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Linux Shell Scripting Cookbook, Second Edition - Second Edition
book

Linux Shell Scripting Cookbook, Second Edition - Second Edition

by Shantanu Tushar, Sarath Lakshman
May 2013
Beginner to intermediate
384 pages
7h 40m
English
Packt Publishing
Content preview from Linux Shell Scripting Cookbook, Second Edition - Second Edition

Collecting information about logged in users, boot logs, and boot failures

Collecting information about the operating environment, logged in users, the time for which the computer has been powered on, and boot failures are very helpful. This recipe will go through a few commands used to gather information about a live machine.

Getting ready

This recipe will introduce commands who, w, users, uptime, last, and lastb.

How to do it...

  1. To obtain information about users currently logged into the machine use:
    $ who
    slynux   pts/0   2010-09-29 05:24 (slynuxs-macbook-pro.local)
    slynux   tty7    2010-09-29 07:08 (:0) 
    

    This output lists the login name, the TTY used by the users, login time, and remote hostname (or X display information) about logged in users.

    Note

    TTY ...

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Publisher Resources

ISBN: 9781782162742Other