diff --git a/archachatina.nix b/archachatina.nix
index bf87d7b..671a739 100644
--- a/archachatina.nix
+++ b/archachatina.nix
@@ -88,4 +88,6 @@
     # useGlamor = true;
   };
 
+  services.transmission.enable = true;
+
 }
diff --git a/common-headless.nix b/common-headless.nix
index cffacd9..69998c4 100644
--- a/common-headless.nix
+++ b/common-headless.nix
@@ -68,7 +68,7 @@
 
   users.extraUsers.gebner = {
     isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" ];
+    extraGroups = [ "wheel" "networkmanager" "transmission" ];
     # shell = "${pkgs.zsh}/bin/zsh";
 
     password = if config.virtualisation != null then "" else null;
diff --git a/common-sw.nix b/common-sw.nix
index 53258f2..15d518d 100644
--- a/common-sw.nix
+++ b/common-sw.nix
@@ -56,7 +56,7 @@
     msmtp
     vdirsyncer khard khal
 
-    linuxPackages.perf
+    # linuxPackages.perf
 
     veriT
     minisat