diff --git a/2configs/lass/base.nix b/2configs/lass/base.nix
new file mode 100644
index 000000000..5e5b8a7b1
--- /dev/null
+++ b/2configs/lass/base.nix
@@ -0,0 +1,136 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+{
+  imports = [
+    ./sshkeys.nix
+    ../../3modules/lass/iptables.nix
+    {
+      users.extraUsers =
+        mapAttrs (_: h: { hashedPassword = h; })
+                 (import /root/src/secrets/hashedPasswords.nix);
+    }
+
+  ];
+
+  nix.useChroot = true;
+
+  users.mutableUsers = false;
+
+  boot.tmpOnTmpfs = true;
+  # see tmpfiles.d(5)
+  systemd.tmpfiles.rules = [
+    "d /tmp 1777 root root - -"
+  ];
+
+  # multiple-definition-problem when defining environment.variables.EDITOR
+  environment.extraInit = ''
+    EDITOR=vim
+    PAGER=most
+  '';
+
+  environment.systemPackages = with pkgs; [
+    git
+    most
+    rxvt_unicode.terminfo
+
+  #network
+    iptables
+  ];
+
+  programs.bash = {
+    enableCompletion = true;
+    interactiveShellInit = ''
+      HISTCONTROL='erasedups:ignorespace'
+      HISTSIZE=65536
+      HISTFILESIZE=$HISTSIZE
+
+      shopt -s checkhash
+      shopt -s histappend histreedit histverify
+      shopt -s no_empty_cmd_completion
+      complete -d cd
+
+      #fancy colors
+      if [ -e ~/LS_COLORS ]; then
+        eval $(dircolors ~/LS_COLORS)
+      fi
+
+      if [ -e /etc/nixos/dotfiles/link ]; then
+        /etc/nixos/dotfiles/link
+      fi
+    '';
+    promptInit = ''
+      if test $UID = 0; then
+        PS1='\[\033[1;31m\]\w\[\033[0m\] '
+      elif test $UID = 1337; then
+        PS1='\[\033[1;32m\]\w\[\033[0m\] '
+      else
+        PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
+      fi
+      if test -n "$SSH_CLIENT"; then
+        PS1='\[\033[35m\]\h'" $PS1"
+      fi
+    '';
+  };
+
+  security.setuidPrograms = [
+    "sendmail"
+  ];
+
+  services.gitolite = {
+    enable = true;
+    dataDir = "/home/gitolite";
+    adminPubkey = config.sshKeys.lass.pub;
+  };
+
+  services.openssh = {
+    enable = true;
+    hostKeys = [
+      # XXX bits here make no science
+      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+    ];
+  };
+
+  services.journald.extraConfig = ''
+    SystemMaxUse=1G
+    RuntimeMaxUse=128M
+  '';
+
+  lass.iptables = {
+    enable = true;
+    tables = {
+      filter.INPUT.policy = "DROP";
+      filter.FORWARD.policy = "DROP";
+      filter.INPUT.rules = [
+        { predicate = "-i lo"; target = "ACCEPT"; }
+        { predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
+        { predicate = "-p icmp"; target = "ACCEPT"; }
+        { predicate = "-p tcp --dport 22"; target = "ACCEPT"; }
+      ];
+    };
+  };
+
+  #Networking.firewall = {
+  #  enable = true;
+
+  #  allowedTCPPorts = [
+  #    22
+  #  ];
+
+  #  extraCommands = ''
+  #    iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+  #    iptables -A INPUT -j ACCEPT -i lo
+  #    #http://serverfault.com/questions/84963/why-not-block-icmp
+  #    iptables -A INPUT -j ACCEPT -p icmp
+
+  #    #TODO: fix Retiolum firewall
+  #    #iptables -N RETIOLUM
+  #    #iptables -A INPUT -j RETIOLUM -i retiolum
+  #    #iptables -A RETIOLUM -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+  #    #iptables -A RETIOLUM -j REJECT -p tcp --reject-with tcp-reset
+  #    #iptables -A RETIOLUM -j REJECT -p udp --reject-with icmp-port-unreachable
+  #    #iptables -A RETIOLUM -j REJECT        --reject-with icmp-proto-unreachable
+  #    #iptables -A RETIOLUM -j REJECT
+  #  '';
+  #};
+}
diff --git a/2configs/lass/binary-caches.nix b/2configs/lass/binary-caches.nix
new file mode 100644
index 000000000..c2727520d
--- /dev/null
+++ b/2configs/lass/binary-caches.nix
@@ -0,0 +1,13 @@
+{ config, ... }:
+
+{
+  nix.sshServe.enable = true;
+  nix.sshServe.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBF9SBNKE3Pw/ALwTfzpzs+j6Rpaf0kUy6FiPMmgNNNt root@mors"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFCZSq5oLrokkh3F+MOdK5/nzVIEDvqyvfzLMNWmzsYD root@uriel"
+  ];
+  nix.binaryCaches = [
+    #"scp://nix-ssh@mors"
+    #"scp://nix-ssh@uriel"
+  ];
+}
diff --git a/2configs/lass/bird.nix b/2configs/lass/bird.nix
new file mode 100644
index 000000000..3fc265cd7
--- /dev/null
+++ b/2configs/lass/bird.nix
@@ -0,0 +1,13 @@
+{ config, ... }:
+
+{
+  config.services.bird = {
+    enable = true;
+    config = ''
+      router id 192.168.122.1;
+      protocol device {
+        scan time 10;
+      }
+    '';
+  };
+}
diff --git a/2configs/lass/bitcoin.nix b/2configs/lass/bitcoin.nix
new file mode 100644
index 000000000..d3bccbf5c
--- /dev/null
+++ b/2configs/lass/bitcoin.nix
@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    electrum
+  ];
+
+  users.extraUsers = {
+    bitcoin = {
+      name = "bitcoin";
+      description = "user for bitcoin stuff";
+      home = "/home/bitcoin";
+      useDefaultShell = true;
+      createHome = true;
+    };
+  };
+}
diff --git a/2configs/lass/browsers.nix b/2configs/lass/browsers.nix
new file mode 100644
index 000000000..8aecea925
--- /dev/null
+++ b/2configs/lass/browsers.nix
@@ -0,0 +1,67 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+
+in {
+
+  nixpkgs.config.packageOverrides = pkgs : {
+    chromium = pkgs.chromium.override {
+      pulseSupport = true;
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    firefox
+  ];
+
+  users.extraUsers = {
+    firefox = {
+      name = "firefox";
+      description = "user for running firefox";
+      home = "/home/firefox";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+    chromium = {
+      name = "chromium";
+      description = "user for running chromium";
+      home = "/home/chromium";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+    facebook = {
+      name = "facebook";
+      description = "user for running facebook in chromium";
+      home = "/home/facebook";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+    google = {
+      name = "google";
+      description = "user for running google+/gmail in chromium";
+      home = "/home/google";
+      useDefaultShell = true;
+      createHome = true;
+    };
+    flash = {
+      name = "flash";
+      description = "user for running flash stuff";
+      home = "/home/flash";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+  };
+
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(firefox) NOPASSWD: ALL
+    ${mainUser.name} ALL=(chromium) NOPASSWD: ALL
+    ${mainUser.name} ALL=(facebook) NOPASSWD: ALL
+    ${mainUser.name} ALL=(google) NOPASSWD: ALL
+    ${mainUser.name} ALL=(flash) NOPASSWD: ALL
+  '';
+}
diff --git a/2configs/lass/chromium-patched.nix b/2configs/lass/chromium-patched.nix
new file mode 100644
index 000000000..715181778
--- /dev/null
+++ b/2configs/lass/chromium-patched.nix
@@ -0,0 +1,48 @@
+{ config, pkgs, ... }:
+
+#settings to test:
+#
+      #"ForceEphemeralProfiles": true,
+let
+  masterPolicy = pkgs.writeText "master.json" ''
+    {
+      "PasswordManagerEnabled": false,
+      "DefaultGeolocationSetting": 2,
+      "RestoreOnStartup": 1,
+      "AutoFillEnabled": false,
+      "BackgroundModeEnabled": false,
+      "DefaultBrowserSettingEnabled": false,
+      "SafeBrowsingEnabled": false,
+      "ExtensionInstallForcelist": [
+        "cjpalhdlnbpafiamejdnhcphjbkeiagm;https://clients2.google.com/service/update2/crx",
+        "ihlenndgcmojhcghmfjfneahoeklbjjh;https://clients2.google.com/service/update2/crx"
+      ]
+    }
+  '';
+
+  master_preferences = pkgs.writeText "master_preferences" ''
+    {
+      "browser": {
+        "custom_chrome_frame": true
+      },
+
+      "extensions": {
+        "theme": {
+          "id": "",
+          "use_system": true
+        }
+      }
+    }
+  '';
+in {
+  environment.etc."chromium/policies/managed/master.json".source = pkgs.lib.mkForce masterPolicy;
+
+  environment.systemPackages = [
+    #pkgs.chromium
+    (pkgs.lib.overrideDerivation pkgs.chromium (attrs: {
+      buildCommand = attrs.buildCommand + ''
+        touch $out/TEST123
+      '';
+    }))
+  ];
+}
diff --git a/2configs/lass/desktop-base.nix b/2configs/lass/desktop-base.nix
new file mode 100644
index 000000000..ee7a94bc9
--- /dev/null
+++ b/2configs/lass/desktop-base.nix
@@ -0,0 +1,65 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+in {
+  imports = [
+    ./base.nix
+  ];
+
+  time.timeZone = "Europe/Berlin";
+
+  virtualisation.libvirtd.enable = true;
+
+  hardware.pulseaudio = {
+    enable = true;
+    systemWide = true;
+  };
+
+  programs.ssh.startAgent = false;
+
+  security.setuidPrograms = [ "slock" ];
+
+  services.printing = {
+    enable = true;
+    drivers = [ pkgs.foomatic_filters ];
+  };
+
+  environment.systemPackages = with pkgs; [
+
+    powertop
+
+  #window manager stuff
+    haskellPackages.xmobar
+    haskellPackages.yeganesh
+    dmenu2
+    xlibs.fontschumachermisc
+  ];
+
+  fonts.fonts = [
+    pkgs.xlibs.fontschumachermisc
+  ];
+
+  services.xserver = {
+    enable = true;
+
+    windowManager.xmonad.extraPackages = hspkgs: with hspkgs; [
+      X11-xshape
+    ];
+    windowManager.xmonad.enable = true;
+    windowManager.xmonad.enableContribAndExtras = true;
+    windowManager.default = "xmonad";
+    desktopManager.default = "none";
+    desktopManager.xterm.enable = false;
+    displayManager.slim.enable = true;
+    displayManager.auto.enable = true;
+    displayManager.auto.user = mainUser.name;
+
+    layout = "us,de";
+    xkbModel = "evdev";
+    xkbVariant = "altgr-intl,nodeadkeys";
+    xkbOptions = "grp:caps_toggle";
+
+  };
+
+}
diff --git a/2configs/lass/elster.nix b/2configs/lass/elster.nix
new file mode 100644
index 000000000..1edd01896
--- /dev/null
+++ b/2configs/lass/elster.nix
@@ -0,0 +1,20 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+
+in {
+  users.extraUsers = {
+    elster = {
+      name = "elster";
+      description = "user for running elster-online";
+      home = "/home/elster";
+      useDefaultShell = true;
+      extraGroups = [];
+      createHome = true;
+    };
+  };
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(elster) NOPASSWD: ALL
+  '';
+}
diff --git a/2configs/lass/games.nix b/2configs/lass/games.nix
new file mode 100644
index 000000000..6043a8759
--- /dev/null
+++ b/2configs/lass/games.nix
@@ -0,0 +1,25 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+
+in {
+  environment.systemPackages = with pkgs; [
+    dwarf_fortress
+  ];
+
+  users.extraUsers = {
+    games = {
+      name = "games";
+      description = "user playing games";
+      home = "/home/games";
+      extraGroups = [ "audio" "video" "input" ];
+      createHome = true;
+      useDefaultShell = true;
+    };
+  };
+
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(games) NOPASSWD: ALL
+  '';
+}
diff --git a/2configs/lass/git-repos.nix b/2configs/lass/git-repos.nix
new file mode 100644
index 000000000..94ab6317d
--- /dev/null
+++ b/2configs/lass/git-repos.nix
@@ -0,0 +1,130 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (builtins) map readFile;
+  inherit (lib) concatMap listToAttrs;
+  # TODO lib should already include our stuff
+  inherit (import ../../4lib/tv { inherit lib pkgs; }) addNames git;
+
+  x-repos = [
+    (krebs-private "brain")
+
+    (public "painload")
+    (public "shitment")
+    (public "wai-middleware-time")
+    (public "web-routes-wai-custom")
+
+    (secret "pass")
+
+    (tv-lass "emse-drywall")
+    (tv-lass "emse-hsdb")
+  ];
+
+  users = addNames {
+    tv = { pubkey = readFile ../../Zpubkeys/tv_wu.ssh.pub; };
+    lass = { pubkey = readFile ../../Zpubkeys/lass.ssh.pub; };
+    uriel = { pubkey = readFile ../../Zpubkeys/uriel.ssh.pub; };
+    makefu = { pubkey = readFile ../../Zpubkeys/makefu.ssh.pub; };
+  };
+
+  repos = listToAttrs (map ({ repo, ... }: { name = repo.name; value = repo; }) x-repos);
+
+  rules = concatMap ({ rules, ... }: rules) x-repos;
+
+  krebs-private = repo-name:
+    rec {
+      repo = {
+        name = repo-name;
+        hooks = {
+          post-receive = git.irc-announce {
+            nick = config.networking.hostName; # TODO make this the default
+            channel = "#retiolum";
+            server = "ire.retiolum";
+          };
+        };
+      };
+      rules = with git; with users; [
+        { user = lass;
+          repo = [ repo ];
+          perm = push "refs/*" [ non-fast-forward create delete merge ];
+        }
+        { user = [ tv makefu uriel ];
+          repo = [ repo ];
+          perm = fetch;
+        }
+      ];
+    };
+
+  public = repo-name:
+    rec {
+      repo = {
+        name = repo-name;
+        hooks = {
+          post-receive = git.irc-announce {
+            nick = config.networking.hostName; # TODO make this the default
+            channel = "#retiolum";
+            server = "ire.retiolum";
+          };
+        };
+        public = true;
+      };
+      rules = with git; with users; [
+        { user = lass;
+          repo = [ repo ];
+          perm = push "refs/*" [ non-fast-forward create delete merge ];
+        }
+        { user = [ tv makefu uriel ];
+          repo = [ repo ];
+          perm = fetch;
+        }
+      ];
+    };
+
+  secret = repo-name:
+    rec {
+      repo = {
+        name = repo-name;
+        hooks = {};
+      };
+      rules = with git; with users; [
+        { user = lass;
+          repo = [ repo ];
+          perm = push "refs/*" [ non-fast-forward create delete merge ];
+        }
+        { user = [ uriel ];
+          repo = [ repo ];
+          perm = fetch;
+        }
+      ];
+    };
+
+  tv-lass = repo-name:
+    rec {
+      repo = {
+        name = repo-name;
+        hooks = {};
+      };
+      rules = with git; with users; [
+        { user = lass;
+          repo = [ repo ];
+          perm = push "refs/*" [ non-fast-forward create delete merge ];
+        }
+        { user = [ tv ];
+          repo = [ repo ];
+          perm = fetch;
+        }
+      ];
+    };
+
+in
+
+{
+  imports = [
+    ../../3modules/tv/git.nix
+  ];
+
+  tv.git = {
+    enable = true;
+    inherit repos rules users;
+  };
+}
diff --git a/2configs/lass/gitolite-base.nix b/2configs/lass/gitolite-base.nix
new file mode 100644
index 000000000..b47629956
--- /dev/null
+++ b/2configs/lass/gitolite-base.nix
@@ -0,0 +1,173 @@
+{ config, ... }:
+
+{
+  services.gitolite = {
+    mutable = false;
+    keys = {
+      lass = config.sshKeys.lass.pub;
+      uriel = config.sshKeys.uriel.pub;
+    };
+    rc = ''
+      %RC = (
+          UMASK                           =>  0077,
+          GIT_CONFIG_KEYS                 =>  "",
+          LOG_EXTRA                       =>  1,
+          ROLES => {
+              READERS                     =>  1,
+              WRITERS                     =>  1,
+          },
+          LOCAL_CODE                =>  "$ENV{HOME}/.gitolite",
+          ENABLE => [
+                  'help',
+                  'desc',
+                  'info',
+                  'perms',
+                  'writable',
+                  'ssh-authkeys',
+                  'git-config',
+                  'daemon',
+                  'gitweb',
+                  'repo-specific-hooks',
+          ],
+      );
+      1;
+    '';
+
+    repoSpecificHooks = {
+      irc-announce = ''
+        #! /bin/sh
+        set -euf
+
+        config_file="$GL_ADMIN_BASE/conf/irc-announce.conf"
+        if test -f "$config_file"; then
+          . "$config_file"
+        fi
+
+        # XXX when changing IRC_CHANNEL or IRC_SERVER/_PORT, don't forget to update
+        #     any relevant gitolite LOCAL_CODE!
+        # CAVEAT we hope that IRC_NICK is unique
+        IRC_NICK="''${IRC_NICK-gl$GL_TID}"
+        IRC_CHANNEL="''${IRC_CHANNEL-#retiolum}"
+        IRC_SERVER="''${IRC_SERVER-ire.retiolum}"
+        IRC_PORT="''${IRC_PORT-6667}"
+
+        # for privmsg_cat below
+        export IRC_CHANNEL
+
+        # collect users that are mentioned in the gitolite configuration
+        interested_users="$(perl -e '
+          do "gl-conf";
+          print join(" ", keys%{ $one_repo{$ENV{"GL_REPO"}} });
+        ')"
+
+        # CAVEAT beware of real TABs in grep pattern!
+        # CAVEAT there will never be more than 42 relevant log entries!
+        tab=$(printf '\x09')
+        log="$(tail -n 42 "$GL_LOGFILE" | grep "^[^$tab]*$tab$GL_TID$tab" || :)"
+
+        update_log="$(echo "$log" | grep "^[^$tab]*$tab$GL_TID''${tab}update")"
+
+        # (debug output)
+        env | sed 's/^/env: /'
+        echo "$log" | sed 's/^/log: /'
+
+        # see http://gitolite.com/gitolite/dev-notes.html#lff
+        reponame=$(echo "$update_log" | cut -f 4)
+        username=$(echo "$update_log" | cut -f 5)
+        ref_name=$(echo "$update_log" | cut -f 7 | sed 's|^refs/heads/||')
+        old_sha=$(echo "$update_log" | cut -f 8)
+        new_sha=$(echo "$update_log" | cut -f 9)
+
+        # check if new branch is created
+        if test $old_sha = 0000000000000000000000000000000000000000; then
+          # TODO what should we really show?
+          old_sha=$new_sha^
+        fi
+
+        #
+        git_log="$(git log $old_sha..$new_sha --pretty=oneline --abbrev-commit)"
+        commit_count=$(echo "$git_log" | wc -l)
+
+        # echo2 and cat2 are used output to both, stdout and stderr
+        # This is used to see what we send to the irc server. (debug output)
+        echo2() { echo "$*"; echo "$*" >&2; }
+        cat2() { tee /dev/stderr; }
+
+        # privmsg_cat transforms stdin to a privmsg
+        privmsg_cat() { awk '{ print "PRIVMSG "ENVIRON["IRC_CHANNEL"]" :"$0 }'; }
+
+        # ircin is used to feed the output of netcat back to the "irc client"
+        # so we can implement expect-like behavior with sed^_^
+        # XXX mkselfdestructingtmpfifo would be nice instead of this cruft
+        tmpdir="$(mktemp -d irc-announce_XXXXXXXX)"
+        cd "$tmpdir"
+        mkfifo ircin
+        trap "
+          rm ircin
+          cd '$OLDPWD'
+          rmdir '$tmpdir'
+          trap - EXIT INT QUIT
+        " EXIT INT QUIT
+
+        #
+        #
+        #
+        {
+          echo2 "USER $LOGNAME 0 * :$LOGNAME@$(hostname)"
+          echo2 "NICK $IRC_NICK"
+
+          # wait for MODE message
+          sed -n '/^:[^ ]* MODE /q'
+
+          echo2 "JOIN $IRC_CHANNEL"
+
+          echo "$interested_users" \
+            | tr ' ' '\n' \
+            | grep -v "^$GL_USER" \
+            | sed 's/$/: poke/' \
+            | privmsg_cat \
+            | cat2
+
+          printf '[\x0313%s\x03] %s pushed %s new commit%s to \x036%s %s\x03\n' \
+              "$reponame" \
+              "$username" \
+              "$commit_count" \
+              "$(test $commit_count = 1 || echo s)" \
+              "$(hostname)" \
+              "$ref_name" \
+            | privmsg_cat \
+            | cat2
+
+          echo "$git_log" \
+            | sed 's/^/\x0314/;s/ /\x03 /' \
+            | privmsg_cat \
+            | cat2
+
+          echo2 "PART $IRC_CHANNEL"
+
+          # wait for PART confirmation
+          sed -n '/:'"$IRC_NICK"'![^ ]* PART /q'
+
+          echo2 'QUIT :Gone to have lunch'
+        } < ircin \
+          | nc "$IRC_SERVER" "$IRC_PORT" | tee -a ircin
+      '';
+    };
+    customFiles = [
+      {
+        path = ".gitolite/conf/irc-announce.conf";
+        file = ''
+          IRC_NICK="$(hostname)$GL_TID"
+          case "$GL_REPO" in
+            brain|painload|services|load-env|config)
+              IRC_CHANNEL='#retiolum'
+            ;;
+            *)
+              IRC_CHANNEL='&testing'
+            ;;
+          esac
+        '';
+      }
+    ];
+  };
+}
diff --git a/2configs/lass/ircd.nix b/2configs/lass/ircd.nix
new file mode 100644
index 000000000..c57f7dd5c
--- /dev/null
+++ b/2configs/lass/ircd.nix
@@ -0,0 +1,88 @@
+{ config, pkgs, ... }:
+
+{
+  config.services.charybdis = {
+    enable = true;
+    config = ''
+      serverinfo {
+        name = "ire.irc.retiolum";
+        sid = "4z3";
+        description = "miep!";
+        network_name = "irc.retiolum";
+        network_desc = "Retiolum IRC Network";
+        hub = yes;
+
+        vhost = "0.0.0.0";
+        vhost6 = "::";
+
+        #ssl_private_key = "etc/ssl.key";
+        #ssl_cert = "etc/ssl.cert";
+        #ssl_dh_params = "etc/dh.pem";
+        #ssld_count = 1;
+
+        default_max_clients = 10000;
+        #nicklen = 30;
+      };
+
+      listen {
+        defer_accept = yes;
+
+        /* If you want to listen on a specific IP only, specify host.
+         * host definitions apply only to the following port line.
+         */
+        host = "0.0.0.0";
+        port = 6667;
+        sslport = 6697;
+
+        /* Listen on IPv6 (if you used host= above). */
+        host = "::";
+        port = 6667;
+        sslport = 9999;
+      };
+
+      class "users" {
+        ping_time = 2 minutes;
+        number_per_ident = 200;
+        number_per_ip = 200;
+        number_per_ip_global = 500;
+        cidr_ipv4_bitlen = 24;
+        cidr_ipv6_bitlen = 64;
+        number_per_cidr = 9000;
+        max_number = 10000;
+        sendq = 400 kbytes;
+      };
+
+      exempt {
+        ip = "127.0.0.1";
+      };
+
+      auth {
+        user = "*@*";
+        class = "users";
+        flags = exceed_limit;
+      };
+
+      channel {
+        use_invex = yes;
+        use_except = yes;
+        use_forward = yes;
+        use_knock = yes;
+        knock_delay = 5 minutes;
+        knock_delay_channel = 1 minute;
+        max_chans_per_user = 15;
+        max_bans = 100;
+        max_bans_large = 500;
+        default_split_user_count = 0;
+        default_split_server_count = 0;
+        no_create_on_split = no;
+        no_join_on_split = no;
+        burst_topicwho = yes;
+        kick_on_split_riding = no;
+        only_ascii_channels = no;
+        resv_forcepart = yes;
+        channel_target_change = yes;
+        disable_local_channels = no;
+      };
+    '';
+  };
+}
diff --git a/2configs/lass/mors/repos.nix b/2configs/lass/mors/repos.nix
new file mode 100644
index 000000000..1f7f33456
--- /dev/null
+++ b/2configs/lass/mors/repos.nix
@@ -0,0 +1,87 @@
+{ ... }:
+
+{
+  imports = [
+    ../lass/gitolite-base.nix
+    ../common/krebs-keys.nix
+    ../common/krebs-repos.nix
+  ];
+
+  services.gitolite = {
+    repos = {
+
+      config = {
+        users = {
+          lass = "RW+";
+          uriel = "R";
+          tv = "R";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+      };
+
+      pass = {
+        users = {
+          lass = "RW+";
+          uriel = "R";
+        };
+      };
+
+      load-env = {
+        users = {
+          lass = "RW+";
+          uriel = "R";
+          tv = "R";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+      };
+
+      emse-drywall = {
+        users = {
+          lass = "RW+";
+          uriel = "R";
+          tv = "R";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+      };
+
+      emse-hsdb = {
+        users = {
+          lass = "RW+";
+          uriel = "R";
+          tv = "R";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+      };
+
+      brain = {
+        users = {
+          lass = "RW+";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+        #hooks.post-receive = irc-announce;
+      };
+
+      painload = {
+        users = {
+          lass = "RW+";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+      };
+
+      services = {
+        users = {
+          lass = "RW+";
+        };
+        extraConfig = "option hook.post-receive = irc-announce";
+      };
+
+      xmonad-config = {
+        users = {
+          lass = "RW+";
+          uriel = "R";
+        };
+      };
+
+    };
+  };
+}
diff --git a/2configs/lass/mors/retiolum.nix b/2configs/lass/mors/retiolum.nix
new file mode 100644
index 000000000..1148bee9c
--- /dev/null
+++ b/2configs/lass/mors/retiolum.nix
@@ -0,0 +1,21 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../tv/retiolum
+  ];
+
+  tv.retiolum = {
+    enable = true;
+    hosts = <retiolum-hosts>;
+    privateKeyFile = "/etc/nixos/secrets/mors.retiolum.rsa_key.priv";
+    connectTo = [
+      "fastpoke"
+      "gum"
+      "ire"
+    ];
+  };
+
+  networking.firewall.allowedTCPPorts = [ 655 ];
+  networking.firewall.allowedUDPPorts = [ 655 ];
+}
diff --git a/2configs/lass/pass.nix b/2configs/lass/pass.nix
new file mode 100644
index 000000000..33eca0a17
--- /dev/null
+++ b/2configs/lass/pass.nix
@@ -0,0 +1,10 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    pass
+    gnupg1
+  ];
+
+  services.xserver.startGnuPGAgent = true;
+}
diff --git a/2configs/lass/programs.nix b/2configs/lass/programs.nix
new file mode 100644
index 000000000..41d241bac
--- /dev/null
+++ b/2configs/lass/programs.nix
@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+
+## TODO sort and split up
+{
+  environment.systemPackages = with pkgs; [
+    aria2
+    gnupg1compat
+    htop
+    i3lock
+    mc
+    mosh
+    mpv
+    pass
+    pavucontrol
+    pv
+    pwgen
+    python34Packages.livestreamer
+    remmina
+    silver-searcher
+    wget
+    xsel
+    youtube-dl
+  ];
+}
diff --git a/2configs/lass/sshkeys.nix b/2configs/lass/sshkeys.nix
new file mode 100644
index 000000000..114a2596b
--- /dev/null
+++ b/2configs/lass/sshkeys.nix
@@ -0,0 +1,11 @@
+{ config, ... }:
+
+{
+  imports = [
+    ../../3modules/lass/sshkeys.nix
+  ];
+
+  config.sshKeys.lass.pub = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAp83zynhIueJJsWlSEykVSBrrgBFKq38+vT8bRfa+csqyjZBl2SQFuCPo+Qbh49mwchpZRshBa9jQEIGqmXxv/PYdfBFQuOFgyUq9ZcTZUXqeynicg/SyOYFW86iiqYralIAkuGPfQ4howLPVyjTZtWeEeeEttom6p6LMY5Aumjz2em0FG0n9rRFY2fBzrdYAgk9C0N6ojCs/Gzknk9SGntA96MDqHJ1HXWFMfmwOLCnxtE5TY30MqSmkrJb7Fsejwjoqoe9Y/mCaR0LpG2cStC1+37GbHJNH0caCMaQCX8qdfgMVbWTVeFWtV6aWOaRgwLrPDYn4cHWQJqTfhtPrNQ== lass@mors";
+
+  config.sshKeys.uriel.pub = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDExWuRcltGM2FqXO695nm6/QY3wU3r1bDTyCpMrLfUSym7TxcXDSmZSWcueexPXV6GENuUfjJPZswOdWqIo5u2AXw9t0aGvwEDmI6uJ7K5nzQOsXIneGMdYuoOaAzWI8pxZ4N+lIP1HsOYttIPDp8RwU6kyG+Ud8mnVHWSTO13C7xC9vePnDP6b+44nHS691Zj3X/Cq35Ls0ISC3EM17jreucdP62L3TKk2R4NCm3Sjqj+OYEv0LAqIpgqSw5FypTYQgNByxRcIcNDlri63Q1yVftUP1338UiUfxtraUu6cqa2CdsHQmtX5mTNWEluVWO3uUKTz9zla3rShC+d3qvr lass@uriel";
+}
diff --git a/2configs/lass/steam.nix b/2configs/lass/steam.nix
new file mode 100644
index 000000000..d54873b1f
--- /dev/null
+++ b/2configs/lass/steam.nix
@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+
+{
+
+  imports = [
+    ./games.nix
+  ];
+  #
+  # Steam stuff
+  # source: https://nixos.org/wiki/Talk:Steam
+  #
+  ##TODO: make steam module
+  hardware.opengl.driSupport32Bit = true;
+
+  environment.systemPackages = with pkgs; [
+    steam
+  ];
+  networking.firewall = {
+    allowedUDPPorts = [
+      27031
+      27036
+    ];
+    allowedTCPPorts = [
+      27036
+      27037
+    ];
+  };
+
+}
diff --git a/2configs/lass/texlive.nix b/2configs/lass/texlive.nix
new file mode 100644
index 000000000..295df31cd
--- /dev/null
+++ b/2configs/lass/texlive.nix
@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    (pkgs.texLiveAggregationFun { paths = [ pkgs.texLive pkgs.texLiveFull ]; })
+  ];
+}
diff --git a/2configs/lass/urxvt.nix b/2configs/lass/urxvt.nix
new file mode 100644
index 000000000..a2074ba02
--- /dev/null
+++ b/2configs/lass/urxvt.nix
@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+
+let
+  inherit (config.users.extraUsers) mainUser;
+
+in
+
+{
+  imports = [
+    ../../3modules/lass/urxvtd.nix
+    ../../3modules/lass/xresources.nix
+  ];
+
+  services.urxvtd = {
+    enable = true;
+    users = [ mainUser.name ];
+    urxvtPackage = pkgs.rxvt_unicode_with-plugins;
+  };
+  services.xresources.enable = true;
+  services.xresources.resources.urxvt = ''
+    URxvt*scrollBar:                      false
+    URxvt*urgentOnBell:                   true
+    URxvt*font:                           -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+    URxvt*boldFont:                       -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+    URxvt.perl-ext-common:      default,clipboard,url-select,keyboard-select
+    URxvt.url-select.launcher:  browser-select
+    URxvt.url-select.underline: true
+    URxvt.keysym.M-u:           perl:url-select:select_next
+    URxvt.keysym.M-Escape:      perl:keyboard-select:activate
+    URxvt.keysym.M-s:           perl:keyboard-select:search
+
+    URxvt.intensityStyles: false
+
+    URxvt*background:                     #000000
+    URxvt*foreground:                     #ffffff
+
+    !change unreadable blue
+    URxvt*color4:                         #268bd2
+  '';
+}
diff --git a/2configs/lass/vim.nix b/2configs/lass/vim.nix
new file mode 100644
index 000000000..3fe45e1d1
--- /dev/null
+++ b/2configs/lass/vim.nix
@@ -0,0 +1,118 @@
+{ config, pkgs, ... }:
+
+let
+  customPlugins.mustang2 = pkgs.vimUtils.buildVimPlugin {
+    name = "Mustang2";
+    src = pkgs.fetchFromGitHub {
+      owner = "croaker";
+      repo = "mustang-vim";
+      rev = "6533d7d21bf27cae94d9c2caa575f627f003dfd5";
+      sha256 = "0zlmcrr04j3dkiivrhqi90f618lmnnnpvbz1b9msfs78cmgw9w67";
+    };
+  };
+
+in {
+
+  environment.systemPackages = [
+    (pkgs.vim_configurable.customize {
+      name = "vim";
+
+    vimrcConfig.customRC = ''
+      set nocompatible
+      set t_Co=16
+      syntax on
+      " TODO autoload colorscheme file
+      set background=dark
+      colorscheme mustang
+      filetype off
+      filetype plugin indent on
+
+      imap <F1> <nop>
+
+      set mouse=a
+      set ruler
+      set showmatch
+      set backspace=2
+      set visualbell
+      set encoding=utf8
+      set showcmd
+      set wildmenu
+
+      set title
+      set titleold=
+      set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:p:h\")})%)%(\ %a%)\ -\ %{v:servername}
+
+      set autoindent
+
+      set ttyfast
+
+      set pastetoggle=<INS>
+
+
+      " Force Saving Files that Require Root Permission
+      command! W silent w !sudo tee "%" >/dev/null
+
+      nnoremap <C-c> :q<Return>
+      vnoremap < <gv
+      vnoremap > >gv
+
+      nmap <esc>q :buffer 
+
+      "Tabwidth
+      set ts=2 sts=2 sw=2 et
+
+      " create Backup/tmp/undo dirs
+      function! InitBackupDir()
+        let l:parent = $HOME . '/.vim/'
+        let l:backup = l:parent . 'backups/'
+        let l:tmpdir = l:parent . 'tmp/'
+        let l:undodi = l:parent . 'undo/'
+
+        if !isdirectory(l:parent)
+          call mkdir(l:parent)
+        endif
+        if !isdirectory(l:backup)
+          call mkdir(l:backup)
+        endif
+        if !isdirectory(l:tmpdir)
+          call mkdir(l:tmpdir)
+        endif
+        if !isdirectory(l:undodi)
+          call mkdir(l:undodi)
+        endif
+      endfunction
+      call InitBackupDir()
+
+      " Backups & Files
+      set backup
+      set backupdir=~/.vim/backups
+      set directory=~/.vim/tmp//
+      set viminfo='20,<1000,s100,h,n~/.vim/tmp/info
+      set undodir=$HOME/.vim/undo
+      set undofile
+
+      " highlight whitespaces
+      highlight ExtraWhitespace ctermbg=red guibg=red
+      match ExtraWhitespace /\s\+$/
+      autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
+      autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
+      autocmd InsertLeave * match ExtraWhitespace /\s\+$/
+      autocmd BufWinLeave * call clearmatches()
+
+      "ft specific stuff
+      autocmd BufRead *.js,*.json set ts=2 sts=2 sw=2 et
+      autocmd BufRead *.hs set ts=4 sts=4 sw=4 et
+
+      "esc timeout
+      set timeoutlen=1000 ttimeoutlen=0
+    '';
+
+      vimrcConfig.vam.knownPlugins = pkgs.vimPlugins // customPlugins;
+      vimrcConfig.vam.pluginDictionaries = [
+        { names = [ "Gundo" "commentary" "mustang2" ]; }
+        { names = [ "vim-addon-nix" ]; ft_regex = "^nix\$"; }
+      ];
+
+    })
+  ];
+}
diff --git a/2configs/lass/virtualbox.nix b/2configs/lass/virtualbox.nix
new file mode 100644
index 000000000..026203124
--- /dev/null
+++ b/2configs/lass/virtualbox.nix
@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+
+in {
+  services.virtualboxHost.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/2configs/lass/wine.nix b/2configs/lass/wine.nix
new file mode 100644
index 000000000..8d55da7fd
--- /dev/null
+++ b/2configs/lass/wine.nix
@@ -0,0 +1,23 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+
+in {
+  environment.systemPackages = with pkgs; [
+    wineUnstable
+  ];
+  users.extraUsers = {
+    wine = {
+      name = "wine";
+      description = "user for running wine";
+      home = "/home/wine";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+  };
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(wine) NOPASSWD: ALL
+  '';
+}