#--permanent永久生效，没有此参数重启后失效

firewall-cmd --zone=public --add-port=9000/tcp --permanent

#重新载入配置

firewall-cmd --reload

#查看已经开启的端口

firewall-cmd --zone=public --list-ports

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#停止nginx

/usr/local/nginx/sbin/nginx -s quit

 #强制停止nginx

/usr/local/nginx/sbin/nginx -s stop

#重新加载配置文件

/usr/local/nginx/sbin/nginx -s reload

重启Nginx

/usr/local/nginx/sbin/nginx -s quit

/usr/local/nginx/sbin/nginx