*nix printer administration

Almost all Unix-like operating systems use a printing system called the Common Unix Printing System (CUPS). It's a very important piece of software, if you ever want to print on - oh, just about any system that is a Unix-like OS (even Mac OS X, I think...).

There's also a really neat feature in CUPS, and that's a web-based administration panel. If you're ever having trouble getting ...

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Understanding memory usage on Linux

If you've ever run the free command on Linux to see how much of your RAM is free, you might have been quite alarmed at the amount of memory listed as free. You can use the free command from the terminal to show your memory usage (the -m switch shows the output in megabytes):

$ free -m

For example, here's the output on my system (values shown are megabytes ...

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Installing .package files

Installing software on Linux isn't always an easy process, as you might know. In this tutorial, I'm going to walk you through installing .package files.

These files are known as AutoPackage files (an idea spearheaded by the AutoPackage project).

Installing them is frightfully easy. Once you've downloaded or otherwise acquired a .package, first of all right-click it and choose Properties. Go to the Permissions tab and tick ...

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