how to check the last reboot time on a Linux or UNIX server

This article will teach you how to check the last reboot time on a Linux or UNIX server (this will also work for Mac OSX). This can be useful for many things.

Steps

1. 
   1
   Open up a command line interface.
2. 
   2
   Type in "uptime" (without the quotes) and hit enter.
3. 
   3
   Read the output. A sample one: 22:26:32 up 53 min, 2 users, load average: 0.22, 0.23, 0.28 This means that it has been 53 minutes since the last reboot.