IntraHouse mqtt plugin.
It's mqtt client without build-in broker.
You can use Mosquitto or other brokers, supported MQTT 3.1.1
Install mosquitto on Raspberry Pi (jessie or stretch):
sudo apt-get update
sudo apt-get upgrade
sudo wget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key
sudo apt-key add mosquitto-repo.gpg.key
sudo rm mosquitto-repo.gpg.key
cd /etc/apt/sources.list.d/
For jessie: sudo wget http://repo.mosquitto.org/debian/mosquitto-jessie.list
For stretch: sudo wget http://repo.mosquitto.org/debian/mosquitto-stretch.list
sudo apt-get update
sudo apt-get install mosquitto mosquitto-clients
Check: sudo service mosquitto status
You can stop service and run CLI for debug:
sudo service mosquitto stop
mosquitto -v