systemctl is-enabled servicename.service #查询服务是否开机启动
systemctl enable *.service #开机运行服务
systemctl disable *.service #取消开机运行
systemctl start *.service #启动服务
systemctl stop *.service #中止服务
systemctl restart *.service #重启服务
systemctl reload *.service #从新加载服务配置文件
systemctl status *.service #查询服务运行状态web