Introduction
MQTT is a client-server (CS) architecture based publish/subscribe messaging protocol. Its design idea is light, open, simple, standardized and easy to implement. These characteristics make it a good choice for many scenarios, especially for constrained environments such as machine-to-machine communication (M2M) and Internet of Things environments (IoT).
Install BroKer for MQTT – mosquitto
- The machine environment is CentOS7
cd /etc/yum.repos.d/
vi vi mosquitto.repo
[home_oojah_mqtt]
name=mqtt (CentOS_CentOS-7)
type=rpm-md
baseurl=http://download.opensuse.org/repositories/home:/oojah:/mqtt/CentOS_CentOS-7/
gpgcheck=1
gpgkey=http://download.opensuse.org/repositories/home:/oojah:/mqtt/CentOS_CentOS-7/repodata/repomd.xml.key
enabled=1- Install:
yum install -y mosquitto mosquitto-clients - start up:
/etc/rc.d/init.d/mosquitto start
Install MQTT Client–homeassistant
pip3 install homeassistant- Edit configuration file:
vi configuration.yaml - Add the following:
mqtt:
broker: 192.168.88.103
port: 1883- Start Client:
py -m homeassistant --open-ui
test
- Subscribe to channel test:
mosquitto_sub -h localhost -t test - Post a message on homeassistant
