Merge remote-tracking branch 'lass/master'

20 files changed, 345 insertions, 183 deletions

diff --git a/lass/1systems/helios/config.nix b/lass/1systems/helios/config.nix
index eb45d92ec..b14ef2a3e 100644
--- a/lass/1systems/helios/config.nix
+++ b/lass/1systems/helios/config.nix
@@ -13,6 +13,9 @@ with import <stockholm/lib>;
     # TODO fix krebs.git.rules.[definition 2-entry 2].lass not defined
     #<stockholm/lass/2configs/git.nix>
     <stockholm/lass/2configs/dcso-vpn.nix>
+    <stockholm/lass/2configs/virtualbox.nix>
+    <stockholm/lass/2configs/dcso-dev.nix>
+    <stockholm/lass/2configs/steam.nix>
     { # automatic hardware detection
       boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
       boot.kernelModules = [ "kvm-intel" ];
@@ -60,6 +63,13 @@ with import <stockholm/lib>;
         maxTime = 9001;
       };
     }
+    {
+      #urban terror port
+      krebs.iptables.tables.filter.INPUT.rules = [
+        { predicate = "-p tcp --dport 27960"; target = "ACCEPT"; }
+        { predicate = "-p udp --dport 27960"; target = "ACCEPT"; }
+      ];
+    }
   ];
   krebs.build.host = config.krebs.hosts.helios;
 
@@ -91,7 +101,6 @@ with import <stockholm/lib>;
   environment.systemPackages = with pkgs; [
     ag
     vim
-    rxvt_unicode
     git
     rsync
     hashPassword
diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix
index b7f0ea554..b18abf509 100644
--- a/lass/1systems/prism/config.nix
+++ b/lass/1systems/prism/config.nix
@@ -285,6 +285,8 @@ in {
         { predicate = "-p udp --dport 25565"; target = "ACCEPT"; }
       ];
     }
+    <stockholm/krebs/2configs/reaktor-krebs.nix>
+    <stockholm/lass/2configs/dcso-dev.nix>
   ];
 
   krebs.build.host = config.krebs.hosts.prism;
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix
index 1638264d9..32a9f66cf 100644
--- a/lass/2configs/baseX.nix
+++ b/lass/2configs/baseX.nix
@@ -7,9 +7,9 @@ in {
     ./mpv.nix
     ./power-action.nix
     ./copyq.nix
-    ./xresources.nix
     ./livestream.nix
     ./dns-stuff.nix
+    ./urxvt.nix
     {
       hardware.pulseaudio = {
         enable = true;
@@ -41,6 +41,11 @@ in {
           default = "-*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-1";
         };
       };
+      config.services.xresources.resources.X = ''
+        *.font:       ${config.lass.fonts.regular}
+        *.boldFont:   ${config.lass.fonts.bold}
+        *.italicFont: ${config.lass.fonts.italic}
+      '';
     }
   ];
 
@@ -64,9 +69,11 @@ in {
     dic
     dmenu
     gi
+    git-preview
     gitAndTools.qgit
-    lm_sensors
     haskellPackages.hledger
+    lm_sensors
+    mpv-poll
     much
     ncdu
     nix-repl
@@ -74,7 +81,7 @@ in {
     pavucontrol
     powertop
     push
-    rxvt_unicode
+    rxvt_unicode_with-plugins
     screengrab
     slock
     sxiv
@@ -97,26 +104,8 @@ in {
     xlibs.fontschumachermisc
   ];
 
+  lass.xserver.enable = true;
   services.xserver = {
-    enable = true;
-
-    desktopManager.xterm.enable = false;
-    desktopManager.default = "none";
-    displayManager.lightdm.enable = true;
-    displayManager.lightdm.autoLogin = {
-      enable = true;
-      user = "lass";
-    };
-    windowManager.default = "xmonad";
-    windowManager.session = [{
-      name = "xmonad";
-      start = ''
-        ${pkgs.xorg.xhost}/bin/xhost +LOCAL:
-        ${pkgs.xmonad-lass}/bin/xmonad &
-        waitPID=$!
-      '';
-    }];
-
     layout = "us";
     xkbModel = "evdev";
     xkbVariant = "altgr-intl";
@@ -127,12 +116,7 @@ in {
     HandleLidSwitch=ignore
   '';
 
-  services.xserver.synaptics = {
-    enable = true;
-    twoFingerScroll = true;
-    accelFactor = "0.035";
-  };
-
   services.urxvtd.enable = true;
+  services.xresources.enable = true;
   lass.screenlock.enable = true;
 }
diff --git a/lass/2configs/browsers.nix b/lass/2configs/browsers.nix
index 6c381863c..a858d3fec 100644
--- a/lass/2configs/browsers.nix
+++ b/lass/2configs/browsers.nix
@@ -5,19 +5,23 @@ let
 
   mainUser = config.users.extraUsers.mainUser;
 
-  browser-select = pkgs.writeScriptBin "browser-select" ''
-    BROWSER=$(echo -e "${concatStringsSep "\\n" (attrNames config.lass.browser.paths)}" | ${pkgs.dmenu}/bin/dmenu)
+  browser-select = let
+    sortedPaths = sort (a: b: a.value.precedence > b.value.precedence)
+                       (mapAttrsToList (name: value: { inherit name value; })
+                                       config.lass.browser.paths);
+  in pkgs.writeScriptBin "browser-select" ''
+    BROWSER=$(echo -e "${concatStringsSep "\\n" (map (getAttr "name") sortedPaths)}" | ${pkgs.dmenu}/bin/dmenu)
     case $BROWSER in
     ${concatMapStringsSep "\n" (n: ''
-      ${n})
-        export BIN=${config.lass.browser.paths.${n}}/bin/${n}
+      ${n.name})
+        export BIN=${n.value.path}/bin/${n.name}
         ;;
-    '') (attrNames config.lass.browser.paths)}
+    '') (sortedPaths)}
     esac
     $BIN "$@"
   '';
 
-  createChromiumUser = name: extraGroups:
+  createChromiumUser = name: extraGroups: precedence:
     let
       bin = pkgs.writeScriptBin name ''
         /var/run/wrappers/bin/sudo -u ${name} -i ${pkgs.chromium}/bin/chromium $@
@@ -31,7 +35,7 @@ let
         useDefaultShell = true;
         createHome = true;
       };
-      lass.browser.paths.${name} = bin;
+      lass.browser.paths.${name}.path = bin;
       security.sudo.extraConfig = ''
         ${mainUser.name} ALL=(${name}) NOPASSWD: ALL
       '';
@@ -40,7 +44,7 @@ let
       ];
     };
 
-  createFirefoxUser = name: extraGroups:
+  createFirefoxUser = name: extraGroups: precedence:
     let
       bin = pkgs.writeScriptBin name ''
         /var/run/wrappers/bin/sudo -u ${name} -i ${pkgs.firefox}/bin/firefox $@
@@ -54,7 +58,10 @@ let
         useDefaultShell = true;
         createHome = true;
       };
-      lass.browser.paths.${name} = bin;
+      lass.browser.paths.${name} = {
+        path = bin;
+        inherit precedence;
+      };
       security.sudo.extraConfig = ''
         ${mainUser.name} ALL=(${name}) NOPASSWD: ALL
       '';
@@ -79,14 +86,24 @@ in {
         type = types.path;
       };
       options.lass.browser.paths = mkOption {
-        type = with types; attrsOf path;
+        type = types.attrsOf (types.submodule ({
+          options = {
+            path = mkOption {
+              type = types.path;
+            };
+            precedence = mkOption {
+              type = types.int;
+              default = 0;
+            };
+          };
+        }));
       };
     }
-    ( createFirefoxUser "ff" [ "audio" ] )
-    ( createChromiumUser "cr" [ "video" "audio" ] )
+    ( createFirefoxUser "ff" [ "audio" ] 10 )
+    ( createChromiumUser "cr" [ "video" "audio" ] 9 )
+    ( createChromiumUser "gm" [ "video" "audio" ] 8 )
     ( createChromiumUser "wk" [ "video" "audio" ] )
     ( createChromiumUser "fb" [ "video" "audio" ] )
-    ( createChromiumUser "gm" [ "video" "audio" ] )
     ( createChromiumUser "com" [ "video" "audio" ] )
   ];
 }
diff --git a/lass/2configs/copyq.nix b/lass/2configs/copyq.nix
index fa01a99c9..cd10313fc 100644
--- a/lass/2configs/copyq.nix
+++ b/lass/2configs/copyq.nix
@@ -21,9 +21,9 @@ let
 in {
   systemd.services.copyq = {
     wantedBy = [ "multi-user.target" ];
-    requires = [ "display-manager.service" ];
+    requires = [ "xserver.service" ];
     environment = {
-      DISPLAY = ":0";
+      DISPLAY = ":${toString config.services.xserver.display}";
     };
     path = with pkgs; [
       qt5.full
diff --git a/lass/2configs/dcso-dev.nix b/lass/2configs/dcso-dev.nix
new file mode 100644
index 000000000..b7fcc7aab
--- /dev/null
+++ b/lass/2configs/dcso-dev.nix
@@ -0,0 +1,48 @@
+{ config, lib, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+  inherit (import <stockholm/lib>) genid;
+
+in {
+  users.extraUsers = {
+    dev = {
+      name = "dev";
+      uid = genid "dev";
+      description = "user for collaborative development";
+      home = "/home/dev";
+      useDefaultShell = true;
+      createHome = true;
+      openssh.authorizedKeys.keys = [
+        config.krebs.users.lass.pubkey
+        "ssh-rsa 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 markus.hihn@dcso.de"
+        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQC1T5+2epslFARSnETdr4wdolA6ocJaD4H9tmz6BZFQKXlwIq+OMp+sSEdwYwW3Lu9+mNbBHPxVVJDWg/We9DXB0ezXPM5Bs1+FcehmkoGwkmgKaFCDt0sL+CfSnog/3wEkN21O/rQxVFqMmiJ7WUDGci6IKCFZ5ZjOsmmfHg5p3LYxU9xv33fNr2v+XauhrGbFtQ7eDz4kSywxN/aw73LN4d8em0V0UV8VPI3Qkw7MamDFwefA+K1TfK8pBzMeruU6N7HLuNkpkAp7kS+K4Zzd72aQtR37a5qMiFUbOxQ9B7iFypuPx0iu6ZwY1s/sM8t3kLmcDJ9O4FOTzlbpneet3as6iJ+Ckr/TlfKor2Tl5pWcXh2FXHoG8VUu5bYmIViJBrKihAlAQfQN0mJ9fdFTnCXVTtbYTy11s4eEVHgUlb7oSpgBnx5bnBONgApbsOX9zyoo8wz8KkZBcf1SQpkV5br8uUAHCcZtHuY6I3kKlv+8lJmgUipiYzMdTi7+dHa49gVEcEKL4ZnJ0msQkl4XT7JjKETLvumC4/TIqVuRu48wuYalkCR9OzxCsTXQ/msBJBztPdYLrEOXVb2HfzuCT+43UuMQ5rP/EoPy0TWQO9BaqfEXqvbOvWjVxj/GMvglQ2ChZTwHxwwTKB8qRVvJLnbZQwizQiSrkzjb6hRJfQ== u0_a165@localhost"
+      ];
+      packages = with pkgs; [
+        emacs25-nox
+
+        (pkgs.symlinkJoin {
+          name = "tmux";
+          paths = [
+            (pkgs.writeDashBin "tmux" ''
+              exec ${pkgs.tmux}/bin/tmux -f ${pkgs.writeText "tmux.conf" ''
+                set-option -g default-terminal screen-256color
+
+                #use session instead of windows
+                bind-key c new-session
+                bind-key p switch-client -p
+                bind-key n switch-client -n
+                bind-key C-s switch-client -l
+              ''} "$@"
+            '')
+            pkgs.tmux
+          ];
+        })
+      ];
+    };
+  };
+
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(dev) NOPASSWD: ALL
+  '';
+}
diff --git a/lass/2configs/hw/gpd-pocket.nix b/lass/2configs/hw/gpd-pocket.nix
new file mode 100644
index 000000000..e3d212741
--- /dev/null
+++ b/lass/2configs/hw/gpd-pocket.nix
@@ -0,0 +1,20 @@
+{ pkgs, ... }:
+
+let
+  dummy_firmware = pkgs.writeTextFile {
+    name = "brcmfmac4356-pcie.txt";
+    text = builtins.readFile ./brcmfmac4356-pcie.txt;
+    destination = "/lib/firmware/brcm/brcmfmac4356-pcie.txt";
+  };
+in {
+  hardware.firmware = [ dummy_firmware ];
+
+  boot.kernelPackages = pkgs.linuxPackages_4_14;
+  boot.kernelParams = [
+    "fbcon=rotate:1"
+  ];
+  services.tlp.enable = true;
+  services.xserver.displayManager.sessionCommands = ''
+    (sleep 2 && ${pkgs.xorg.xrandr}/bin/xrandr --output DSI1 --rotate right)
+  '';
+}
diff --git a/lass/2configs/mail.nix b/lass/2configs/mail.nix
index 91127f737..962efaf3f 100644
--- a/lass/2configs/mail.nix
+++ b/lass/2configs/mail.nix
@@ -76,6 +76,7 @@ let
         "INBOX"     "notmuch://?query=tag:inbox \
                      and NOT to:nix-devel\
                      and NOT to:shackspace\
+                     and NOT to:security\
                      and NOT to:c-base" \
         "shack"     "notmuch://?query=to:shackspace"\
         "c-base"    "notmuch://?query=to:c-base"\
diff --git a/lass/2configs/repo-sync.nix b/lass/2configs/repo-sync.nix
index f3ef23e67..98dbdc227 100644
--- a/lass/2configs/repo-sync.nix
+++ b/lass/2configs/repo-sync.nix
@@ -22,15 +22,22 @@ let
       });
     };
   in {
-    rules = with git; singleton {
-      user = with config.krebs.users; [
-        config.krebs.users."${config.networking.hostName}-repo-sync"
-        lass
-        lass-shodan
-      ];
-      repo = [ repo ];
-      perm = push ''refs/*'' [ non-fast-forward create delete merge ];
-    };
+    rules = with git; [
+      {
+        user = with config.krebs.users; [
+          config.krebs.users."${config.networking.hostName}-repo-sync"
+          lass
+          lass-shodan
+        ];
+        repo = [ repo ];
+        perm = push ''refs/*'' [ non-fast-forward create delete merge ];
+      }
+      {
+        user = attrValues config.krebs.users;
+        repo = [ repo ];
+        perm = fetch;
+      }
+    ];
     repos."${name}" = repo;
   };
 
diff --git a/lass/2configs/urxvt.nix b/lass/2configs/urxvt.nix
index 1358dde7a..ee50b3381 100644
--- a/lass/2configs/urxvt.nix
+++ b/lass/2configs/urxvt.nix
@@ -1,40 +1,32 @@
 { config, pkgs, ... }:
-
-let
-  inherit (config.users.extraUsers) mainUser;
-
-in
+with import <stockholm/lib>;
 
 {
-  imports = [
-    ../3modules/urxvtd.nix
-    ../3modules/xresources.nix
-  ];
-
-  services.urxvtd = {
-    enable = true;
-    users = [ mainUser.name ];
-    urxvtPackage = pkgs.rxvt_unicode_with-plugins;
-  };
-  services.xresources.enable = true;
+  services.urxvtd.enable = true;
+
   services.xresources.resources.urxvt = ''
-    URxvt*scrollBar:                      false
-    URxvt*urgentOnBell:                   true
-    URxvt*font:                           -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
-    URxvt*boldFont:                       -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+    URxvt*SaveLines: 4096
+    URxvt*scrollBar:            false
+    URxvt*urgentOnBell:         true
     URxvt.perl-ext-common:      default,clipboard,url-select,keyboard-select
-    URxvt.url-select.launcher:  browser-select
+
+    ${optionalString (hasAttr "browser" config.lass)
+      "URxvt.url-select.launcher:  ${config.lass.browser.select}/bin/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.intensityStyles:      false
 
-    URxvt*background:                     #000000
-    URxvt*foreground:                     #ffffff
+    URxvt*background:           #000000
+    URxvt*foreground:           #ffffff
 
     !change unreadable blue
-    URxvt*color4:                         #268bd2
+    URxvt*color4:               #268bd2
+
+    URxvt*color0:               #232342
   '';
 }
diff --git a/lass/2configs/wine.nix b/lass/2configs/wine.nix
index 0d2b731ca..d60b1feea 100644
--- a/lass/2configs/wine.nix
+++ b/lass/2configs/wine.nix
@@ -4,10 +4,6 @@ let
   mainUser = config.users.extraUsers.mainUser;
 
 in {
-  krebs.per-user.wine.packages = with pkgs; [
-    wine
-    #(wineFull.override { wineBuild = "wine64"; })
-  ];
   users.users= {
     wine = {
       name = "wine";
@@ -19,9 +15,27 @@ in {
         "video"
       ];
       createHome = true;
+      packages = [
+        pkgs.wine
+      ];
+    };
+    wine64 = {
+      name = "wine64";
+      description = "user for running wine in 64bit";
+      home = "/home/wine64";
+      useDefaultShell = true;
+      extraGroups = [
+        "audio"
+        "video"
+      ];
+      createHome = true;
+      packages = [
+        (pkgs.wine.override { wineBuild = "wineWow"; })
+      ];
     };
   };
   security.sudo.extraConfig = ''
     ${mainUser.name} ALL=(wine) NOPASSWD: ALL
+    ${mainUser.name} ALL=(wine64) NOPASSWD: ALL
   '';
 }
diff --git a/lass/2configs/xresources.nix b/lass/2configs/xresources.nix
deleted file mode 100644
index a3c54f3a1..000000000
--- a/lass/2configs/xresources.nix
+++ /dev/null
@@ -1,63 +0,0 @@
-{ config, pkgs, ... }:
-
-with import <stockholm/lib>;
-
-let
-
-  xresources = pkgs.writeText "Xresources" ''
-    URxvt*scrollBar: false
-    URxvt*urgentOnBell: true
-    URxvt*SaveLines: 4096
-
-    URxvt.font:       ${config.lass.fonts.regular}
-    URxvt.boldFont:   ${config.lass.fonts.bold}
-    URxvt.italicFont: ${config.lass.fonts.italic}
-
-    ! ref https://github.com/muennich/urxvt-perls
-    URxvt.perl-lib: ${pkgs.urxvt_perls}/lib/urxvt/perl
-    URxvt.perl-ext-common:      default,clipboard,url-select,keyboard-select
-    ${optionalString (hasAttr "browser" config.lass)
-      "URxvt.url-select.launcher:  ${config.lass.browser.select}/bin/browser-select"
-    }
-    URxvt.url-select.underline: true
-    URxvt.keysym.M-u:           perl:url-select:select_next
-    URxvt.keysym.M-Escape:      perl:keyboard-select:activate
-    URxvt.keysym.M-s:           perl:keyboard-select:search
-
-    URxvt.intensityStyles: false
-
-    URxvt*background:    #000000
-    URxvt*foreground:    #d0d7d0
-
-    URxvt*cursorColor:   #f042b0
-    URxvt*cursorColor2:  #f0b000
-    URxvt*cursorBlink:   off
-
-    URxvt*.pointerBlank: true
-    URxvt*.pointerBlankDelay: 987654321
-    URxvt*.pointerColor: #f042b0
-    URxvt*.pointerColor2: #050505
-
-    URxvt*color0:        #232342
-  '';
-
-in {
-  systemd.services.xresources = {
-    description = "xresources";
-    wantedBy = [ "multi-user.target" ];
-    after = [ "display-manager.service" ];
-
-    environment = {
-      DISPLAY = ":0";
-    };
-
-    restartIfChanged = true;
-
-    serviceConfig = {
-      Type = "simple";
-      ExecStart = "${pkgs.xorg.xrdb}/bin/xrdb -merge ${xresources}";
-      Restart = "on-failure";
-      User = "lass";
-    };
-  };
-}
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix
index e14e39bc2..81b52c306 100644
--- a/lass/3modules/default.nix
+++ b/lass/3modules/default.nix
@@ -11,6 +11,7 @@ _:
     ./screenlock.nix
     ./umts.nix
     ./usershadow.nix
+    ./xserver
     ./xresources.nix
   ];
 }
diff --git a/lass/3modules/screenlock.nix b/lass/3modules/screenlock.nix
index 06ca1f27d..e16ce9868 100644
--- a/lass/3modules/screenlock.nix
+++ b/lass/3modules/screenlock.nix
@@ -23,7 +23,7 @@ let
       before = [ "sleep.target" ];
       wantedBy = [ "sleep.target" ];
       environment = {
-        DISPLAY = ":0";
+        DISPLAY = ":${toString config.services.xserver.display}";
       };
       serviceConfig = {
         SyslogIdentifier = "screenlock";
diff --git a/lass/3modules/xresources.nix b/lass/3modules/xresources.nix
index 074963022..017dbff2b 100644
--- a/lass/3modules/xresources.nix
+++ b/lass/3modules/xresources.nix
@@ -4,16 +4,13 @@
 #prefix with Attribute Name
 #ex: urxvt
 
-#
-#
 with builtins;
 with lib;
 
 
 let
 
-  inherit (import ../../tv/4lib { inherit pkgs lib; }) shell-escape;
-  inherit (pkgs) writeScript;
+  inherit (pkgs) writeScript writeText;
 
 in
 
@@ -46,12 +43,16 @@ in
   config =
     let
       cfg = config.services.xresources;
-      xres = concatStringsSep "\n" (attrValues cfg.resources);
+      xres = writeText "xresources" (concatStringsSep "\n" (attrValues cfg.resources));
 
     in mkIf cfg.enable {
         services.xserver.displayManager.sessionCommands = ''
-          echo ${shell-escape xres} | xrdb -merge
+          ${pkgs.xorg.xrdb}/bin/xrdb -merge ${xres}
         '';
+        environment.systemPackages = [
+          (pkgs.writeDashBin "updateXresources" ''
+            ${pkgs.xorg.xrdb}/bin/xrdb -merge ${xres}
+          '')
+        ];
       };
-
 }
diff --git a/lass/3modules/xserver/default.nix b/lass/3modules/xserver/default.nix
new file mode 100644
index 000000000..462c6deef
--- /dev/null
+++ b/lass/3modules/xserver/default.nix
@@ -0,0 +1,101 @@
+{ config, pkgs, ... }@args:
+with import <stockholm/lib>;
+let
+
+  out = {
+    options.lass.xserver = api;
+    config = mkIf cfg.enable imp;
+  };
+
+  user = config.krebs.build.user;
+
+  cfg = config.lass.xserver;
+  xcfg = config.services.xserver;
+  api = {
+    enable = mkEnableOption "lass xserver";
+  };
+  imp = {
+
+    services.xserver = {
+      # Don't install feh into systemPackages
+      # refs <nixpkgs/nixos/modules/services/x11/desktop-managers>
+      desktopManager.session = mkForce [];
+
+      enable = true;
+      display = 11;
+      tty = 11;
+    };
+
+    systemd.services.display-manager.enable = false;
+
+    systemd.services.xmonad = {
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "xserver.service" ];
+      environment = {
+        DISPLAY = ":${toString xcfg.display}";
+
+        XMONAD_STARTUP_HOOK = pkgs.writeDash "xmonad-startup-hook" ''
+          ${pkgs.xorg.xhost}/bin/xhost +LOCAL: &
+          ${xcfg.displayManager.sessionCommands}
+          wait
+        '';
+
+        XMONAD_DATA_DIR = "/tmp";
+      };
+      serviceConfig = {
+        SyslogIdentifier = "xmonad";
+        ExecStart = "${pkgs.xmonad-lass}/bin/xmonad";
+        ExecStop = "${pkgs.xmonad-lass}/bin/xmonad --shutdown";
+        User = user.name;
+        WorkingDirectory = user.home;
+      };
+    };
+
+    systemd.services.xserver = {
+      after = [
+        "systemd-udev-settle.service"
+        "local-fs.target"
+        "acpid.service"
+      ];
+      reloadIfChanged = true;
+      environment = {
+        XKB_BINDIR = "${pkgs.xorg.xkbcomp}/bin"; # Needed for the Xkb extension.
+        XORG_DRI_DRIVER_PATH = "/run/opengl-driver/lib/dri"; # !!! Depends on the driver selected at runtime.
+        LD_LIBRARY_PATH = concatStringsSep ":" (
+          [ "${pkgs.xorg.libX11}/lib" "${pkgs.xorg.libXext}/lib" ]
+          ++ concatLists (catAttrs "libPath" xcfg.drivers));
+      };
+      serviceConfig = {
+        SyslogIdentifier = "xserver";
+        ExecReload = "${pkgs.coreutils}/bin/echo NOP";
+        ExecStart = toString [
+          "${pkgs.xorg.xorgserver}/bin/X"
+          ":${toString xcfg.display}"
+          "vt${toString xcfg.tty}"
+          "-config ${import ./xserver.conf.nix args}"
+          "-logfile /dev/null -logverbose 0 -verbose 3"
+          "-nolisten tcp"
+          "-xkbdir ${pkgs.xkeyboard_config}/etc/X11/xkb"
+          (optional (xcfg.dpi != null) "-dpi ${toString xcfg.dpi}")
+        ];
+      };
+    };
+    services.xresources.resources.dpi = ''
+      ${optionalString (xcfg.dpi != null) "Xft.dpi: ${toString xcfg.dpi}"}
+    '';
+    systemd.services.urxvtd = {
+      wantedBy = [ "multi-user.target" ];
+      reloadIfChanged = true;
+      serviceConfig = {
+        SyslogIdentifier = "urxvtd";
+        ExecReload = "${pkgs.coreutils}/bin/echo NOP";
+        ExecStart = "${pkgs.rxvt_unicode_with-plugins}/bin/urxvtd";
+        Restart = "always";
+        RestartSec = "2s";
+        StartLimitBurst = 0;
+        User = user.name;
+      };
+    };
+  };
+
+in out
diff --git a/lass/3modules/xserver/xserver.conf.nix b/lass/3modules/xserver/xserver.conf.nix
new file mode 100644
index 000000000..6f34e0150
--- /dev/null
+++ b/lass/3modules/xserver/xserver.conf.nix
@@ -0,0 +1,40 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+
+let
+  cfg = config.services.xserver;
+in
+
+pkgs.stdenv.mkDerivation {
+  name = "xserver.conf";
+
+  xfs = optionalString (cfg.useXFS != false)
+    ''FontPath "${toString cfg.useXFS}"'';
+
+  inherit (cfg) config;
+
+  buildCommand =
+    ''
+      echo 'Section "Files"' >> $out
+      echo $xfs >> $out
+
+      for i in ${toString config.fonts.fonts}; do
+        if test "''${i:0:''${#NIX_STORE}}" == "$NIX_STORE"; then
+          for j in $(find $i -name fonts.dir); do
+            echo "  FontPath \"$(dirname $j)\"" >> $out
+          done
+        fi
+      done
+
+      for i in $(find ${toString cfg.modules} -type d); do
+        if test $(echo $i/*.so* | wc -w) -ne 0; then
+          echo "  ModulePath \"$i\"" >> $out
+        fi
+      done
+
+      echo 'EndSection' >> $out
+
+      echo "$config" >> $out
+    '';
+}
diff --git a/lass/5pkgs/default.nix b/lass/5pkgs/default.nix
index e0775f076..5b668c88f 100644
--- a/lass/5pkgs/default.nix
+++ b/lass/5pkgs/default.nix
@@ -21,6 +21,9 @@
     xmonad-lass = import ./xmonad-lass.nix { inherit config pkgs; };
     yt-next = pkgs.callPackage ./yt-next/default.nix {};
 
-    screengrab = pkgs.writeDashBin "screengrab" "${pkgs.ffmpeg}/bin/ffmpeg -f x11grab -r 25 -s 1024x768 -i :0.0 -c:v huffyuv $1";
+    screengrab = pkgs.writeDashBin "screengrab" ''
+      resolution="$(${pkgs.xorg.xrandr}/bin/xrandr | ${pkgs.gnugrep}/bin/grep '*' | ${pkgs.gawk}/bin/awk '{print $1}')"
+      ${pkgs.ffmpeg}/bin/ffmpeg -f x11grab -r 25 -i :0.0 -s $resolution -c:v huffyuv $1
+    '';
   };
 }
diff --git a/lass/5pkgs/xmonad-lass.nix b/lass/5pkgs/xmonad-lass.nix
index 478686245..65bec117d 100644
--- a/lass/5pkgs/xmonad-lass.nix
+++ b/lass/5pkgs/xmonad-lass.nix
@@ -3,6 +3,7 @@ pkgs.writeHaskell "xmonad-lass" {
   executables.xmonad = {
     extra-depends = [
       "containers"
+      "extra"
       "unix"
       "X11"
       "xmonad"
@@ -20,17 +21,15 @@ module Main where
 import XMonad
 
 import qualified XMonad.StackSet as W
-import Control.Exception
+import Control.Monad.Extra (whenJustM)
 import Data.List (isInfixOf)
-import System.Environment (getArgs, withArgs)
-import System.IO (hPutStrLn, stderr)
+import System.Environment (getArgs, lookupEnv)
 import System.Posix.Process (executeFile)
 import XMonad.Actions.CopyWindow (copy, kill1)
 import XMonad.Actions.CycleWS (toggleWS)
 import XMonad.Actions.DynamicWorkspaces ( addWorkspacePrompt, renameWorkspace, removeEmptyWorkspace)
 import XMonad.Actions.DynamicWorkspaces (withWorkspace)
 import XMonad.Actions.GridSelect (GSConfig(..), gridselectWorkspace, navNSearch)
-import XMonad.Actions.UpdatePointer (updatePointer)
 import XMonad.Hooks.FloatNext (floatNext)
 import XMonad.Hooks.FloatNext (floatNextHook)
 import XMonad.Hooks.ManageDocks (avoidStruts, ToggleStruts(ToggleStruts))
@@ -48,28 +47,30 @@ import XMonad.Layout.SimpleFloat (simpleFloat)
 import XMonad.Stockh