Question: How to determine how long your Linux machine has been up and running?

 

Answer:

  • There are 2 commands that can be used namely the 'uptime' and 'w' commands
    •  uptime = Shows how long Linux has been running, how many users are connected and then three system load averages.
    • w = The w command gives a little bit more information.this could be useful if you have a busy system with lots of users connected.

 

  • Open a new Terminal Session and type the uptime command. Your output will look similar to below
10:15:01 up  1:43,  4 users,  load average: 1.10, 1.18, 1.23
 
  • Open a new Terminal Session and type the w command. Your output will look similar to below 
USER          TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
username   tty7     :0                        08:41         ?          5:46      0.28s  x-session
username   pts/0    :0.0                   09:11         0.00s  0.10s     0.00s  w
 

 

 

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