Who Are Still Logged in? and Where Are They From?

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There are several ways to know who are still logged in and where (IP Address) they come from on your Linux server.
  1. Command "w"
  2. [root@test ~]# w
     06:01:53 ...
    USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
    steven   tty1     -                05:56    5:07   0.00s  0.00s -bash
    root     pts/0    192.168.5.3      05:52    0.00s  0.01s  0.00s w

  3. Command "who"
  4. [root@test ~]# who
    steven   tty1         2014-05-04 05:56
    root     pts/0        2014-05-04 05:52 (192.168.5.3)

  5. Command "last"
  6. [root@test ~]# last | grep "still logged in"
    steven   tty1                          Sun May  4 05:56   still logged in
    root     pts/0        192.168.5.3      Sun May  4 05:52   still logged in

In the above example, you can see there is one user from local console and the other is from a remote server (IP Address 192.168.5.3).

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