diff --git a/1systems/cake/config.nix b/1systems/cake/config.nix
index e40042b..8617578 100644
--- a/1systems/cake/config.nix
+++ b/1systems/cake/config.nix
@@ -1,9 +1,16 @@
 { config, lib, pkgs, ... }:
-{
+let
+  primaryInterface = "eth0";
+in {
   imports = [
     <stockholm/makefu>
     ./hardware-config.nix
-    <stockholm/makefu/2configs/tools/core.nix>
+    # <stockholm/makefu/2configs/tools/core.nix>
+    { environment.systemPackages = with pkgs;[ rsync screen curl git ];}
+    <stockholm/makefu/2configs/binary-cache/nixos.nix>
+    #<stockholm/makefu/2configs/support-nixos.nix>
+    <stockholm/makefu/2configs/homeautomation/default.nix>
+    <stockholm/makefu/2configs/homeautomation/google-muell.nix>
 # configure your hw:
 # <stockholm/makefu/2configs/save-diskspace.nix>
   ];
@@ -12,7 +19,7 @@
     tinc.retiolum.enable = true;
     build.host = config.krebs.hosts.cake;
   };
-
+  networking.firewall.trustedInterfaces = [ primaryInterface ];
   documentation.info.enable = false;
   documentation.man.enable = false;
   services.nixosManual.enable = false;