Ubuntu安装mqtt服务¶

1. 安装
   

   apt install mosquitto
   

2. 修改监听端口和IP
   

   vim /etc/mosquitto/mosquitto.conf
   listener 1883 0.0.0.0
   

3. 设置用户名密码
   

   cp /etc/mosquitto/pwfile.example /etc/mosquitto/pwfile
   mosquitto_passwd -c /etc/mosquitto/pwfile test
   test123
   

   
   注：不设置用户名密码，可能报错：Client <unknown> disconnected, not authorised.
4. 重启服务
   

   systemctl restart mosquitto