Installation of MQTT Server on Raspberry PI

Leave a Comment / IoT, Raspberry PI / By admin

Installation

Update OS
```
sudo apt update
sudo apt upgrade -y
```

Install Mosquitto Software

sudo apt install mosquitto mosquitto-clients -y

Verify Service Status
```
sudo systemctl status mosquitto
```
This will return the status of mosquitto service.

Testing

Start up a Subscriber
```
mosquitto_sub -h localhost -t "home/living"
```
Keep this terminal and open another terminal for next step.

Publish a Message

mosquitto_pub -h localhost -t "home/living" -m "TURN ON: Light"

Message on Subscriber Terminal
```
TURN ON: Light
```

Enable Remote Access

Run the following command to open the mosquitto.conf file
```
sudo nano /etc/mosquitto/mosquitto.conf
```
Add Below Lines
```
listener 1883

allow_anonymous true
```
Restart Mosquitto Service
```
sudo systemctl restart mosquitto
```

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