Merge remote-tracking branch 'origin/staging/jeschli'

66 files changed, 838 insertions, 409 deletions

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..c96fec739
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "submodules/nix-writers"]
+	path = submodules/nix-writers
+	url = http://cgit.krebsco.de/nix-writers
diff --git a/jeschli/5pkgs/simple/xmonad-jeschli/default.nix b/jeschli/5pkgs/simple/xmonad-jeschli/default.nix
index fa03fd4d4..5aa3c2f96 100644
--- a/jeschli/5pkgs/simple/xmonad-jeschli/default.nix
+++ b/jeschli/5pkgs/simple/xmonad-jeschli/default.nix
@@ -1,5 +1,5 @@
 { pkgs, ... }:
-pkgs.writeHaskell "xmonad-jeschli" {
+pkgs.writeHaskellPackage "xmonad-jeschli" {
   executables.xmonad = {
     extra-depends = [
       "containers"
diff --git a/jeschli/source.nix b/jeschli/source.nix
index 29cf9d818..fc1413ee4 100644
--- a/jeschli/source.nix
+++ b/jeschli/source.nix
@@ -7,6 +7,7 @@ host@{ name, secure ? false, override ? {} }: let
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
 in
diff --git a/krebs/1systems/onebutton/config.nix b/krebs/1systems/onebutton/config.nix
index dca00a206..b87aef5a3 100644
--- a/krebs/1systems/onebutton/config.nix
+++ b/krebs/1systems/onebutton/config.nix
@@ -16,6 +16,36 @@
       services.nixosManual.enable = false;
       services.journald.extraConfig = "SystemMaxUse=50M";
     }
+    {
+      systemd.services.mpc-booter = let
+        mpc = "${pkgs.mpc_cli}/bin/mpc -h mpd.shack -p 6600";
+        url = "http://lassul.us:8000/radio.ogg";
+        say = pkgs.writeDash "say" ''
+          tmpfile=$(${pkgs.coreutils}/bin/mktemp)
+          echo "$@" > $tmpfile
+          ${pkgs.curl}/bin/curl -i -H "content-type: text/plain" -X POST -d "@$tmpfile" gobbelz.shack/say/
+          rm "$tmpfile"
+        '';
+      in {
+        wantedBy = [ "multi-user.target" ];
+        after = [ "network-online.target" ];
+        serviceConfig = {
+          RemainAfterExit = "yes";
+          Type = "oneshot";
+          ExecStart = pkgs.writeDash "mpc-boot" ''
+            until ${mpc} stats;do
+              echo "waiting for mpd.shack to appear"
+              sleep 1
+            done
+            ${say} "Willkommen im Shack wertes Mitglied"
+
+            ${say} "Lassulus Super Radio wurde gestartet"
+            ${mpc} add ${url}
+            ${mpc} play
+          '';
+        };
+      };
+    }
   ];
   krebs.build.host = config.krebs.hosts.onebutton;
   # NixOS wants to enable GRUB by default
diff --git a/krebs/1systems/onebutton/source.nix b/krebs/1systems/onebutton/source.nix
index 8f25881c9..6842bfaab 100644
--- a/krebs/1systems/onebutton/source.nix
+++ b/krebs/1systems/onebutton/source.nix
@@ -4,7 +4,7 @@ let
   nixpkgs = pkgs.fetchFromGitHub {
     owner = "nixos";
     repo = "nixpkgs-channels";
-    rev = "6c064e6b"; # only binary cache for unstable arm6
+    rev = "nixos-unstable"; # only binary cache for unstable arm6
     sha256 = "1rqzh475xn43phagrr30lb0fd292c1s8as53irihsnd5wcksnbyd";
   };
 in import <stockholm/krebs/source.nix> {
diff --git a/krebs/2configs/buildbot-stockholm.nix b/krebs/2configs/buildbot-stockholm.nix
index 04b1c999f..62a5f9ab5 100644
--- a/krebs/2configs/buildbot-stockholm.nix
+++ b/krebs/2configs/buildbot-stockholm.nix
@@ -63,6 +63,7 @@ in
       grab_repo = steps.Git(
           repourl=stockholm_repo,
           mode='full',
+          submodules=True,
       )
     '';
     builder = {
diff --git a/krebs/2configs/reaktor-krebs.nix b/krebs/2configs/reaktor-krebs.nix
index fa51b84f0..d80fd0eb1 100644
--- a/krebs/2configs/reaktor-krebs.nix
+++ b/krebs/2configs/reaktor-krebs.nix
@@ -13,6 +13,7 @@ with import <stockholm/lib>;
     };
     plugins = with pkgs.ReaktorPlugins; [
       sed-plugin
+      taskwarrior
     ] ++
       (attrValues (todo "agenda"))
     ;
diff --git a/krebs/3modules/git.nix b/krebs/3modules/git.nix
index ba0924681..5ae24b40b 100644
--- a/krebs/3modules/git.nix
+++ b/krebs/3modules/git.nix
@@ -484,7 +484,7 @@ let
 
   reponames = rules: sort lessThan (unique (map (x: x.repo.name) rules));
 
-  # TODO use `writeOut`
+  # TODO use pkgs.write (from nix-writers)
   scriptFarm =
     farm-name: scripts:
     let
diff --git a/krebs/3modules/krebs/default.nix b/krebs/3modules/krebs/default.nix
index a938f8ec9..e6eb3d287 100644
--- a/krebs/3modules/krebs/default.nix
+++ b/krebs/3modules/krebs/default.nix
@@ -174,5 +174,8 @@ in {
       mail = "spam@krebsco.de";
       pubkey = ''ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCwuAZB3wtAvBJFYh+gWdyGaZU4mtqM2dFXmh2rORlbXeh02msu1uv07ck1VKkQ4LgvCBcBsAOeVa1NTz99eLqutwgcqMCytvRNUCibcoEWwHObsK53KhDJj+zotwlFhnPPeK9+EpOP4ngh/tprJikttos5BwBwe2K+lfiid3fmVPZcTTYa77nCwijimMvWEx6CEjq1wiXMUc4+qcEn8Swbwomz/EEQdNE2hgoC3iMW9RqduTFdIJWnjVi0KaxenX9CvQRGbVK5SSu2gwzN59D/okQOCP6+p1gL5r3QRHSLSSRiEHctVQTkpKOifrtLZGSr5zArEmLd/cOVyssHQPCX repo-sync@wolf'';
     };
+    buildbotSlave = {
+      pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIP7cre2crQMI6O4XtIfIiGl1GUqIi060fJlOQJgG0/NH";
+    };
   };
 }
diff --git a/krebs/3modules/lass/default.nix b/krebs/3modules/lass/default.nix
index fd74983fa..e2322e171 100644
--- a/krebs/3modules/lass/default.nix
+++ b/krebs/3modules/lass/default.nix
@@ -66,6 +66,7 @@ with import <stockholm/lib>;
           ions                60 IN A      ${config.krebs.hosts.prism.nets.internet.ip4.addr}
           paste               60 IN A      ${config.krebs.hosts.prism.nets.internet.ip4.addr}
           lol                 60 IN A      ${config.krebs.hosts.prism.nets.internet.ip4.addr}
+          radio               60 IN A      ${config.krebs.hosts.prism.nets.internet.ip4.addr}
         '';
       };
       nets = rec {
diff --git a/krebs/3modules/makefu/default.nix b/krebs/3modules/makefu/default.nix
index d7a750c6e..c5404f96d 100644
--- a/krebs/3modules/makefu/default.nix
+++ b/krebs/3modules/makefu/default.nix
@@ -520,6 +520,38 @@ with import <stockholm/lib>;
       ssh.privkey.path = <secrets/ssh.id_ed25519>;
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN5ZmJSypW3LXIJ67DdbxMxCfLtORFkl5jEuD131S5Tr";
     };
+    nextgum = rec {
+      ci = true;
+      cores = 8;
+      nets = rec {
+        internet = {
+          ip4.addr = "144.76.26.247";
+          ip6.addr = "2a01:4f8:191:12f6::2";
+          aliases = [
+            "nextgum.i"
+          ];
+        };
+        retiolum = {
+          via = internet;
+          ip4.addr = "10.243.0.213";
+          ip6.addr = "42:f9f0:0000:0000:0000:0000:0000:70d3";
+          aliases = [
+            "nextgum.r"
+          ];
+          tinc.pubkey = ''
+            -----BEGIN RSA PUBLIC KEY-----
+            MIIBCgKCAQEAucCebFmS96WorD+Br4UQudmAhMlLpacErjwA/u2argBTT2nGHTR8
+            aN4e0xf3IYLA+iogLIW/JuQfKLe8evEK21iZ3jleW8N7mbCulhasi/0lqWlirrpO
+            npJAiSNF1m7ijoylkEKxtmehze+8ojprUT2hx1ImMlHMWGxvs+TmBbZBMgxAGMJh
+            6cMMDJQi+4d9XrJQ3+XUVK3MkviLA91oIAXsLdFptL6b12siUaz4StQXDJUHemBF
+            3ZwlO+W2Es69ifEhmV6NaDDRcSRdChGbHTz1OU8wYaFNaxWla/iprQQ+jEUldpcN
+            VC18QGYRUAgZ0PCIpKurjWNehJFB3zXt+wIDAQAB
+            -----END RSA PUBLIC KEY-----
+          '';
+        };
+      };
+      ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIcxWFEPzke/Sdd9qNX6rSJgXal8NmINYajpFCxXfYdj root@gum";
+    };
 
     gum = rec {
       ci = true;
diff --git a/krebs/5pkgs/simple/Reaktor/plugins.nix b/krebs/5pkgs/simple/Reaktor/plugins.nix
index c39e39799..7573c9256 100644
--- a/krebs/5pkgs/simple/Reaktor/plugins.nix
+++ b/krebs/5pkgs/simple/Reaktor/plugins.nix
@@ -120,7 +120,7 @@ rec {
   url-title = (buildSimpleReaktorPlugin "url-title" {
     pattern = "^.*(?P<args>http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+).*$$";
     path = with pkgs; [ curl perl ];
-    script = pkgs.writePython3 [ "beautifulsoup4" "lxml" ] "url-title" ''
+    script = pkgs.writePython3 "url-title" [ "beautifulsoup4" "lxml" ] ''
       import sys
       import urllib.request
       from bs4 import BeautifulSoup
@@ -141,6 +141,19 @@ rec {
     '';
   });
 
+  taskwarrior = buildSimpleReaktorPlugin "task" {
+    pattern = "^task: (?P<args>.*)$$";
+    script = let
+      taskrc = "$HOME/.taskrc";
+    in
+      pkgs.writeDash "task-wrapper" ''
+        if [ -f ${taskrc} ] ; then
+          touch ${taskrc}
+        fi
+        ${pkgs.taskwarrior}/bin/task "$*"
+      '';
+  };
+
   todo = name: {
     add = buildSimpleReaktorPlugin "${name}-add" {
       pattern = "^${name}-add: (?P<args>.*)$$";
diff --git a/krebs/5pkgs/simple/brain/default.nix b/krebs/5pkgs/simple/brain/default.nix
index e69b44f0f..9b125862b 100644
--- a/krebs/5pkgs/simple/brain/default.nix
+++ b/krebs/5pkgs/simple/brain/default.nix
@@ -1,6 +1,6 @@
-{ pass, writeOut, writeDash, ... }:
+{ pass, write, writeDash, ... }:
 
-writeOut "brain" {
+write "brain" {
   "/bin/brain".link = writeDash "brain" ''
     PASSWORD_STORE_DIR=$HOME/brain \
     exec ${pass}/bin/pass $@
diff --git a/krebs/5pkgs/simple/cholerab/default.nix b/krebs/5pkgs/simple/cholerab/default.nix
new file mode 100644
index 000000000..94514fe44
--- /dev/null
+++ b/krebs/5pkgs/simple/cholerab/default.nix
@@ -0,0 +1,7 @@
+{ fetchgit, callPackage }: let
+  src = fetchgit {
+    url = "https://github.com/krebs/cholerab";
+    rev = "25d7ef051d6fc74d99b155e768b3c650296a230c";
+    sha256 = "1pymw7v2ql42iq825ccx98s4fp9jsz5b2hjr1qad6bamfc6i7yy9";
+  };
+in callPackage src {}
diff --git a/krebs/5pkgs/simple/ftb/default.nix b/krebs/5pkgs/simple/ftb/default.nix
index c2e83c9f4..ab7d6e651 100644
--- a/krebs/5pkgs/simple/ftb/default.nix
+++ b/krebs/5pkgs/simple/ftb/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl
 , jre, libX11, libXext, libXcursor, libXrandr, libXxf86vm
 , openjdk
-, mesa, openal
+, mesa_glu, openal
 , useAlsa ? false, alsaOss ? null }:
 with stdenv.lib;
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
     #!${stdenv.shell}
 
     export _JAVA_AWT_WM_NONREPARENTING=1
-    export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:${makeLibraryPath [ libX11 libXext libXcursor libXrandr libXxf86vm mesa openal ]}
+    export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:${makeLibraryPath [ libX11 libXext libXcursor libXrandr libXxf86vm mesa_glu openal ]}
     ${if useAlsa then "${alsaOss}/bin/aoss" else "" } \
       ${jre}/bin/java -jar $out/ftb.jar
     EOF
diff --git a/krebs/5pkgs/simple/pass/default.nix b/krebs/5pkgs/simple/pass/default.nix
index 3b6928087..c2fe0e1d7 100644
--- a/krebs/5pkgs/simple/pass/default.nix
+++ b/krebs/5pkgs/simple/pass/default.nix
@@ -35,12 +35,12 @@ let
   );
 
 in stdenv.mkDerivation rec {
-  version = "1.7.1";
-  name    = "pass-${version}";
+  version = "1.7.2";
+  name    = "password-store-${version}";
 
   src = fetchurl {
     url    = "http://git.zx2c4.com/password-store/snapshot/${name}.tar.xz";
-    sha256 = "0scqkpll2q8jhzcgcsh9kqz0gwdpvynivqjmmbzax2irjfaiklpn";
+    sha256 = "1sl0d7nc85c6c2bmmmyb8rpmn47vhkj831l153mjlkawjvhwas27";
   };
 
   patches = [ ./set-correct-program-name-for-sleep.patch
diff --git a/krebs/5pkgs/simple/stockholm/default.nix b/krebs/5pkgs/simple/stockholm/default.nix
index 9afe79510..c973386d6 100644
--- a/krebs/5pkgs/simple/stockholm/default.nix
+++ b/krebs/5pkgs/simple/stockholm/default.nix
@@ -225,6 +225,6 @@
 
 in
 
-  pkgs.writeOut "stockholm" (lib.mapAttrs' (name: link:
+  pkgs.write "stockholm" (lib.mapAttrs' (name: link:
     lib.nameValuePair "/bin/${name}" { inherit link; }
   ) cmds)
diff --git a/krebs/5pkgs/simple/thesauron/default.nix b/krebs/5pkgs/simple/thesauron/default.nix
deleted file mode 100644
index d543319f2..000000000
--- a/krebs/5pkgs/simple/thesauron/default.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-{ fetchgit, callPackage }: let
-  src = fetchgit {
-    url = "https://github.com/krebs/thesauron";
-    rev = "8ac22588cf2c20465e3c9348e7ce04885599c2a5";
-    "sha256"= "1ivkjl235dnm5aaqqvarnxkz7zh0gvah22b0fqwlsflrcd5wmgva";
-  };
-in callPackage src {}
diff --git a/krebs/5pkgs/writers.nix b/krebs/5pkgs/writers.nix
deleted file mode 100644
index 1939bf854..000000000
--- a/krebs/5pkgs/writers.nix
+++ /dev/null
@@ -1,318 +0,0 @@
-pkgs: oldpkgs:
-with import <stockholm/lib>;
-  {
-    execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: let
-    in pkgs.writeC name { inherit destination; } /* c */ ''
-      #include <unistd.h>
-
-      static char *const filename = ${toC filename};
-
-      ${if argv == null
-        then /* Propagate arguments */ /* c */ ''
-          #define MAIN_ARGS int argc, char **argv
-        ''
-        else /* Provide fixed arguments */ /* c */ ''
-          #define MAIN_ARGS void
-          static char *const argv[] = ${toC (argv ++ [null])};
-        ''}
-
-      static char *const envp[] = ${toC (
-        mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
-      )};
-
-      int main (MAIN_ARGS) {
-        execve(filename, argv, envp);
-        return -1;
-      }
-    '';
-
-    execveBin = name: cfg:
-      pkgs.execve name (cfg // { destination = "/bin/${name}"; });
-
-    makeScriptWriter = { interpreter, check ? null }: name: text:
-      assert (with types; either absolute-pathname filename).check name;
-      pkgs.writeOut (baseNameOf name) {
-        ${optionalString (types.absolute-pathname.check name) name} = {
-          inherit check;
-          executable = true;
-          text = "#! ${interpreter}\n${text}";
-        };
-      };
-
-    writeBash = name: text:
-      assert (with types; either absolute-pathname filename).check name;
-      pkgs.writeOut (baseNameOf name) {
-        ${optionalString (types.absolute-pathname.check name) name} = {
-          executable = true;
-          text = "#! ${pkgs.bash}/bin/bash\n${text}";
-        };
-      };
-
-    writeBashBin = name:
-      assert types.filename.check name;
-      pkgs.writeBash "/bin/${name}";
-
-    writeC = name: { destination ? "" }: text: pkgs.runCommand name {
-      inherit text;
-      passAsFile = [ "text" ];
-    } /* sh */ ''
-      PATH=${makeBinPath (with pkgs; [
-        # TODO remove if everyone migrated to 18.03
-        (if hasAttr "binutils-unwrapped" pkgs then binutils-unwrapped else binutils)
-        coreutils
-        gcc
-      ])}
-      exe=$out${destination}
-      mkdir -p "$(dirname "$exe")"
-      gcc -O -Wall -o "$exe" -x c "$textPath"
-      strip --strip-unneeded "$exe"
-    '';
-
-    writeDash = pkgs.makeScriptWriter {
-      interpreter = "${pkgs.dash}/bin/dash";
-    };
-
-    writeDashBin = name:
-      assert types.filename.check name;
-      pkgs.writeDash "/bin/${name}";
-
-    writeEximConfig = name: text: pkgs.runCommand name {
-      inherit text;
-      passAsFile = [ "text" ];
-    } /* sh */ ''
-      # TODO validate exim config even with config.nix.useChroot == true
-      # currently doing so will fail because "user exim was not found"
-      #${pkgs.exim}/bin/exim -C "$textPath" -bV >/dev/null
-      mv "$textPath" $out
-    '';
-
-    writeOut = name: specs0:
-    let
-      writers.link =
-        { path
-        , link
-        }:
-        assert path == "" || types.absolute-pathname.check path;
-        assert types.package.check link;
-        {
-          install = /* sh */ ''
-            ${optionalString (path != "") /* sh */ ''
-              ${pkgs.coreutils}/bin/mkdir -p $out${dirOf path}
-            ''}
-            ${pkgs.coreutils}/bin/ln -s ${link} $out${path}
-          '';
-        };
-
-      writers.text =
-        { path
-        , check ? null
-        , executable ? false
-        , mode ? if executable then "0755" else "0644"
-        , text
-        }:
-        assert path == "" || types.absolute-pathname.check path;
-        assert types.bool.check executable;
-        assert types.file-mode.check mode;
-        rec {
-          var = "file_${hashString "sha1" path}";
-          val = text;
-          install = /* sh */ ''
-            ${optionalString (check != null) /* sh */ ''
-              ${check} ''$${var}Path
-            ''}
-            ${pkgs.coreutils}/bin/install \
-                -m ${mode} \
-                -D \
-                ''$${var}Path $out${path}
-          '';
-        };
-
-      write = spec: writers.${spec.type} (removeAttrs spec ["type"]);
-
-      specs =
-        mapAttrsToList
-          (path: spec: let
-            known-types = [ "link" "text" ];
-            found-types = attrNames (getAttrs known-types spec);
-            type = assert length found-types == 1; head found-types;
-          in spec // { inherit path type; })
-          specs0;
-
-      files = map write specs;
-
-      filevars = genAttrs' (filter (hasAttr "var") files)
-                           (spec: nameValuePair spec.var spec.val);
-
-      env = filevars // { passAsFile = attrNames filevars; };
-    in
-      # Use a subshell because <nixpkgs/stdenv/generic/setup.sh>'s genericBuild
-      # sources (or evaluates) the buildCommand and we don't want to modify its
-      # shell.  In particular, exitHandler breaks in multiple ways with set -u.
-      pkgs.runCommand name env /* sh */ ''
-        (
-          set -efu
-          ${concatMapStringsSep "\n" (getAttr "install") files}
-        )
-      '';
-
-    writeHaskell =
-      k:
-      let
-        k' = parseDrvName k;
-        name = k'.name;
-        version = if k'.version != "" then k'.version else "0";
-      in
-      { base-depends ? ["base"]
-      , executables ? {}
-      , ghc-options ? ["-Wall" "-O3" "-threaded" "-rtsopts"]
-      , haskellPackages ? pkgs.haskellPackages
-      , library ? null
-      , license ? "WTFPL"
-      }:
-      let
-        isExecutable = executables != {};
-        isLibrary = library != null;
-
-        cabal-file = pkgs.writeText "${name}-${version}.cabal" /* cabal */ ''
-          build-type: Simple
-          cabal-version: >= 1.2
-          name: ${name}
-          version: ${version}
-          ${concatStringsSep "\n" (mapAttrsToList exe-section executables)}
-          ${optionalString isLibrary (lib-section library)}
-        '';
-
-        exe-install =
-          exe-name:
-          { file ? pkgs.writeText "${name}-${exe-name}.hs" text
-          , relpath ? "${exe-name}.hs"
-          , text
-          , ... }:
-          if types.filename.check exe-name
-            then /* sh */ "install -D ${file} $out/${relpath}"
-            else throw "argument ‘exe-name’ is not a ${types.filename.name}";
-
-        exe-section =
-          exe-name:
-          { build-depends ? base-depends ++ extra-depends
-          , extra-depends ? []
-          , file ? pkgs.writeText "${name}-${exe-name}.hs" text
-          , relpath ? "${exe-name}.hs"
-          , text
-          , ... }: /* cabal */ ''
-            executable ${exe-name}
-              build-depends: ${concatStringsSep "," build-depends}
-              ghc-options: ${toString ghc-options}
-              main-is: ${relpath}
-          '';
-
-        get-depends =
-          { build-depends ? base-depends ++ extra-depends
-          , extra-depends ? []
-          , ...
-          }:
-          build-depends;
-
-        lib-install =
-          { exposed-modules
-          , ... }:
-          concatStringsSep "\n" (mapAttrsToList mod-install exposed-modules);
-
-        lib-section =
-          { build-depends ? base-depends ++ extra-depends
-          , extra-depends ? []
-          , exposed-modules
-          , ... }: /* cabal */ ''
-            library
-              build-depends: ${concatStringsSep "," build-depends}
-              ghc-options: ${toString ghc-options}
-              exposed-modules: ${concatStringsSep "," (attrNames exposed-modules)}
-          '';
-
-        mod-install =
-          mod-name:
-          { file ? pkgs.writeText "${name}-${mod-name}.hs" text
-          , relpath ? "${replaceStrings ["."] ["/"] mod-name}.hs"
-          , text
-          , ... }:
-          if types.haskell.modid.check mod-name
-            then /* sh */ "install -D ${file} $out/${relpath}"
-            else throw "argument ‘mod-name’ is not a ${types.haskell.modid.name}";
-      in
-        haskellPackages.mkDerivation {
-          inherit isExecutable isLibrary license version;
-          executableHaskellDepends =
-            attrVals
-              (concatMap get-depends (attrValues executables))
-              haskellPackages;
-          libraryHaskellDepends =
-            attrVals
-              (optionals isLibrary (get-depends library))
-              haskellPackages;
-          pname = name;
-          src = pkgs.runCommand "${name}-${version}-src" {} /* sh */ ''
-            install -D ${cabal-file} $out/${cabal-file.name}
-            ${optionalString isLibrary (lib-install library)}
-            ${concatStringsSep "\n" (mapAttrsToList exe-install executables)}
-          '';
-        };
-
-    writeJq = name: text:
-      assert (with types; either absolute-pathname filename).check name;
-      pkgs.writeOut (baseNameOf name) {
-        ${optionalString (types.absolute-pathname.check name) name} = {
-          check = pkgs.writeDash "jqcheck.sh" ''
-            exec ${pkgs.jq}/bin/jq -f "$1" < /dev/null
-          '';
-          inherit text;
-        };
-      };
-
-    writeJSON = name: value: pkgs.runCommand name {
-      json = toJSON value;
-      passAsFile = [ "json" ];
-    } /* sh */ ''
-      ${pkgs.jq}/bin/jq . "$jsonPath" > "$out"
-    '';
-
-    writeNixFromCabal =
-      trace (toString [
-        "The function `writeNixFromCabal` has been deprecated in favour of"
-        "`writeHaskell`."
-      ])
-      (name: path: pkgs.runCommand name {} /* sh */ ''
-        ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out
-      '');
-
-    writePython2 = deps:
-    let
-      py = pkgs.python2.withPackages(ps: attrVals deps ps);
-    in
-    pkgs.makeScriptWriter {
-      interpreter = "${py}/bin/python";
-      check = pkgs.writeDash "python2check.sh" ''
-        exec ${pkgs.python2Packages.flake8}/bin/flake8 --show-source "$1"
-      '';
-    };
-
-    writePython2Bin = d: name:
-      pkgs.writePython2 d "/bin/${name}";
-
-    writePython3 = deps:
-    let
-      py = pkgs.python3.withPackages(ps: attrVals deps ps);
-    in
-    pkgs.makeScriptWriter {
-      interpreter = "${py}/bin/python";
-      check = pkgs.writeDash "python3check.sh" ''
-        exec ${pkgs.python3Packages.flake8}/bin/flake8 --show-source "$1"
-      '';
-    };
-
-    writePython3Bin = d: name:
-      pkgs.writePython3 d "/bin/${name}";
-
-    writeSed = pkgs.makeScriptWriter {
-      interpreter = "${pkgs.gnused}/bin/sed -f";
-    };
-  }
diff --git a/krebs/default.nix b/krebs/default.nix
index 55bf66f77..d99f60aaa 100644
--- a/krebs/default.nix
+++ b/krebs/default.nix
@@ -3,6 +3,10 @@ with import <stockholm/lib>;
 {
   imports = [
     ./3modules
+    {
+      nixpkgs.config.packageOverrides =
+        import ../submodules/nix-writers/pkgs pkgs;
+    }
   ];
   nixpkgs.config.packageOverrides = import ./5pkgs pkgs;
 }
diff --git a/krebs/krops.nix b/krebs/krops.nix
index 97cd6a939..6a8a05726 100644
--- a/krebs/krops.nix
+++ b/krebs/krops.nix
@@ -12,7 +12,7 @@
 
   krebs-source = {
     nixpkgs.git = {
-      ref = "7295e175bf6c6e8aa54f1b4d99256ee95d13d385";
+      ref = "91b286c8935b8c5df4a99302715200d3bd561977";
       url = https://github.com/NixOS/nixpkgs;
     };
     stockholm.file = toString ../.;
diff --git a/krebs/source.nix b/krebs/source.nix
index 2aaa27b2b..5b86e89c6 100644
--- a/krebs/source.nix
+++ b/krebs/source.nix
@@ -7,6 +7,7 @@ host@{ name, secure ? false, override ? {} }: let
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
 in
diff --git a/lass/1systems/cabal/config.nix b/lass/1systems/cabal/config.nix
index 64c179e67..6a8040c9d 100644
--- a/lass/1systems/cabal/config.nix
+++ b/lass/1systems/cabal/config.nix
@@ -8,11 +8,6 @@
     <stockholm/lass/2configs/retiolum.nix>
     <stockholm/lass/2configs/exim-retiolum.nix>
     <stockholm/lass/2configs/baseX.nix>
-    <stockholm/lass/2configs/browsers.nix>
-    <stockholm/lass/2configs/programs.nix>
-    <stockholm/lass/2configs/fetchWallpaper.nix>
-    <stockholm/lass/2configs/games.nix>
-    <stockholm/lass/2configs/bitcoin.nix>
     <stockholm/lass/2configs/AP.nix>
     <stockholm/lass/2configs/blue-host.nix>
   ];
diff --git a/lass/1systems/mors/config.nix b/lass/1systems/mors/config.nix
index 97e69146e..065ab2396 100644
--- a/lass/1systems/mors/config.nix
+++ b/lass/1systems/mors/config.nix
@@ -29,6 +29,7 @@ with import <stockholm/lib>;
     <stockholm/lass/2configs/c-base.nix>
     <stockholm/lass/2configs/br.nix>
     <stockholm/lass/2configs/ableton.nix>
+    <stockholm/lass/2configs/starcraft.nix>
     <stockholm/lass/2configs/dunst.nix>
     <stockholm/lass/2configs/rtl-sdr.nix>
     <stockholm/lass/2configs/backup.nix>
@@ -179,4 +180,9 @@ with import <stockholm/lib>;
     };
   });
   virtualisation.libvirtd.enable = true;
+
+  services.earlyoom = {
+    enable = true;
+    freeMemThreshold = 5;
+  };
 }
diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix
index 9a0bb49e9..2626ebf33 100644
--- a/lass/1systems/prism/config.nix
+++ b/lass/1systems/prism/config.nix
@@ -195,6 +195,16 @@ with import <stockholm/lib>;
             jeschli-bolide
             jeschli-brauerei
           ];
+          repo = [ config.krebs.git.repos.xmonad-stockholm ];
+          perm = with git; push "refs/heads/jeschli*" [ fast-forward non-fast-forward create delete merge ];
+        }
+        {
+          user = with config.krebs.users; [
+            jeschli
+            jeschli-bln
+            jeschli-bolide
+            jeschli-brauerei
+          ];
           repo = [ config.krebs.git.repos.stockholm ];
           perm = with git; push "refs/heads/staging/jeschli*" [ fast-forward non-fast-forward create delete merge ];
         }
@@ -281,6 +291,18 @@ with import <stockholm/lib>;
       ];
     }
     {
+      services.nginx = {
+        enable = true;
+        virtualHosts."radio.lassul.us" = {
+          forceSSL = true;
+          enableACME = true;
+          locations."/".extraConfig = ''
+            proxy_pass http://localhost:8000;
+          '';
+        };
+      };
+    }
+    {
       lass.nichtparasoup.enable = true;
       services.nginx = {
         enable = true;
@@ -341,6 +363,14 @@ with import <stockholm/lib>;
         { predicate = "-p udp --dport 60000:61000"; target = "ACCEPT";}
       ];
     }
+    {
+      services.murmur.enable = true;
+      services.murmur.registerName = "lassul.us";
+      krebs.iptables.tables.filter.INPUT.rules = [
+        { predicate = "-p tcp --dport 64738"; target = "ACCEPT";}
+      ];
+
+    }
   ];
 
   krebs.build.host = config.krebs.hosts.prism;
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix
index afdefaa45..7d04827f0 100644
--- a/lass/2configs/baseX.nix
+++ b/lass/2configs/baseX.nix
@@ -71,8 +71,10 @@ in {
     ag
     bank
     cabal2nix
+    cholerab
     dic
     dmenu
+    font-size
     gi
     gitAndTools.qgit
     git-preview
@@ -81,6 +83,7 @@ in {
     mpv-poll
     much
     ncdu
+    nix-index
     nix-repl
     nmap
     pavucontrol
@@ -91,7 +94,6 @@ in {
     sxiv
     taskwarrior
     termite
-    thesauron
     timewarrior
     xclip
     xephyrify
diff --git a/lass/2configs/blue-host.nix b/lass/2configs/blue-host.nix
index 657234bc1..83c235f3e 100644
--- a/lass/2configs/blue-host.nix
+++ b/lass/2configs/blue-host.nix
@@ -5,6 +5,7 @@ with import <stockholm/lib>;
   imports = [
     <stockholm/lass/2configs/container-networking.nix>
   ];
+  systemd.services."container@blue".reloadIfChanged = mkForce false;
   containers.blue = {
     config = { ... }: {
       environment.systemPackages = [ pkgs.git ];
diff --git a/lass/2configs/dcso-dev.nix b/lass/2configs/dcso-dev.nix
index b985b67b3..0996d21c1 100644
--- a/lass/2configs/dcso-dev.nix
+++ b/lass/2configs/dcso-dev.nix
@@ -9,7 +9,7 @@ in {
     dev = {
       name = "dev";
       uid = genid "dev";
-      extraGroups = [ "docker" ];
+      extraGroups = [ "docker" "vboxusers" ];
       description = "user for collaborative development";
       home = "/home/dev";
       useDefaultShell = true;
@@ -54,10 +54,13 @@ in {
   krebs.per-user.dev.packages = [
     pkgs.go
   ];
+  environment.variables.GOPATH = "$HOME/go";
 
   security.sudo.extraConfig = ''
     ${mainUser.name} ALL=(dev) NOPASSWD: ALL
   '';
 
-  services.minio.enable = true;
+  networking.interfaces.et0.ipv4.addresses = [
+    { address = "10.99.23.1"; prefixLength = 24; }
+  ];
 }
diff --git a/lass/2configs/dunst.nix b/lass/2configs/dunst.nix
index 6d3d839bc..18a22e1da 100644
--- a/lass/2configs/dunst.nix
+++ b/lass/2configs/dunst.nix
@@ -188,21 +188,21 @@ let
     foreground = "#3B7C87"
     background = "#191311"
     #background = "#2B313C"
-    timeout = 0
+    timeout = 1
 
     [urgency_normal]
     frame_color = "#5B8234"
     foreground = "#5B8234"
     background = "#191311"
     #background = "#2B313C"
-    timeout = 0
+    timeout = 1
 
     [urgency_critical]
     frame_color = "#B7472A"
     foreground = "#B7472A"
     background = "#191311"
     #background = "#2B313C"
-    timeout = 0
+    timeout = 1
 
 
     # Every section that isn't one of the above is interpreted as a rules to
diff --git a/lass/2configs/git.nix b/lass/2configs/git.nix
index 72cfd5e75..707796dd9 100644
--- a/lass/2configs/git.nix
+++ b/lass/2configs/git.nix
@@ -61,6 +61,10 @@ let
       cgit.desc = "krebs deployment";
       cgit.section = "software";
     };
+    xmonad-stockholm = {
+      cgit.desc = "krebs xmonad modules";
+      cgit.section = "configuration";
+    };
   } // mapAttrs make-public-repo-silent {
     nixos-aws = {
       collaborators = [ {
diff --git a/lass/2configs/logf.nix b/lass/2configs/logf.nix
index 24b806efa..f141a94f5 100644
--- a/lass/2configs/logf.nix
+++ b/lass/2configs/logf.nix
@@ -11,7 +11,7 @@ let
     cloudkrebs = "119";
   };
   urgent = [
-    "\\blass@mors\\b"
+    "\\blass@blue\\b"
   ];
 in {
   environment.systemPackages = [
diff --git a/lass/2configs/mc.nix b/lass/2configs/mc.nix
index 3bd1852a8..eb457b7d3 100644
--- a/lass/2configs/mc.nix
+++ b/lass/2configs/mc.nix
@@ -326,7 +326,7 @@ in {
       name = "mc";
       paths = [
         (pkgs.writeDashBin "mc" ''
-          export MC_DATADIR=${pkgs.writeOut "mc-ext" {
+          export MC_DATADIR=${pkgs.write "mc-ext" {
               "/mc.ext".link = mcExt;
               "/sfs.ini".text = "";
           }};
diff --git a/lass/2configs/reaktor-coders.nix b/lass/2configs/reaktor-coders.nix
index 5a39f7115..86877df7a 100644
--- a/lass/2configs/reaktor-coders.nix
+++ b/lass/2configs/reaktor-coders.nix
@@ -65,7 +65,7 @@ with import <stockholm/lib>;
       })
       (buildSimpleReaktorPlugin "random-unicorn-porn" {
         pattern = "^!rup$$";
-        script = pkgs.writePython2 [] "rup" ''
+        script = pkgs.writePython2 "rup" [] ''
           t1 = """
                               _.
                            ;=',_ ()
@@ -100,6 +100,12 @@ with import <stockholm/lib>;
           exec echo 'DID SOMEBODY SAY BLOCKCHAIN? https://paste.krebsco.de/r99pMoQq/+inline'
         '';
       })
+      (buildSimpleReaktorPlugin "shrug" {
+        pattern = "^!shrug$";
+        script = pkgs.writeDash "shrug" ''
+          exec echo '¯\_(ツ)_/¯'
+        '';
+      })
     ];
   };
 }
diff --git a/lass/2configs/repo-sync.nix b/lass/2configs/repo-sync.nix
index 615f5a728..6a07172fe 100644
--- a/lass/2configs/repo-sync.nix
+++ b/lass/2configs/repo-sync.nix
@@ -27,6 +27,7 @@ let
         user = with config.krebs.users; [
           config.krebs.users."${config.networking.hostName}-repo-sync"
           lass
+          lass-mors
           lass-shodan
         ];
         repo = [ repo ];
@@ -136,5 +137,6 @@ in {
     (sync-retiolum "stockholm")
     (sync-retiolum "wai-middleware-time")
     (sync-retiolum "xmonad-stockholm")
+    (sync-retiolum "nix-writers")
   ];
 }
diff --git a/lass/2configs/starcraft.nix b/lass/2configs/starcraft.nix
new file mode 100644
index 000000000..742b877e8
--- /dev/null
+++ b/lass/2configs/starcraft.nix
@@ -0,0 +1,53 @@
+{ config, pkgs, ... }: let
+  mainUser = config.users.extraUsers.mainUser;
+  newWine = pkgs.wineStaging;
+  #newWine = pkgs.wineStaging.overrideAttrs (old: {
+  #  name = "wine-3.7";
+  #  buildInputs = old.buildInputs ++ [
+  #    pkgs.libuuid.bin
+  #    pkgs.autoconf.out
+  #  ];
+  #  src = pkgs.fetchurl {
+  #    url = "https://dl.winehq.org/wine/source/3.x/wine-3.7.tar.xz";
+  #    sha256 = "1drbzk3y0m14lkq3vzwwkvain5shykgcbmyzh6gcb5r4sxh3givn";
+  #  };
+  #  postPatch = old.postPatch or "" + ''
+  #    patchShebangs tools
+  #    cp -r ${pkgs.fetchFromGitHub {
+  #      sha256 = "0kam73jqhah7bzji5csxxhhfdp6byhzpcph6xnzjqz2aic5xk7xi";
+  #      owner = "wine-staging";
+  #      repo = "wine-staging";
+  #      rev = "v3.7";
+  #    }}/patches .
+  #    chmod +w patches
+  #    cd patches
+  #    patchShebangs gitapply.sh
+  #    ./patchinstall.sh DESTDIR="$PWD/.." --all
+  #    cd ..
+  #  '';
+
+  #});
+  #newWine = (import (builtins.fetchGit {
+  #  url = "https://github.com/NixOS/nixpkgs";
+  #  rev = "696c6bed4e8e2d9fd9b956dea7e5d49531e9d13f";
+  #}) {}).wineStaging;
+in {
+  users.users= {
+    starcraft = {
+      isNormalUser = true;
+      extraGroups = [
+        "audio"
+        "video"
+      ];
+      packages = [
+        newWine
+        pkgs.winetricks
+        pkgs.mpg123
+      ];
+    };
+  };
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(starcraft) NOPASSWD: ALL
+  '';
+}
+
diff --git a/lass/2configs/urxvt.nix b/lass/2configs/urxvt.nix
index fc4537140..90d28d650 100644
--- a/lass/2configs/urxvt.nix
+++ b/lass/2configs/urxvt.nix
@@ -5,7 +5,7 @@ with import <stockholm/lib>;
   services.urxvtd.enable = true;
 
   krebs.xresources.resources.urxvt = ''
-    URxvt*SaveLines: 4096
+    URxvt*SaveLines: 1000000
     URxvt*scrollBar:            false
     URxvt*urgentOnBell:         true
     URxvt.perl-ext-common:      default,clipboard,url-select,keyboard-select
@@ -19,6 +19,12 @@ with import <stockholm/lib>;
     URxvt.keysym.M-Escape:      perl:keyboard-select:activate
     URxvt.keysym.M-s:           perl:keyboard-select:search
 
+    URxvt.keysym.M-F1: command:\033]710;-*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-1\007\033]711;-*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-1\007
+    URxvt.keysym.M-F2: command:\033]710;xft:Monospace:size=15\007\033]711;xft:Monospace:size=15:bold\007
+    URxvt.keysym.M-F3: command:\033]710;xft:Monospace:size=20\007\033]711;xft:Monospace:size=20:bold\007
+    URxvt.keysym.M-F4: command:\033]710;xft:Monospace:size=25\007\033]711;xft:Monospace:size=25:bold\007
+    URxvt.keysym.M-F5: command:\033]710;xft:Monospace:size=30\007\033]711;xft:Monospace:size=30:bold\007
+
     URxvt.intensityStyles:      false
 
     URxvt*background:           #000000
diff --git a/lass/2configs/virtualbox.nix b/lass/2configs/virtualbox.nix
index 8171def2d..cfb835d78 100644
--- a/lass/2configs/virtualbox.nix
+++ b/lass/2configs/virtualbox.nix
@@ -15,7 +15,7 @@ in {
       description = "user for running VirtualBox";
       home = "/home/virtual";
       useDefaultShell = true;
-      extraGroups = [ "vboxusers" "audio" ];
+      extraGroups = [ "vboxusers" "audio" "video" ];
       createHome = true;
     };
   };
diff --git a/lass/2configs/websites/lassulus.nix b/lass/2configs/websites/lassulus.nix
index 53f1eea5c..f60a66952 100644
--- a/lass/2configs/websites/lassulus.nix
+++ b/lass/2configs/websites/lassulus.nix
@@ -66,6 +66,22 @@ in {
     locations."/tinc".extraConfig = ''
       alias ${config.krebs.tinc_graphs.workingDir}/external;
     '';
+    locations."/urlaubyay2018".extraConfig = ''
+      autoindex on;
+      alias /srv/http/lassul.us-media/india2018;
+      auth_basic "Restricted Content";
+      auth_basic_user_file ${pkgs.writeText "pics-user-pass" ''
+        paolo:$apr1$aQ6mYNR3$ho.aJ7icqSO.y.xKo3GQf0
+      ''};
+    '';
+    locations."/heilstadt".extraConfig = ''
+      autoindex on;
+      alias /srv/http/lassul.us-media/grabowsee2018;
+      auth_basic "Restricted Content";
+      auth_basic_user_file ${pkgs.writeText "pics-user-pass" ''
+        c-base:$apr1$aQ6mYNR3$ho.aJ7icqSO.y.xKo3GQf0
+      ''};
+    '';
     # TODO make this work!
     locations."= /ddate".extraConfig = let
       script = pkgs.writeBash "test" ''
diff --git a/lass/2configs/websites/util.nix b/lass/2configs/websites/util.nix
index 816449c14..a807f7160 100644
--- a/lass/2configs/websites/util.nix
+++ b/lass/2configs/websites/util.nix
@@ -194,7 +194,7 @@ rec {
     in {
       services.nginx.virtualHosts."${domain}" = {
         enableACME = true;
-        addSSL = true;
+        forceSSL = true;
         serverAliases = domains;
         extraConfig = ''
           root /srv/http/${domain}/;
diff --git a/lass/2configs/wine.nix b/lass/2configs/wine.nix
index dd82b34eb..71a5cdda9 100644
--- a/lass/2configs/wine.nix
+++ b/lass/2configs/wine.nix
@@ -17,6 +17,7 @@ in {
       createHome = true;
       packages = [
         pkgs.wine
+        pkgs.winetricks
       ];
     };
   };
diff --git a/lass/3modules/usershadow.nix b/lass/3modules/usershadow.nix
index fc9e63e31..cb2890969 100644
--- a/lass/3modules/usershadow.nix
+++ b/lass/3modules/usershadow.nix
@@ -45,7 +45,7 @@
       "pwstore-fast"
       "bytestring"
     ];
-    body = pkgs.writeHaskell "passwords" {
+    body = pkgs.writeHaskellPackage "passwords" {
       executables.verify_pam = {
         extra-depends = deps;
         text = ''
diff --git a/lass/3modules/xjail.nix b/lass/3modules/xjail.nix
index 325ebcc99..8f5f05bc2 100644
--- a/lass/3modules/xjail.nix
+++ b/lass/3modules/xjail.nix
@@ -41,10 +41,14 @@ with import <stockholm/lib>;
           type = types.path;
           default = pkgs.writeScript "echo_lol" "echo lol";
         };
+        vglrun = mkOption {
+          type = types.bool;
+          default = false;
+        };
         wm = mkOption {
           #TODO find type
           type = types.string;
-          default = "${pkgs.writeHaskell "xephyrify-xmonad" {
+          default = "${pkgs.writeHaskellPackage "xephyrify-xmonad" {
             executables.xmonad = {
               extra-depends = [
                 "containers"
@@ -116,9 +120,11 @@ with import <stockholm/lib>;
           ${pkgs.coreutils}/bin/kill $WM_PID
           ${pkgs.coreutils}/bin/kill $XEPHYR_PID
         '';
-        sudo_ = pkgs.writeDash "${cfg.name}-sudo" ''
+        sudo_ = pkgs.writeDash "${cfg.name}-sudo" (if cfg.vglrun then ''
           /var/run/wrappers/bin/sudo -u ${cfg.name} -i ${vglrun_} "$@"
-        '';
+        '' else ''
+          /var/run/wrappers/bin/sudo -u ${cfg.name} -i env DISPLAY=:${cfg.display} ${cfg.script} "$@"
+        '');
         vglrun_ = pkgs.writeDash "${cfg.name}-vglrun" ''
           DISPLAY=:${cfg.display} ${pkgs.virtualgl}/bin/vglrun ${cfg.extraVglrunArgs} ${cfg.script} "$@"
         '';
diff --git a/lass/5pkgs/custom/xmonad-lass/default.nix b/lass/5pkgs/custom/xmonad-lass/default.nix
index 868c1072a..694f3c033 100644
--- a/lass/5pkgs/custom/xmonad-lass/default.nix
+++ b/lass/5pkgs/custom/xmonad-lass/default.nix
@@ -1,5 +1,5 @@
 { config, pkgs, ... }:
-pkgs.writeHaskell "xmonad-lass" {
+pkgs.writeHaskellPackage "xmonad-lass" {
   executables.xmonad = {
     extra-depends = [
       "containers"
@@ -48,7 +48,8 @@ import XMonad.Util.EZConfig (additionalKeysP)
 import XMonad.Util.NamedWindows (getName)
 import XMonad.Util.Run (safeSpawn)
 
-import XMonad.Stockholm.Shutdown
+import XMonad.Stockholm.Shutdown (handleShutdownEvent, sendShutdownEvent)
+import XMonad.Stockholm.Pager (defaultWindowColors, pager, MatchMethod(MatchPrefix), PagerConfig(..))
 
 data LibNotifyUrgencyHook = LibNotifyUrgencyHook deriving (Read, Show)
 
@@ -129,8 +130,8 @@ myKeyMap =
     , ("M4-f", floatNext True)
     , ("M4-b", sendMessage ToggleStruts)
 
-    , ("M4-v", withWorkspace autoXPConfig (windows . W.greedyView))
-    , ("M4-S-v", withWorkspace autoXPConfig (windows . W.shift))
+    , ("M4-v", gets windowset >>= allWorkspaceNames >>= pager pagerConfig (windows . W.view) )
+    , ("M4-S-v", gets windowset >>= allWorkspaceNames >>= pager pagerConfig (windows . W.shift) )
     , ("M4-C-v", withWorkspace autoXPConfig (windows . copy))
 
     , ("M4-m", withFocused minimizeWindow)
@@ -183,6 +184,21 @@ infixAutoXPConfig = autoXPConfig
     { searchPredicate = isInfixOf
     }
 
+pagerConfig :: PagerConfig
+pagerConfig = def
+    { pc_font           = myFont
+    , pc_cellwidth      = 64
+    , pc_matchmethod    = MatchPrefix
+    , pc_windowColors   = windowColors
+    }
+    where
+    windowColors _ _ _ True _ = ("#ef4242","#ff2323")
+    windowColors wsf m c u wf = do
+        let y = defaultWindowColors wsf m c u wf
+        if m == False && wf == True
+            then ("#402020", snd y)
+            else y
+
 gridConfig :: GSConfig WorkspaceId
 gridConfig = def
     { gs_cellwidth = 100
@@ -191,6 +207,10 @@ gridConfig = def
     , gs_navigate = navNSearch
     , gs_font = myFont
     }
+
+allWorkspaceNames :: W.StackSet i l a sid sd -> X [i]
+allWorkspaceNames ws =
+    return $ map W.tag (W.hidden ws) ++ [W.tag $ W.workspace $ W.current ws]
     '';
   };
 }
diff --git a/lass/5pkgs/dpass/default.nix b/lass/5pkgs/dpass/default.nix
index 7e75d50c7..c1e803bcb 100644
--- a/lass/5pkgs/dpass/default.nix
+++ b/lass/5pkgs/dpass/default.nix
@@ -1,6 +1,6 @@
-{ pass, writeOut, writeDash, ... }:
+{ pass, write, writeDash, ... }:
 
-writeOut "dsco-pass" {
+write "dsco-pass" {
   "/bin/dpass".link = writeDash "dpass" ''
     PASSWORD_STORE_DIR=$HOME/.dpasswordstore \
     exec ${pass}/bin/pass $@
diff --git a/lass/5pkgs/xephyrify/default.nix b/lass/5pkgs/xephyrify/default.nix
index 8d6036843..20c546dbb 100644
--- a/lass/5pkgs/xephyrify/default.nix
+++ b/lass/5pkgs/xephyrify/default.nix
@@ -1,8 +1,8 @@
-{ writeDashBin, writeHaskell, coreutils, xorg, virtualgl, ... }:
+{ writeDashBin, writeHaskellPackage, coreutils, xorg, virtualgl, ... }:
 
 let
 
-  xephyrify-xmonad = writeHaskell "xephyrify-xmonad" {
+  xephyrify-xmonad = writeHaskellPackage "xephyrify-xmonad" {
     executables.xmonad = {
       extra-depends = [
         "containers"
diff --git a/lass/source.nix b/lass/source.nix
index e7991da2a..49f919faf 100644
--- a/lass/source.nix
+++ b/lass/source.nix
@@ -7,6 +7,7 @@ host@{ name, secure ? false, override ? {} }: let
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
 in
diff --git a/makefu/0tests/data/secrets/nsupdate-hub.nix b/makefu/0tests/data/secrets/nsupdate-hub.nix
new file mode 100644
index 000000000..e76c0e87e
--- /dev/null
+++ b/makefu/0tests/data/secrets/nsupdate-hub.nix
@@ -0,0 +1 @@
+{ "lol" = "wut"; }
diff --git a/makefu/0tests/data/secrets/uhub.sql b/makefu/0tests/data/secrets/uhub.sql
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/makefu/0tests/data/secrets/uhub.sql
diff --git a/makefu/1systems/gum/config.nix b/makefu/1systems/gum/config.nix
index 9b6d9d571..998ecd0fb 100644
--- a/makefu/1systems/gum/config.nix
+++ b/makefu/1systems/gum/config.nix
@@ -2,28 +2,13 @@
 
 with import <stockholm/lib>;
 let
-  # hw-specific
-  external-mac = "2a:c5:6e:d2:fc:7f";
-  main-disk = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0";
-  external-gw = "185.194.140.1";
-  # single partition, label "nixos"
-  # cd /var/src; curl https://github.com/nixos/nixpkgs/tarball/809cf38 -L | tar zx ; mv * nixpkgs && touch .populate
-
-
-  # static
   external-ip = config.krebs.build.host.nets.internet.ip4.addr;
-  external-ip6 = config.krebs.build.host.nets.internet.ip6.addr;
-  external-gw6 = "fe80::1";
-  external-netmask = 22;
-  external-netmask6 = 64;
-  internal-ip = config.krebs.build.host.nets.retiolum.ip4.addr;
-  ext-if = "et0"; # gets renamed on the fly
+  ext-if = config.makefu.server.primary-itf;
 in {
   imports = [
       <stockholm/makefu>
-      <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
+      ./hardware-config.nix
       <stockholm/makefu/2configs/headless.nix>
-      <stockholm/makefu/2configs/fs/single-partition-ext4.nix>
       # <stockholm/makefu/2configs/smart-monitor.nix>
 
       <stockholm/makefu/2configs/git/cgit-retiolum.nix>
@@ -49,6 +34,7 @@ in {
       # <stockholm/makefu/2configs/sabnzbd.nix>
       <stockholm/makefu/2configs/torrent.nix>
       <stockholm/makefu/2configs/mosh.nix>
+      # <stockholm/makefu/2configs/retroshare.nix>
 
       # network
       <stockholm/makefu/2configs/vpn/openvpn-server.nix>
@@ -90,6 +76,15 @@ in {
       <stockholm/makefu/2configs/syncthing.nix>
 
       # <stockholm/makefu/2configs/opentracker.nix>
+      <stockholm/makefu/2configs/hub.nix>
+      { # ncdc
+        environment.systemPackages = [ pkgs.ncdc ];
+        networking.firewall = {
+          allowedUDPPorts = [ 51411 ];
+          allowedTCPPorts = [ 51411 ];
+        };
+      }
+
       <stockholm/makefu/2configs/stats/client.nix>
       # <stockholm/makefu/2configs/logging/client.nix>
 
@@ -187,7 +182,6 @@ in {
     ];
   };
 
-  makefu.server.primary-itf = ext-if;
 
   # access
   users.users = {
@@ -200,6 +194,7 @@ in {
     weechat
     bepasty-client-cli
     get
+    tmux
   ];
   services.bitlbee = {
     enable = true;
@@ -207,15 +202,8 @@ in {
   };
 
   # Hardware
-  boot.loader.grub.device = main-disk;
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "sd_mod" "sr_mod" ];
-  boot.kernelModules = [ "kvm-intel" ];
 
   # Network
-  services.udev.extraRules = ''
-    SUBSYSTEM=="net", ATTR{address}=="${external-mac}", NAME="${ext-if}"
-  '';
-  boot.kernelParams = [ ];
   networking = {
     firewall = {
         allowPing = true;
@@ -249,19 +237,8 @@ in {
           21032
         ];
     };
-    interfaces."${ext-if}" = {
-      ip4 = [{
-        address = external-ip;
-        prefixLength = external-netmask;
-      }];
-      ip6 = [{
-        address = external-ip6;
-        prefixLength = external-netmask6;
-      }];
-    };
-    defaultGateway6 = external-gw6;
-    defaultGateway = external-gw;
     nameservers = [ "8.8.8.8" ];
   };
-
+  users.users.makefu.extraGroups = [ "download" "nginx" ];
+  boot.tmpOnTmpfs = true;
 }
diff --git a/makefu/1systems/gum/hardware-config.nix b/makefu/1systems/gum/hardware-config.nix
new file mode 100644
index 000000000..a40709169
--- /dev/null
+++ b/makefu/1systems/gum/hardware-config.nix
@@ -0,0 +1,46 @@
+{ config, ... }:
+let
+  external-mac = "2a:c5:6e:d2:fc:7f";
+  main-disk = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0";
+  external-gw = "185.194.140.1";
+  # single partition, label "nixos"
+  # cd /var/src; curl https://github.com/nixos/nixpkgs/tarball/809cf38 -L | tar zx ; mv * nixpkgs && touch .populate
+
+
+  # static
+  external-ip = config.krebs.build.host.nets.internet.ip4.addr;
+  external-ip6 = config.krebs.build.host.nets.internet.ip6.addr;
+  external-gw6 = "fe80::1";
+  external-netmask = 22;
+  external-netmask6 = 64;
+  internal-ip = config.krebs.build.host.nets.retiolum.ip4.addr;
+  ext-if = "et0"; # gets renamed on the fly
+in {
+  imports = [
+      <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
+      <stockholm/makefu/2configs/fs/single-partition-ext4.nix>
+  ];
+
+  makefu.server.primary-itf = ext-if;
+  services.udev.extraRules = ''
+    SUBSYSTEM=="net", ATTR{address}=="${external-mac}", NAME="${ext-if}"
+  '';
+  networking = {
+    interfaces."${ext-if}" = {
+      ipv4.addresses = [{
+        address = external-ip;
+        prefixLength = external-netmask;
+      }];
+      ipv6.addresses = [{
+        address = external-ip6;
+        prefixLength = external-netmask6;
+      }];
+    };
+    defaultGateway6 = external-gw6;
+    defaultGateway = external-gw;
+  };
+  boot.kernelParams = [ ];
+  boot.loader.grub.device = main-disk;
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "sd_mod" "sr_mod" ];
+  boot.kernelModules = [ "kvm-intel" ];
+}
diff --git a/makefu/1systems/kexec/config.nix b/makefu/1systems/kexec/config.nix
new file mode 100644
index 000000000..5bf19f978
--- /dev/null
+++ b/makefu/1systems/kexec/config.nix
@@ -0,0 +1,25 @@
+{ config, pkgs, lib, ... }:
+
+with import <stockholm/lib>;
+{
+  imports = [
+    <stockholm/makefu>
+    # <stockholm/makefu/2configs/tools/core.nix>
+    <nixpkgs/nixos/modules/installer/netboot/netboot-minimal.nix>
+    <clever_kexec/kexec/kexec.nix>
+  ];
+  # cd ~/stockholm ; nix-build '<nixpkgs/nixos>' -A config.system.build.kexec_tarball -j 4 -I nixos-config=makefu/1systems/iso.nix -I secrets=/home/makefu/secrets/iso
+
+  krebs.build.host = config.krebs.hosts.iso;
+  krebs.hidden-ssh.enable = true;
+  environment.extraInit = ''
+    EDITOR=vim
+  '';
+  services.openssh = {
+    enable = true;
+    hostKeys = [
+      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+    ];
+  };
+  systemd.services.sshd.wantedBy = lib.mkForce [ "multi-user.target" ];
+}
diff --git a/makefu/1systems/kexec/source.nix b/makefu/1systems/kexec/source.nix
new file mode 100644
index 000000000..e200dbfd2
--- /dev/null
+++ b/makefu/1systems/kexec/source.nix
@@ -0,0 +1,3 @@
+import <stockholm/makefu/source.nix> {
+  name="iso";
+}
diff --git a/makefu/1systems/nextgum/config.nix b/makefu/1systems/nextgum/config.nix
new file mode 100644
index 000000000..a23ccf7b2
--- /dev/null
+++ b/makefu/1systems/nextgum/config.nix
@@ -0,0 +1,247 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  external-ip = config.krebs.build.host.nets.internet.ip4.addr;
+  ext-if = config.makefu.server.primary-itf;
+in {
+  imports = [
+      <stockholm/makefu>
+      ./hardware-config.nix
+      ./transfer-config.nix
+      <stockholm/makefu/2configs/headless.nix>
+      # <stockholm/makefu/2configs/smart-monitor.nix>
+
+      # Security
+      <stockholm/makefu/2configs/sshd-totp.nix>
+
+      # Tools
+      <stockholm/makefu/2configs/tools/core.nix>
+      <stockholm/makefu/2configs/tools/dev.nix>
+      <stockholm/makefu/2configs/tools/sec.nix>
+      <stockholm/makefu/2configs/vim.nix>
+      <stockholm/makefu/2configs/zsh-user.nix>
+      <stockholm/makefu/2configs/mosh.nix>
+
+      <stockholm/makefu/2configs/git/cgit-retiolum.nix>
+      <stockholm/makefu/2configs/backup.nix>
+      <stockholm/makefu/2configs/exim-retiolum.nix>
+      <stockholm/makefu/2configs/tinc/retiolum.nix>
+      # services
+      <stockholm/makefu/2configs/sabnzbd.nix>
+
+      # sharing
+      <stockholm/makefu/2configs/share/gum.nix>
+      <stockholm/makefu/2configs/torrent.nix>
+      #<stockholm/makefu/2configs/retroshare.nix>
+      ## <stockholm/makefu/2configs/ipfs.nix>
+      #<stockholm/makefu/2configs/syncthing.nix>
+      { # ncdc
+        environment.systemPackages = [ pkgs.ncdc ];
+        networking.firewall = {
+          allowedUDPPorts = [ 51411 ];
+          allowedTCPPorts = [ 51411 ];
+        };
+      }
+      # <stockholm/makefu/2configs/opentracker.nix>
+
+      ## network
+      <stockholm/makefu/2configs/vpn/openvpn-server.nix>
+      # <stockholm/makefu/2configs/vpn/vpnws/server.nix>
+      <stockholm/makefu/2configs/dnscrypt/server.nix>
+      <stockholm/makefu/2configs/iodined.nix>
+
+      ## buildbot
+      #<stockholm/makefu/2configs/remote-build/slave.nix>
+
+      # Removed until move: no extra mails
+      # <stockholm/makefu/2configs/urlwatch>
+      # Removed until move: avoid double-update of domain
+      # <stockholm/makefu/2configs/hub.nix>
+      # Removed until move: avoid letsencrypt ban
+      ### Web
+      #<stockholm/makefu/2configs/nginx/share-download.nix>
+      #<stockholm/makefu/2configs/nginx/euer.test.nix>
+      #<stockholm/makefu/2configs/nginx/euer.mon.nix>
+      #<stockholm/makefu/2configs/nginx/euer.wiki.nix>
+      #<stockholm/makefu/2configs/nginx/euer.blog.nix>
+      ## <stockholm/makefu/2configs/nginx/gum.krebsco.de.nix>
+      #<stockholm/makefu/2configs/nginx/public_html.nix>
+      #<stockholm/makefu/2configs/nginx/update.connector.one.nix>
+      #<stockholm/makefu/2configs/nginx/misa-felix-hochzeit.ml.nix>
+
+      #<stockholm/makefu/2configs/deployment/photostore.krebsco.de.nix>
+      #<stockholm/makefu/2configs/deployment/graphs.nix>
+      #<stockholm/makefu/2configs/deployment/owncloud.nix>
+      #<stockholm/makefu/2configs/deployment/boot-euer.nix>
+      #<stockholm/makefu/2configs/deployment/bgt/hidden_service.nix>
+
+      {
+        services.taskserver.enable = true;
+        services.taskserver.fqdn = config.krebs.build.host.name;
+        services.taskserver.listenHost = "::";
+        services.taskserver.organisations.home.users = [ "makefu" ];
+        networking.firewall.extraCommands = ''
+          iptables -A INPUT -i retiolum -p tcp --dport 53589 -j ACCEPT
+          ip6tables -A INPUT -i retiolum -p tcp --dport 53589 -j ACCEPT
+        '';
+      }
+
+
+      <stockholm/makefu/2configs/stats/client.nix>
+      # <stockholm/makefu/2configs/logging/client.nix>
+
+      ## Temporary:
+      # <stockholm/makefu/2configs/temp/rst-issue.nix>
+      <stockholm/makefu/2configs/virtualisation/docker.nix>
+
+      #{
+      #  services.dockerRegistry.enable = true;
+      #  networking.firewall.allowedTCPPorts = [ 8443 ];
+
+      #  services.nginx.virtualHosts."euer.krebsco.de" = {
+      #    forceSSL = true;
+      #    enableACME = true;
+      #    extraConfig = ''
+      #      client_max_body_size 1000M;
+      #    '';
+      #    locations."/".proxyPass = "http://localhost:5000";
+      #  };
+      #}
+      { # wireguard server
+
+        # opkg install wireguard luci-proto-wireguard
+
+        # TODO: networking.nat
+
+        # boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
+        # conf.all.proxy_arp =1
+        networking.firewall = {
+          allowedUDPPorts = [ 51820 ];
+          extraCommands = ''
+            iptables -t nat -A POSTROUTING -s 10.244.0.0/24 -o ${ext-if} -j MASQUERADE
+          '';
+        };
+
+        networking.wireguard.interfaces.wg0 = {
+          ips = [ "10.244.0.1/24" ];
+          listenPort = 51820;
+          privateKeyFile = (toString <secrets>) + "/wireguard.key";
+          allowedIPsAsRoutes = true;
+          peers = [
+          {
+            # x
+            allowedIPs = [ "10.244.0.2/32" ];
+            publicKey = "fe5smvKVy5GAn7EV4w4tav6mqIAKhGWQotm7dRuRt1g=";
+          }
+          {
+            # vbob
+            allowedIPs = [ "10.244.0.3/32" ];
+            publicKey = "Lju7EsCu1OWXhkhdNR7c/uiN60nr0TUPHQ+s8ULPQTw=";
+          }
+          {
+            # x-test
+            allowedIPs = [ "10.244.0.4/32" ];
+            publicKey = "vZ/AJpfDLJyU3DzvYeW70l4FNziVgSTumA89wGHG7XY=";
+          }
+          {
+            # work-router
+            allowedIPs = [ "10.244.0.5/32" ];
+            publicKey = "QJMwwYu/92koCASbHnR/vqe/rN00EV6/o7BGwLockDw=";
+          }
+          {
+            # workr
+            allowedIPs = [ "10.244.0.6/32" ];
+            publicKey = "OFhCF56BrV9tjqW1sxqXEKH/GdqamUT1SqZYSADl5GA=";
+          }
+          ];
+        };
+      }
+      { # iperf3
+        networking.firewall.allowedUDPPorts = [ 5201 ];
+        networking.firewall.allowedTCPPorts = [ 5201 ];
+      }
+
+  ];
+  makefu.dl-dir = "/var/download";
+
+  services.openssh.hostKeys = [
+    { bits = 4096; path = (toString <secrets/ssh_host_rsa_key>); type = "rsa"; }
+    { path = (toString <secrets/ssh_host_ed25519_key>); type = "ed25519"; } ];
+  ###### stable
+  services.nginx.virtualHosts.cgit.serverAliases = [ "cgit.euer.krebsco.de" ];
+  krebs.build.host = config.krebs.hosts.gum;
+
+  krebs.tinc.retiolum = {
+    extraConfig = ''
+      ListenAddress = ${external-ip} 53
+      ListenAddress = ${external-ip} 655
+      ListenAddress = ${external-ip} 21031
+    '';
+    connectTo = [
+      "muhbaasu" "tahoe" "flap" "wry"
+      "ni"
+      "fastpoke" "prism" "dishfire" "echelon" "cloudkrebs"
+    ];
+  };
+
+
+  # access
+  users.users = {
+    root.openssh.authorizedKeys.keys = [ config.krebs.users.makefu-omo.pubkey ];
+    makefu.openssh.authorizedKeys.keys = [ config.krebs.users.makefu-vbob.pubkey config.krebs.users.makefu-bob.pubkey ];
+  };
+
+  # Chat
+  environment.systemPackages = with pkgs;[
+    weechat
+    bepasty-client-cli
+    get
+    tmux
+  ];
+  services.bitlbee = {
+    enable = true;
+    libpurple_plugins = [ pkgs.telegram-purple ];
+  };
+
+  # Hardware
+
+  # Network
+  networking = {
+    firewall = {
+        allowPing = true;
+        logRefusedConnections = false;
+        allowedTCPPorts = [
+          # smtp
+          25
+          # http
+          80 443
+          # httptunnel
+          8080 8443
+          # tinc
+          655
+          # tinc-shack
+          21032
+          # tinc-retiolum
+          21031
+          # taskserver
+          53589
+          # temp vnc
+          18001
+          # temp reverseshell
+          31337
+        ];
+        allowedUDPPorts = [
+          # tinc
+          655 53
+          # tinc-retiolum
+          21031
+          # tinc-shack
+          21032
+        ];
+    };
+    nameservers = [ "8.8.8.8" ];
+  };
+  users.users.makefu.extraGroups = [ "download" "nginx" ];
+  boot.tmpOnTmpfs = true;
+}
diff --git a/makefu/1systems/nextgum/hardware-config.nix b/makefu/1systems/nextgum/hardware-config.nix
new file mode 100644
index 000000000..36fea6544
--- /dev/null
+++ b/makefu/1systems/nextgum/hardware-config.nix
@@ -0,0 +1,80 @@
+{ config, ... }:
+let
+  external-mac = "50:46:5d:9f:63:6b";
+  main-disk = "/dev/disk/by-id/ata-TOSHIBA_DT01ACA300_13H8863AS";
+  sec-disk = "/dev/disk/by-id/ata-TOSHIBA_DT01ACA300_23OJ2GJAS";
+  external-gw = "144.76.26.225";
+  # single partition, label "nixos"
+  # cd /var/src; curl https://github.com/nixos/nixpkgs/tarball/809cf38 -L | tar zx ; mv * nixpkgs && touch .populate
+
+
+  # static
+  external-ip = "144.76.26.247";
+  external-ip6 = "2a01:4f8:191:12f6::2";
+  external-gw6 = "fe80::1";
+  external-netmask = 27;
+  external-netmask6 = 64;
+  internal-ip = config.krebs.build.host.nets.retiolum.ip4.addr;
+  ext-if = "et0"; # gets renamed on the fly
+in {
+  imports = [
+  ];
+  makefu.server.primary-itf = ext-if;
+  services.udev.extraRules = ''
+    SUBSYSTEM=="net", ATTR{address}=="${external-mac}", NAME="${ext-if}"
+  '';
+  networking = {
+    interfaces."${ext-if}" = {
+      ipv4.addresses = [{
+        address = external-ip;
+        prefixLength = external-netmask;
+      }];
+      ipv6.addresses = [{
+        address = external-ip6;
+        prefixLength = external-netmask6;
+      }];
+    };
+    defaultGateway6 = external-gw6;
+    defaultGateway = external-gw;
+  };
+  boot.kernelParams = [ ];
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.devices = [ main-disk ];
+  boot.initrd.availableKernelModules = [
+    "ata_piix" "vmw_pvscsi" "virtio_pci" "sd_mod" "ahci"
+    "xhci_pci" "ehci_pci" "ahci" "sd_mod"
+  ];
+  boot.kernelModules = [ "kvm-intel" ];
+  hardware.enableRedistributableFirmware = true;
+  fileSystems."/" = {
+    device = "/dev/mapper/nixos-root";
+    fsType = "ext4";
+  };
+  fileSystems."/boot" = {
+    device = "/dev/sda2";
+    fsType = "vfat";
+  };
+  # parted -s -a optimal "$disk" \
+  #      mklabel gpt \
+  #      mkpart no-fs 0 1024KiB \
+  #      set 1 bios_grub on \
+  #      mkpart ESP fat32 1025KiB 1024MiB  set 2 boot on \
+  #      mkpart primary 1025MiB 100%
+  # parted -s -a optimal "/dev/sdb" \
+  #      mklabel gpt \
+  #      mkpart primary 1M 100%
+
+  #mkfs.vfat /dev/sda2
+  #pvcreate /dev/sda3
+  #pvcreate /dev/sdb1
+  #vgcreate nixos /dev/sda3 /dev/sdb1
+  #lvcreate -L 120G -n root nixos
+  #mkfs.ext4 /dev/mapper/nixos-root
+  #mount /dev/mapper/nixos-root /mnt
+  #mkdir /mnt/boot
+  #mount /dev/sda2 /mnt/boot
+  #mkdir -p /mnt/var/src
+  #touch /mnt/var/src/.populate
+
+}
diff --git a/makefu/1systems/nextgum/source.nix b/makefu/1systems/nextgum/source.nix
new file mode 100644
index 000000000..413889c47
--- /dev/null
+++ b/makefu/1systems/nextgum/source.nix
@@ -0,0 +1,5 @@
+import <stockholm/makefu/source.nix> {
+  name="nextgum";
+  torrent = true;
+  clever_kexec = true;
+}
diff --git a/makefu/1systems/nextgum/transfer-config.nix b/makefu/1systems/nextgum/transfer-config.nix
new file mode 100644
index 000000000..92df60195
--- /dev/null
+++ b/makefu/1systems/nextgum/transfer-config.nix
@@ -0,0 +1,7 @@
+{ config, lib, ... }:
+# configuration which is only required for the time of the transfer
+{
+  krebs.tinc.retiolum.connectTo = [ "gum" ];
+  krebs.build.host = lib.mkForce config.krebs.hosts.nextgum;
+}
+
diff --git a/makefu/2configs/git/cgit-retiolum.nix b/makefu/2configs/git/cgit-retiolum.nix
index c209b83f6..61182f6c3 100644
--- a/makefu/2configs/git/cgit-retiolum.nix
+++ b/makefu/2configs/git/cgit-retiolum.nix
@@ -38,6 +38,7 @@ let
 
   priv-repos = mapAttrs make-priv-repo {
     autosync = { };
+    fenkins = { };
     pass = { };
   };
 
diff --git a/makefu/2configs/hub.nix b/makefu/2configs/hub.nix
new file mode 100644
index 000000000..a121157d4
--- /dev/null
+++ b/makefu/2configs/hub.nix
@@ -0,0 +1,102 @@
+{ config, lib, pkgs, ... }:
+
+# search also generates ddclient entries for all other logs
+
+with import <stockholm/lib>;
+let
+  ddclientUser = "ddclient";
+  sec = toString <secrets>;
+  nsupdate = import "${sec}/nsupdate-hub.nix";
+  stateDir = "/var/spool/ddclient";
+  cfg = "${stateDir}/cfg";
+  ext-if = config.makefu.server.primary-itf;
+  ddclientPIDFile = "${stateDir}/ddclient.pid";
+
+  # TODO: correct cert generation requires a `real` internet ip address
+
+  gen-cfg = dict: ''
+    ssl=yes
+    cache=${stateDir}/ddclient.cache
+    pid=${ddclientPIDFile}
+    ${concatStringsSep "\n" (mapAttrsToList (user: pass: ''
+
+      protocol=dyndns2
+      use=web, web=http://ipv4.nsupdate.info/myip
+      ssl=yes
+      server=ipv4.nsupdate.info
+      login=${user}
+      password='${pass}'
+      ${user}
+
+    '') dict)}
+  '';
+
+in {
+  users.extraUsers = singleton {
+    name = ddclientUser;
+    uid = genid "ddclient";
+    description = "ddclient daemon user";
+    home = stateDir;
+    createHome = true;
+  };
+
+  systemd.services = {
+    redis.serviceConfig.LimitNOFILE=10032;
+    ddclient-nsupdate-uhub = {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "ip-up.target" ];
+      serviceConfig = {
+        Type = "forking";
+        User = ddclientUser;
+        PIDFile = ddclientPIDFile;
+        ExecStartPre = pkgs.writeDash "init-nsupdate" ''
+          cp -vf ${pkgs.writeText "ddclient-config" (gen-cfg nsupdate)} ${cfg}
+          chmod 700 ${cfg}
+        '';
+        ExecStart = "${pkgs.ddclient}/bin/ddclient -verbose -daemon 1 -noquiet -file ${cfg}";
+      };
+    };
+  };
+
+  networking.firewall.extraCommands = ''
+    iptables -A PREROUTING -t nat -i ${ext-if} -p tcp --dport 411 -j REDIRECT --to-port 1511
+  '';
+  systemd.services.uhub.serviceConfig = {
+    PrivateTmp = true;
+    PermissionsStartOnly = true;
+    ExecStartPre = pkgs.writeDash "uhub-pre" ''
+      cp ${toString <secrets/wildcard.krebsco.de.crt>} /tmp/uhub.crt
+      cp ${toString <secrets/wildcard.krebsco.de.key>} /tmp/uhub.key
+      cp ${toString <secrets/uhub.sql>} /tmp/uhub.sql
+      chown uhub /tmp/*
+    '';
+
+  };
+  services.uhub = {
+    enable = true;
+    port = 1511;
+    enableTLS = true;
+    hubConfig = ''
+      hub_name = "krebshub"
+      tls_certificate = /tmp/uhub.crt
+      tls_private_key = /tmp/uhub.key
+      registered_users_only  = true
+    '';
+    plugins = {
+      welcome = {
+        enable = true;
+        motd = "shareit";
+        rules = "1. Don't be an asshole";
+      };
+      history = {
+        enable = true;
+      };
+      authSqlite = {
+        enable = true;
+        file = "/tmp/uhub.sql";
+      };
+
+    };
+  };
+  networking.firewall.allowedTCPPorts = [ 411 1511 ];
+}
diff --git a/makefu/source.nix b/makefu/source.nix
index 56d9095b2..fac1c0282 100644
--- a/makefu/source.nix
+++ b/makefu/source.nix
@@ -20,12 +20,15 @@ let
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
   # TODO: automate updating of this ref + cherry-picks
-  ref = "60b6ab055ad"; # nixos-18.03 @ 2018-05-31
+  ref = "14946ec63a1"; # nixos-18.03 @ 2018-05-31
                        # + do_sqlite3 ruby:   55a952be5b5
                        # + exfat-nofuse bump: ee6a5296a35
+                       # + uhub/sqlite: 5dd7610401747
+                       # + forecastio:  f27584df02337
 
 in
   evalSource (toString _file) [
diff --git a/mv/source.nix b/mv/source.nix
index 1a7b83961..29dfe9723 100644
--- a/mv/source.nix
+++ b/mv/source.nix
@@ -7,6 +7,7 @@ host@{ name, override ? {} }: let
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
 in
diff --git a/nin/source.nix b/nin/source.nix
index ae13c5583..a4bf0a98c 100644
--- a/nin/source.nix
+++ b/nin/source.nix
@@ -7,6 +7,7 @@ host@{ name, secure ? false }: let
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
 in
diff --git a/shell.nix b/shell.nix
index bfdf1b3ca..3695ed3ac 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,6 +1,11 @@
 let
   lib = import ./lib;
-  pkgs = import <nixpkgs> { overlays = [(import ./krebs/5pkgs)]; };
+  pkgs = import <nixpkgs> {
+    overlays = [
+      (import ./krebs/5pkgs)
+      (import ./submodules/nix-writers/pkgs)
+    ];
+  };
 
 in pkgs.stdenv.mkDerivation {
   name = "stockholm";
diff --git a/submodules/nix-writers b/submodules/nix-writers
new file mode 160000
+Subproject 4d0829328e885a6d7163b513998a975e60dd0a7
diff --git a/tv/2configs/vim.nix b/tv/2configs/vim.nix
index 6598393a2..400d179d0 100644
--- a/tv/2configs/vim.nix
+++ b/tv/2configs/vim.nix
@@ -111,7 +111,7 @@ let {
         command! -n=0 -bar ShowSyntax :call ShowSyntax()
       '';
     })))
-    ((rtp: rtp // { inherit rtp; }) (pkgs.writeOut "vim-tv" {
+    ((rtp: rtp // { inherit rtp; }) (pkgs.write "vim-tv" {
       "/syntax/haskell.vim".text = /* vim */ ''
         syn region String start=+\[[[:alnum:]]*|+ end=+|]+
 
diff --git a/tv/5pkgs/simple/xmonad-tv/default.nix b/tv/5pkgs/simple/xmonad-tv/default.nix
index cb59e8517..1168f10c8 100644
--- a/tv/5pkgs/simple/xmonad-tv/default.nix
+++ b/tv/5pkgs/simple/xmonad-tv/default.nix
@@ -1,5 +1,5 @@
 { pkgs, ... }:
-pkgs.writeHaskell "xmonad-tv" {
+pkgs.writeHaskellPackage "xmonad-tv" {
   executables.xmonad = {
     extra-depends = [
       "containers"
diff --git a/tv/source.nix b/tv/source.nix
index 14527d956..c0df06567 100644
--- a/tv/source.nix
+++ b/tv/source.nix
@@ -9,6 +9,7 @@ with import <stockholm/lib>;
   pkgs = import <nixpkgs> {
     overlays = map import [
       <stockholm/krebs/5pkgs>
+      <stockholm/submodules/nix-writers/pkgs>
     ];
   };
 in