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Bash Redirections Using Exec

If you've used the command line much at all you know about I/O redirection for redirecting input to and/or output from a program. What you don't...

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Getting a Grip on GNU grep

If you've been using Linux for any amount of time, you've probably heard about grep, though maybe you're not familiar with using it. GNU grep is a tool that lets you search one or more files, or standard input. Simple, effective, and absolutely necessary for anyone managing Linux and UNIX-type systems. Want to get a grip on grep? We'll get you started in no time.

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Setting Up Email Alerts for Network Monitoring with Nagios

For any network administrator, a good monitoring tool is worth its weight in dilythium crystals (or gold, depending upon your needs).

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10 Tips for Using GNU Find

The GNU find utility is one of the most useful commands you'll ever get to know. At first glance the options and syntax can seem arcane. But, with a little practice, you'll be able to locate any file on your system with almost no trouble at all. To help you get started, we've got 10 ways you can use find to get what you're looking for.

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Weekend Project: Make a Portable Encrypted File Safe

Many Linux distributions offer industrial-strength disk encryption tools...

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