Automation - MQTT
Revision as of 17:10, 11 January 2022 by Tinker (talk | contribs) (Created page with "*Proven on Mint 19.3 *Proven on SparkyLinux 5.11 *Proven on raw Debian (With a caveat) [https://mosquitto.org/ Mosquitto MQTT Broker] == Installing Mosquitto == *<code>sudo apt-get install mosquitto</code> Pretty simple, eh? === Ensure that Mosquitto broker is running === *<code>sudo service mosquitto status</code> expected result is <u><code>Active: active (running)</code></u> == Install client tools for testing etc == (Do this on any machine expected to manually...")
- Proven on Mint 19.3
- Proven on SparkyLinux 5.11
- Proven on raw Debian (With a caveat)
Installing Mosquitto
sudo apt-get install mosquitto
Pretty simple, eh?
Ensure that Mosquitto broker is running
sudo service mosquitto status
expected result is Active: active (running)
Install client tools for testing etc
(Do this on any machine expected to manually use MQTT)
sudo apt install mosquitto-clients
Testing
In a terminal:
mosquitto_sub -h localhost -t "mqtt" -v
In another terminal:
mosquitto_pub -h localhost -t "mqtt" -m "Hello MQTT"
Now the message “mqtt Hello MQTT” will be displayed in the first terminal where the topic “mqtt” is subscribed.
Subscribing to # gives you a subscription to everything except for topics that start with a $ (these are normally control topics anyway).