# 安装EPEL存储库,运行命令
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
# 安装Mosquitto,运行命令
yum install mosquitto
# 启动Mosquitto服务,运行命令
systemctl start mosquitto
# 设置Mosquitto服务开机自启动,运行命令
systemctl enable mosquitto
# 设置用户名密码,其中，your-username是你要创建的用户名，执行该命令后会提示输入密码。
sudo mosquitto_passwd -c /etc/mosquitto/passwd your-username
# 编辑Mosquitto配置文件,运行命令
vi /etc/mosquitto/mosquitto.conf
allow_anonymous false
password_file /etc/mosquitto/passwd
# 重启Mosquitto服务,运行命令
systemctl restart mosquitto
# 禁止开机自启命令
systemctl disable mosquitto