Securing Linux

Source: Help Net Security

This article covers various aspects of securing and running linux. By combining different utilities and aspects of keeping your system secure you'll reap multiple benefits, and keep your nerves in a good shape."
Here we go again. I decided to write another article concerning some overall security aspects of installing and running linux. To keep it short and simple, here are some good pointers to enhancing your system's security. But remember, there's no absolute security, so keep your eyes open, subscribe yourself to good sec-related mailing lists, and keep your software up-to-date.