一个大的猫窝,voidcat

查看 linux 运行时间

1.who -b 查看最后一次开机时间

$ who -b

         系统引导 2016-08-27 14:03

2.last reboot  查看最近重启记录

$last reboot

reboot   system boot  4.4.0-34-generic Sat Aug 27 14:03   still running

reboot   system boot  4.4.0-34-generic Fri Aug 26 10:53   still running

reboot   system boot  4.4.0-34-generic Wed Aug 24 10:49 - 10:52 (2+00:03)

reboot   system boot  4.4.0-34-generic Tue Aug 23 08:48 - 10:52 (3+02:03)

reboot   system boot  4.4.0-34-generic Tue Aug 23 08:03 - 08:48  (00:44)

reboot   system boot  4.4.0-34-generic Tue Aug 23 08:03 - 08:48  (00:45)

reboot   system boot  4.4.0-34-generic Tue Aug 23 07:59 - 08:03  (00:03)

reboot   system boot  4.4.0-34-generic Mon Aug 22 08:33 - 18:16  (09:43)