If you are just like me who is disgusted of reading through large chunks of texts for the only particular thing that he’s interested, securing Linux can’t be any more straightforward with this exhaustive list written by Kurt Seifried. Specially made for Linux novices who are just starting to harden his servers against malicious attempts, it is a good read not only because it’s useful but also because it’s easy to follow and digest.

Here we go: http://seifried.org/security/os/linux/20020324-securing-linux-step-by-step.html