diff --git a/home-manager/modules/zsh.nix b/home-manager/modules/zsh.nix
index 6a3dc49..8dae7b2 100644
--- a/home-manager/modules/zsh.nix
+++ b/home-manager/modules/zsh.nix
@@ -15,7 +15,7 @@
       "k" = "kubectl";
       "kx" = "kubectx";
       "dl" = "ls -lhtr --color=always ~/Downloads | tail -n 10"; # Show the 10 newest Downloads
-      "buzzer" = "ssh -i Nextcloud/Privat/id_door door@door.w17.io buzzer";
+      "buzzer" = "ssh -i Nextcloud/Privat/id_door door@door.cccda.de buzzer";
       "beep" = "paplay /usr/share/sounds/freedesktop/stereo/complete.oga"; # play "ding" for long running jobs
       "dig" = "dig +short";
       "cal" = "ncal -b";
diff --git a/machines/smithers/hardware-configuration.nix b/machines/smithers/hardware-configuration.nix
index 77ab4d0..227f98b 100644
--- a/machines/smithers/hardware-configuration.nix
+++ b/machines/smithers/hardware-configuration.nix
@@ -12,6 +12,7 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
+  boot.kernelPackages = pkgs.linuxPackages_latest;
 
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/91f6e726-d85d-4685-8325-d220c287e45b";
diff --git a/modules/lix.nix b/modules/lix.nix
new file mode 100644
index 0000000..1c0bf80
--- /dev/null
+++ b/modules/lix.nix
@@ -0,0 +1,16 @@
+let
+  module = fetchTarball {
+    name = "source";
+    url = "https://git.lix.systems/lix-project/nixos-module/archive/2.90.0-rc1.tar.gz";
+    sha256 = "sha256-64lB/NO6AQ6z6EDCemPSYZWX/Qc6Rt04cPia5T5v01g=";
+  };
+  lixSrc = fetchTarball {
+    name = "source";
+    url = "https://git.lix.systems/lix-project/lix/archive/2.90.0-rc1.tar.gz";
+    sha256 = "sha256-WY7BGnu5PnbK4O8cKKv9kvxwzZIGbIQUQLGPHFXitI0=";
+  };
+  # This is the core of the code you need; it is an exercise to the
+  # reader to write the sources in a nicer way, or by using npins or
+  # similar pinning tools.
+in
+import "${module}/module.nix" { lix = lixSrc; }
diff --git a/roles/all.nix b/roles/all.nix
index 2c4f8db..d456d69 100644
--- a/roles/all.nix
+++ b/roles/all.nix
@@ -16,7 +16,6 @@ in
     ../modules/ssh.nix
     ../modules/steam.nix
     ../modules/via.nix
-    ../modules/virtualbox.nix
     ../modules/borgbackup.nix
     ../modules/udisks2.nix
     ../modules/samba.nix
@@ -24,6 +23,7 @@ in
     ../modules/sway.nix
     ../modules/nixld.nix
     ../modules/fwupd.nix
+    ../modules/lix.nix
 
     ../secrets/remote-builder.nix
     ../users/fleaz.nix
@@ -60,6 +60,9 @@ in
   # Look mum, I'm using all the new shiny stuff!
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
+  # Enable proprietary firmware
+  hardware.enableAllFirmware = true;
+
   # TMP
   networking.firewall = {
     allowedTCPPorts = [ 3000 ];
diff --git a/roles/laptop.nix b/roles/laptop.nix
index 307bd2d..26ecc91 100644
--- a/roles/laptop.nix
+++ b/roles/laptop.nix
@@ -5,7 +5,6 @@
     ../modules/networkmanager.nix
     ../modules/tlp.nix
     ../modules/sus-then-hib.nix
-    ../modules/k40.nix
   ];
 
 }
diff --git a/secrets b/secrets
index b807b22..147f60a 160000
--- a/secrets
+++ b/secrets
@@ -1 +1 @@
-Subproject commit b807b2260222a8d89b9606db764092eed1be891d
+Subproject commit 147f60a59590e5613022cc4f912013aeea0b3a37