diff --git a/jeschli/1systems/bln/config.nix b/jeschli/1systems/bln/config.nix
index 9e5f8c52e..9c491c8a1 100644
--- a/jeschli/1systems/bln/config.nix
+++ b/jeschli/1systems/bln/config.nix
@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       <stockholm/jeschli>
+      <stockholm/jeschli/2configs/virtualbox.nix>
       ./hardware-configuration.nix
       # ./dcso-vpn.nix
     ];
diff --git a/jeschli/1systems/enklave/config.nix b/jeschli/1systems/enklave/config.nix
index 010089017..76e718699 100644
--- a/jeschli/1systems/enklave/config.nix
+++ b/jeschli/1systems/enklave/config.nix
@@ -4,6 +4,7 @@
   imports = [
     <stockholm/jeschli>
     <stockholm/jeschli/2configs/retiolum.nix>
+    <stockholm/jeschli/2configs/IM.nix>
     <stockholm/jeschli/2configs/os-templates/CentOS-7-64bit.nix>
     {
       networking.dhcpcd.allowInterfaces = [
diff --git a/jeschli/2configs/IM.nix b/jeschli/2configs/IM.nix
new file mode 100644
index 000000000..171b78242
--- /dev/null
+++ b/jeschli/2configs/IM.nix
@@ -0,0 +1,56 @@
+with (import <stockholm/lib>);
+{ config, lib, pkgs, ... }:
+let
+  tmux = pkgs.writeDashBin "tmux" ''
+    export TERM=xterm-256color
+    exec ${pkgs.tmux}/bin/tmux -f ${pkgs.writeText "tmux.conf" ''
+      set-option -g default-terminal screen-256color
+    ''} "$@"
+  '';
+in {
+
+  services.bitlbee = {
+    enable = true;
+    portNumber = 6666;
+    plugins = [
+      pkgs.bitlbee-facebook
+      pkgs.bitlbee-steam
+      pkgs.bitlbee-discord
+    ];
+    libpurple_plugins = [ pkgs.telegram-purple ];
+  };
+
+  users.extraUsers.chat = {
+    home = "/home/chat";
+    uid = genid "chat";
+    useDefaultShell = true;
+    createHome = true;
+    openssh.authorizedKeys.keys = with config.krebs.users; [
+      jeschli.pubkey
+      jeschli-bln.pubkey
+      jeschli-brauerei.pubkey
+    ];
+    packages = [ tmux ]; 
+  };
+
+
+  systemd.services.chat = {
+    description = "chat environment setup";
+    after = [ "network.target" ];
+    wantedBy = [ "multi-user.target" ];
+
+    restartIfChanged = false;
+
+    path = [
+      pkgs.rxvt_unicode.terminfo
+    ];
+
+    serviceConfig = {
+      User = "chat";
+      RemainAfterExit = true;
+      Type = "oneshot";
+      ExecStart = "${tmux}/bin/tmux -2 new-session -d -s IM ${pkgs.weechat}/bin/weechat";
+      ExecStop = "${tmux}/bin/tmux kill-session -t IM";
+    };
+  };
+}
diff --git a/jeschli/2configs/default.nix b/jeschli/2configs/default.nix
index 6d788d283..0ac3708bb 100644
--- a/jeschli/2configs/default.nix
+++ b/jeschli/2configs/default.nix
@@ -23,6 +23,9 @@ with import <stockholm/lib>;
     proot
     populate
 
+  # aliases
+    (writeDashBin "irc" "ssh chat@enklave -t tmux a")
+
   #style
     most
     rxvt_unicode.terminfo
diff --git a/jeschli/2configs/virtualbox.nix b/jeschli/2configs/virtualbox.nix
new file mode 100644
index 000000000..b2cb851a1
--- /dev/null
+++ b/jeschli/2configs/virtualbox.nix
@@ -0,0 +1,23 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.markus;
+
+in {
+  #services.virtualboxHost.enable = true;
+  virtualisation.virtualbox.host.enable = true;
+
+  users.extraUsers = {
+    virtual = {
+      name = "virtual";
+      description = "user for running VirtualBox";
+      home = "/home/virtual";
+      useDefaultShell = true;
+      extraGroups = [ "vboxusers" "audio" ];
+      createHome = true;
+    };
+  };
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(virtual) NOPASSWD: ALL
+  '';
+}
diff --git a/lass/1systems/mors/config.nix b/lass/1systems/mors/config.nix
index c231a0b10..936666a73 100644
--- a/lass/1systems/mors/config.nix
+++ b/lass/1systems/mors/config.nix
@@ -192,7 +192,7 @@ with import <stockholm/lib>;
     '';
   };
 
-  #nix.package = pkgs.nixUnstable;
+  nix.package = pkgs.nixUnstable;
   programs.adb.enable = true;
   users.users.mainUser.extraGroups = [ "adbusers" ];
 }
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix
index 5cb7eb03f..5ca024574 100644
--- a/lass/2configs/baseX.nix
+++ b/lass/2configs/baseX.nix
@@ -53,6 +53,7 @@ in {
 
   time.timeZone = "Europe/Berlin";
 
+  programs.ssh.agentTimeout = "10m";
   programs.ssh.startAgent = true;
   services.openssh.forwardX11 = true;
 
diff --git a/lass/2configs/radio.nix b/lass/2configs/radio.nix
index 7f531bf3a..a83d51f1d 100644
--- a/lass/2configs/radio.nix
+++ b/lass/2configs/radio.nix
@@ -118,6 +118,7 @@ in {
       if test $(timeLeft) -le $LIMIT; then
         ${add_random}/bin/add_random
       fi
+      ${pkgs.mpc_cli}/bin/mpc play > /dev/null
     '';
   in {
     description = "radio playlist autoadder";