How to check the date and time the system was rebooted #terminal #reboot #security

Here is a simple command to check the system's reboot date and time:

#last reboot

reboot system boot 2.6.18-53.el5 Sat Aug 6 18:02 (8+04:45)

wtmp begins Sat Aug 6 18:02:07 2011

The command below will give you the date and time the system was booted:

#who -b

system boot 2011-08-24 09:43