How To install Mosquitto MQTT Broker on Raspberry Pi.
Run these commands:
sudo apt update
Install Mosquitto Broker, Hit Y to confirm installation.
sudo apt install -y mosquitto mosquitto-clients
Automatic startup Mosquitto:
sudo systemctl enable mosquitto.service
Edit the config file:
sudo nano /etc/mosquitto/mosquitto.conf
Default setting:
IP: Your Raspberry Pi IP
Port: 1883
Allow anonymous: True
TLS: False