关闭
service nginx stop systemctl stop nginx
启动
service nginx start systemctl start nginx
重启
service nginx reload systemctl restart nginx
随系统启动自动运行
systemctl enable nginx
禁止随系统启动自动运行
systemctl disable nginx
知识点扩展：
首先利用配置文件启动nginx 命令: nginx -c /usr/local/nginx/conf/nginx.conf 重启服务： service nginx restart 快速停止或关闭Nginx：nginx -s stop 正常停止或关闭Nginx：nginx -s quit 配置文件修改重装载命令：nginx -s reload
