diff --git a/makefu/1systems/pornocauster.nix b/makefu/1systems/pornocauster.nix
index 4dcfe4eca..d43f89a03 100644
--- a/makefu/1systems/pornocauster.nix
+++ b/makefu/1systems/pornocauster.nix
@@ -9,6 +9,9 @@
       ../2configs/base.nix
       ../2configs/main-laptop.nix #< base-gui
 
+      # configures sources
+      ../2configs/base-sources.nix
+
       # Krebs
       ../2configs/tinc-basic-retiolum.nix
       #../2configs/disable_v6.nix
@@ -18,34 +21,30 @@
 
       # applications
       ../2configs/exim-retiolum.nix
-      ../2configs/virtualization.nix
+      #../2configs/virtualization.nix
+      ../2configs/virtualization-virtualbox.nix
       ../2configs/wwan.nix
 
       # services
       ../2configs/git/brain-retiolum.nix
-      # ../2configs/Reaktor/simpleExtend.nix
+      ../2configs/tor.nix
 
       # hardware specifics are in here
       ../2configs/hw/tp-x220.nix
       # mount points
       ../2configs/fs/sda-crypto-root-home.nix
     ];
+  krebs.Reaktor.enable = true;
+  krebs.Reaktor.debug = true;
+  krebs.Reaktor.nickname = "makefu|r";
 
   krebs.build.host = config.krebs.hosts.pornocauster;
   krebs.build.user = config.krebs.users.makefu;
   krebs.build.target = "root@pornocauster";
 
-  #krebs.Reaktor.nickname = "makefu|r";
 
   networking.firewall.allowedTCPPorts = [
     25
   ];
 
-  krebs.build.deps = {
-    nixpkgs = {
-      url = https://github.com/NixOS/nixpkgs;
-      #url = https://github.com/makefu/nixpkgs;
-      rev = "03921972268934d900cc32dad253ff383926771c";
-    };
-  };
 }
diff --git a/makefu/2configs/base-sources.nix b/makefu/2configs/base-sources.nix
new file mode 100644
index 000000000..a2715ba4c
--- /dev/null
+++ b/makefu/2configs/base-sources.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+{
+  krebs.build.source = {
+    git.nixpkgs = {
+      url = https://github.com/NixOS/nixpkgs;
+      #url = https://github.com/makefu/nixpkgs;
+      rev = "68bd8e4a9dc247726ae89cc8739574261718e328";
+    };
+    dir.secrets = {
+      host = config.krebs.hosts.pornocauster;
+      path = "/home/makefu/secrets/${config.krebs.build.host.name}/";
+    };
+    dir.stockholm = {
+      host = config.krebs.hosts.pornocauster;
+      path = toString ../.. ;
+    };
+  };
+}
diff --git a/makefu/2configs/base.nix b/makefu/2configs/base.nix
index a5c64f4f3..34b413024 100644
--- a/makefu/2configs/base.nix
+++ b/makefu/2configs/base.nix
@@ -37,15 +37,6 @@ with lib;
   time.timeZone = "Europe/Berlin";
   #nix.maxJobs = 1;
 
-  krebs.build.deps = {
-    secrets = {
-      url = "/home/makefu/secrets/${config.krebs.build.host.name}";
-    };
-    stockholm = {
-      url = toString ../..;
-    };
-  };
-
   services.openssh.enable = true;
   nix.useChroot = true;