Handling messages and notifications from software and gadgets with MQTT and mqttwarn
summary
Explains how MQTT (lightweight TCP pub/sub) is used end-to-end: Mosquitto/VerneMQ brokers, OwnTracks for location, an OpenWRT box running Mosquitto, and an esp8266 demo publishing button presses and temperature. Shows using mqttwarn (Python, ~64 plugins) to fan alerts to Kodi/SMTP/Pushover and to push Zabbix triggers, with a live temperature monitor, LED alarm and successful alert/resolution flow. Covers broker bridging, retained messages, Last Will and Testament behavior and practical TLS/PSK options.
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chapters (12)
- 0:00Start
- 4:19the landscape
- 8:07hierarchical topics
- 10:11bridging
- 11:45CLI utilities
- 12:34Language bindings
- 12:59practical solutions
- 14:08Your things speak MQTT
- 21:1760+ plugins
- 25:06For monitoring
- 27:26Python functions
- 32:31Zabbix trapper trigger
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