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The final frontier: Hacking sendmail
While messing with kernel modules isn't trivial, there's a higher peak: hacking sendmail's configuration file. This tip shows you how to ruin your mail system with ease. Tip
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Different Linux shells and the login process
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A sys admin's OSS list
An inside look at how one IT manager is using open source software. Article
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'Cat' is where it's at
Two site experts give advice for using a cat -- the cat command, that is -- at your computer. Tip
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Get with the script
Here we take a look at the simple scripting tools that pre-date the Perl "Swiss Army chainsaw." Tip
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Learning Guide: Linux Tools
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Arnold Robbins' basic programming tips for sys admins
"Linux Programming by Example" author Arnold Robbins explains how sys admins can use programming know-how, how to get smart, and why GNU programs are better than Unix programs. Tip
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How do you make Perl properly kill a subprocess?
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Graphical tools for checking performance
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Using yum vs. RPM
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