Where is MQTT configuration is gone to

  • Platform information:
    • Hardware: raspi
    • OS: openhabian
    • Java Runtime Environment: which java platform is used and what version
    • openHAB version: 3.3
  • Issue of the topic:
    In the official openhab tutorial (https://youtu.be/-U4-ZFYftLY?t=673) on youtube there is an option called “MQTT system broker connection” under settings → other settings.
    In OH 3.3 I can’t find this configuration option any more.
    I also have no idea how to configure the MQTT binding, that I have installed instead.

The so-called “System Broker” is no longer part of the actual releases. Using an external broker like Mosquitto is suggested instead.
The official documentation can be found Here.

Wait, there’s an official openhab tutorial on youtube? This is news to me

Missed this one :wink:

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Have a look at the mqtt-tutorial from hafniumzinc
Propably you can skip the mosquitto-part as you are running openhabian. That should have a mosquitto-instance included.

Yes, but it’s an optional component that has to be installed through openhabian-config. I can’t remember what menu item it is, but it should be reasonably obvious.

should be 23

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Once you have installed your mqtt server, you need to create a mqtt bridge thing within openhab. The bridge thing is storing your configuration