diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index 05982bd54..4b17c4abd 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -201,7 +201,7 @@ let
           })
         //
         # GitHub's IPv4 address range is 192.30.252.0/22
-        # Refs https://help.github.com/articles/what-ip-addresses-does-github-use-that-i-should-whitelist/
+        # Refs https://help.github.com/articles/github-s-ip-addresses/
         # 192.30.252.0/22 = 192.30.252.0-192.30.255.255 (1024 addresses)
         # Because line length is limited by OPENSSH_LINE_MAX (= 8192),
         # we split each /24 into its own entry.
diff --git a/tv/1systems/wu.nix b/tv/1systems/wu.nix
index d5be57bb8..a9d7e94eb 100644
--- a/tv/1systems/wu.nix
+++ b/tv/1systems/wu.nix
@@ -23,7 +23,6 @@ with import <stockholm/lib>;
         # stockholm
         gnumake
         hashPassword
-        haskellPackages.lentil
         parallel
 
         # root
@@ -47,7 +46,6 @@ with import <stockholm/lib>;
         p7zip
         push
         qrencode
-        texLive
         tmux
 
         #ack
@@ -116,18 +114,23 @@ with import <stockholm/lib>;
   boot.initrd.luks = {
     cryptoModules = [ "aes" "sha512" "xts" ];
     devices = [
-      { name = "home"; device = "/dev/vg840/enchome"; preLVM = false; }
+      { name = "wuca"; device = "/dev/sda2"; }
     ];
   };
 
   fileSystems = {
     "/" = {
-      device = "/dev/mapper/vg840-wuroot";
+      device = "/dev/mapper/wuvga-root";
+      fsType = "btrfs";
+      options = ["defaults" "noatime" "ssd" "compress=lzo"];
+    };
+    "/bku" = {
+      device = "/dev/mapper/wuvga-bku";
       fsType = "btrfs";
       options = ["defaults" "noatime" "ssd" "compress=lzo"];
     };
     "/home" = {
-      device = "/dev/mapper/home";
+      device = "/dev/mapper/wuvga-home";
       fsType = "btrfs";
       options = ["defaults" "noatime" "ssd" "compress=lzo"];
     };
@@ -174,5 +177,5 @@ with import <stockholm/lib>;
     KERNEL=="hpet", GROUP="audio"
   '';
 
-  services.virtualboxHost.enable = true;
+  virtualisation.virtualbox.host.enable = true;
 }
diff --git a/tv/2configs/hw/w110er.nix b/tv/2configs/hw/w110er.nix
index aa8292441..787bfc6e9 100644
--- a/tv/2configs/hw/w110er.nix
+++ b/tv/2configs/hw/w110er.nix
@@ -12,9 +12,11 @@
   boot.initrd.availableKernelModules = [ "ahci" ];
   boot.kernelModules = [ "kvm-intel" ];
 
-  boot.loader.gummiboot.enable = true;
+  boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+  hardware.opengl.extraPackages = [ pkgs.vaapiIntel ];
+
   networking.wireless.enable = true;
 
   nix = {
@@ -31,10 +33,6 @@
     HandleSuspendKey=ignore
   '';
 
-  services.xserver = {
-    vaapiDrivers = [ pkgs.vaapiIntel ];
-  };
-
   system.activationScripts.powertopTunables = ''
     echo 1 > /sys/module/snd_hda_intel/parameters/power_save
     echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
diff --git a/tv/2configs/urlwatch.nix b/tv/2configs/urlwatch.nix
index b34590908..6e11e0251 100644
--- a/tv/2configs/urlwatch.nix
+++ b/tv/2configs/urlwatch.nix
@@ -47,7 +47,7 @@ with import <stockholm/lib>;
       #http://hackage.haskell.org/package/web-page
 
       # ref <stockholm/krebs/3modules>, services.openssh.knownHosts.github*
-      https://help.github.com/articles/what-ip-addresses-does-github-use-that-i-should-whitelist/
+      https://help.github.com/articles/github-s-ip-addresses/
 
       # <stockholm/tv/2configs/xserver/xserver.conf.nix>
       # is derived from `configFile` in: