The Mosquitto service acts as an MQTT broker for smart home devices. It runs at

Setup #

  1. Install: apt-get install mosquitto mosquitto-clients
  2. Create password file with user mosquitto: mosquitto_passwd -c /etc/mosquitto/passwd mosquitto and enter desired password twice.
  3. Write the following config into /etc/mosquitto/conf.d/default.conf:
    allow_anonymous false
    password_file /etc/mosquitto/passwd
  4. Restart Mosquitto: systemctl restart mosquitto

Authentication #

The username is set to mosquitto and the password is documented in 1Password.