diff --git a/makefu/1systems/pornocauster.nix b/makefu/1systems/pornocauster.nix
index 218594533..40aa5bb1f 100644
--- a/makefu/1systems/pornocauster.nix
+++ b/makefu/1systems/pornocauster.nix
@@ -9,13 +9,19 @@
       ../2configs/base.nix
       ../2configs/main-laptop.nix #< base-gui
 
+      # Krebs
       ../2configs/tinc-basic-retiolum.nix
+      #../2configs/disable_v6.nix
+
       #../2configs/sda-crypto-root.nix
       ../2configs/sda-crypto-root-home.nix
 
       ../2configs/zsh-user.nix
+
+      # applications
       ../2configs/exim-retiolum.nix
-      #../2configs/disable_v6.nix
+      ../2configs/virtualization.nix
+      ../2configs/wwan.nix
 
       # hardware specifics are in here
       ../2configs/tp-x220.nix
diff --git a/makefu/2configs/tp-x200.nix b/makefu/2configs/tp-x200.nix
index aed6d6448..ed46875d8 100644
--- a/makefu/2configs/tp-x200.nix
+++ b/makefu/2configs/tp-x200.nix
@@ -11,4 +11,11 @@ with lib;
 
   };
   services.thinkfan.enable = true;
+
+  # only works on tp-x200 , not x220
+  services.xserver.displayManager.sessionCommands = ''
+    xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation" 1
+    xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Button" 2
+    xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Timeout" 200
+  '';
 }
diff --git a/makefu/2configs/tp-x220.nix b/makefu/2configs/tp-x220.nix
index d079d5b37..1aacb07cd 100644
--- a/makefu/2configs/tp-x220.nix
+++ b/makefu/2configs/tp-x220.nix
@@ -6,6 +6,9 @@ with lib;
   imports = [ ./tp-x2x0.nix ];
 
   boot.kernelModules = [ "kvm-intel" ];
+
+  services.xserver.vaapiDrivers = [pkgs.vaapiIntel pkgs.vaapiVdpau ];
+
   services.xserver.displayManager.sessionCommands =''
   xinput set-int-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation" 8 1
   xinput set-int-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Button" 8 2
diff --git a/makefu/2configs/tp-x2x0.nix b/makefu/2configs/tp-x2x0.nix
index e65563014..b79d94b4a 100644
--- a/makefu/2configs/tp-x2x0.nix
+++ b/makefu/2configs/tp-x2x0.nix
@@ -2,7 +2,7 @@
 
 with lib;
 {
-  # TODO: pot this somewhere else
+  # TODO: put this somewhere else
   networking.wireless.enable = true;
 
   hardware.enableAllFirmware = true;
@@ -14,11 +14,6 @@ with lib;
   hardware.trackpoint.enable = true;
   hardware.trackpoint.sensitivity = 220;
   hardware.trackpoint.speed = 220;
-  services.xserver.displayManager.sessionCommands = ''
-    xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation" 1
-    xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Button" 2
-    xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Timeout" 200
-  '';
 
   services.tlp.enable = true;
   services.tlp.extraConfig = ''
diff --git a/makefu/2configs/virtualization.nix b/makefu/2configs/virtualization.nix
new file mode 100644
index 000000000..b3f8c8284
--- /dev/null
+++ b/makefu/2configs/virtualization.nix
@@ -0,0 +1,8 @@
+{ config, lib, pkgs, ... }:
+
+let
+  mainUser = config.krebs.build.user;
+in {
+  virtualisation.libvirtd.enable = true;
+  users.extraUsers.${mainUser.name}.extraGroups = [ "libvirtd" ];
+}
diff --git a/makefu/2configs/wwan.nix b/makefu/2configs/wwan.nix
index 1492213bb..dd1c63090 100644
--- a/makefu/2configs/wwan.nix
+++ b/makefu/2configs/wwan.nix
@@ -1,5 +1,7 @@
 { config, lib, pkgs, ... }:
 
+#usage: $ wvdial
+
 let
   mainUser = config.krebs.build.user;
 in {