
+  ''
+    10.1.40.50 netbox-100.intern.menzel-it.net
+  '';
 #  
 }