“ 目录RHCA - 11 系统管理 - 11 shutdown命令关机 ”关机、重启等操作语法格式shutdown [参数] 时间涉及硬件资源的管理权限以root身份运行指定时间关机时系统会在关机前5分钟创建/run/nologin文件阻止新用户登录参数作用-h关机并断电hours:minutes #到指定时间关机10 #十分钟后now #现在-r重启-c取消定时关机操作-H停止系统-P切断电源安全断电-k只发送警告消息不实际关机[rootwuzuniao ~]# shutdown -h now #立即关机[rootwuzuniao ~]# shutdown -r now #立即重启[rootwuzuniao ~]# shutdown -h 23:50 #设置将在23点50分关机可加放入后台进程Shutdown scheduled for Tue 2024-07-16 23:50:00 CST, use shutdown -c to cancel.Broadcast message from rootwuzuniao (Tue 2024-07-16 23:43:50 CST):The system is going down for power-off at Tue 2024-07-16 23:50:00 CST![rootwuzuniao ~]# shutdown -c #取消定时设置Broadcast message from rootwuzuniao (Tue 2024-07-16 23:45:08 CST):The system shutdown has been cancelled at Tue 2024-07-16 23:46:08 CST![rootwuzuniao ~]#