diff --git a/nixos/components/network/tinc/retiolum.nix b/nixos/components/network/tinc/retiolum.nix
deleted file mode 100644
index 1636e01..0000000
--- a/nixos/components/network/tinc/retiolum.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{ config, pkgs, lib, retiolum, ... }:
-{
-
-  # nix-shell -p tinc_pre --run "tinc --config . generate-keys 4096"
-  module.cluster.services.tinc."retiolum" = {
-    networkSubnet = "10.243.0.0/16";
-    port = 720;
-    extraConfig = ''
-      LocalDiscovery = yes
-      AutoConnect = yes
-    '';
-    privateEd25519KeyFile = toString config.sops.secrets.tinc_retiolum_ed25519_key.path;
-    privateRsaKeyFile = toString config.sops.secrets.tinc_retiolum_rsa_key.path;
-    hosts = {
-      pepe = {
-        tincIp = "10.243.23.1";
-        publicKey = lib.fileContents ../../../assets/tinc/retiolum/host_file;
-      };
-      sterni = {
-        tincIp = "10.243.23.3";
-        publicKey = lib.fileContents ../../../assets/tinc/retiolum/host_file;
-      };
-    };
-  };
-
-  networking.extraHosts = builtins.readFile (toString "${retiolum}/etc.hosts");
-  systemd.services."tinc.retiolum" = {
-    preStart = ''
-      cp -R ${retiolum}/hosts /etc/tinc/retiolum/ || true
-    '';
-  };
-
-}
-
diff --git a/nixos/machines/pepe/mqtt.nix b/nixos/machines/pepe/mqtt.nix
index 6da92bd..97e3848 100644
--- a/nixos/machines/pepe/mqtt.nix
+++ b/nixos/machines/pepe/mqtt.nix
@@ -9,4 +9,6 @@
     }];
   };
 
+  networking.firewall.allowedTCPPorts = [ 1883 ];
+
 }
diff --git a/nixos/machines/robi/syncthing.nix b/nixos/machines/robi/syncthing.nix
index cc0a17e..f4658d9 100644
--- a/nixos/machines/robi/syncthing.nix
+++ b/nixos/machines/robi/syncthing.nix
@@ -11,8 +11,8 @@
   services.syncthing = {
     enable = true;
     openDefaultPorts = false;
-    dataDir = "/media/syncthing";
-    configDir = "/media/syncthing";
+    dataDir = "/media/syncthing/config";
+    configDir = "/media/syncthing/config";
     overrideDevices = true;
     overrideFolders = true;
     cert = toString config.sops.secrets.syncthing_cert.path;
diff --git a/nixos/machines/sterni/packages.nix b/nixos/machines/sterni/packages.nix
index cd6813e..6fd1fb2 100644
--- a/nixos/machines/sterni/packages.nix
+++ b/nixos/machines/sterni/packages.nix
@@ -12,6 +12,7 @@ let
         "https://${user}:${password}@nextcloud.ingolf-wagner.de"
     '';
 
+
 in
 {
   environment.systemPackages = with pkgs; [
@@ -58,6 +59,14 @@ in
     darktable
 
     #blender
+    mosquitto
+    (pkgs.writers.writeBashBin "mqtt-tail" ''
+      ${pkgs.mosquitto}/bin/mosquitto_sub -v \
+               -h pepe.private \
+               -u homeassistant \
+               -P password \
+               -t "#"
+    '')
 
     # rust development environment
     rustup