1. 测试 Nginx 配置
   sudo nginx -t
2. 查看nginx状态
   sudo systemctl status nginx
3. 检查nginx版本
   sudo nginx -v
4. 重启 Nginx 服务
   sudo systemctl restart nginx
   sudo service restart ngin
5. 启动 Nginx 服务
   sudo systemctl start nginx
   sudo service start nginx
6. 重载 Nginx 配置文件
   sudo systemctl reload nginx
7. 停止 Nginx 服务
   sudo systemctl stop nginx
   sudo service stop nginx