树莓派的关机命令

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1、sudo halt

2、sudo reboot

3、使用shutdown命令

  [root@db-server ~]# shutdown --help
shutdown: invalid option -- -
Usage:    shutdown [-akrhHPfnc] [-t secs] time [warning message]
                  -a:      use /etc/shutdown.allow
                  -k:      don't really shutdown, only warn.
                  -r:      reboot after shutdown.
                  -h:      halt after shutdown.
                  -P:      halt action is to turn off power.
                  -H:      halt action is to just halt.
                  -f:      do a 'fast' reboot (skip fsck).
                  -F:      Force fsck on reboot.
                  -n:      do not go through "init" but go down real fast.
                  -c:      cancel a running shutdown.
                  -t secs: delay between warning and kill signal.
                  ** the "time" argument is mandatory! (try "now") **
1）马上关闭Linux系统，其中 now 相当于时间为 0 的状态

sudo shutdown -h now

2）系统2分钟后重新启动，其中+m表示几分钟后关机或开机

sudo shutdown -r +2

3）设置系统在那个时间点关机

sudo shutdown -h 12:30&

4）取消设置系统在那个时间点关机

sudo shutdown -c

5）在多少秒后关闭系统并给用户发送提示信息

sudo shutdown -t 10 -h now "System will shutdown 10s later!"

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