/etc/init.d/mosquitto start

/var/log/mosquitto/mosquitto.log

配置文件从这里看，会告诉你一个文件夹：

/etc/mosquitto/mosquitto.conf

用户文件：

/root/mqtt/passwd.conf

添加多个用户：

mosquitto_passwd -b /root/mqtt/passwd.conf  username1 pwd1

/etc/init.d/mosquitto reload

禁止自动启动的方法：

rm -f /etc/init.d/mosquitto