systemctl

 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 #停止服务
 systemctl restart *.service #重启服务
 systemctl reload *.service #重新加载服务配置文件
 systemctl status *.service #查询服务运行状态
 systemctl --failed #显示启动失败的服务
 systemctl list-unit-files #查询