HA Yellow Maintenance

note most cli is done through a terminal..

check os version

ha os update

MQTT

this is a sort of communications hub that interfaces to a lot of IOT stuff, saves you from having multiple integrations in the system.

when you try to install it, you need a broker,  you can get it from the add ons store, use the Mosquitto broker, install that first.

you need to create a new user for the broker to use...