DenyHosts is a tool i use to secure my SSH server from these type of people. Written in python, this tool serves as a very active security guard and helps me to keep my system safe from lots of prying eyes.

Free software has won: practically all of the biggest and most exciting Web companies like Google, Facebook and Twitter run on it. But it is also in danger of losing, because those same services now represent a huge threat to our freedom as a result of the vast stores of information they hold about us, and the in-depth surveillance that implies.

Imagine a monstrous, seven-foot reanimated Tux-the-penguin with bolts though its neck, pursued through the countryside by angry pitchfork-wielding villagers. It's not an image you're likely to forget in a hurry.

Curiously many Linux administrators out there are clueless about properly securing or configuring a server. The following steps can significantly increase the stability and security of any Linux server.

LAMP stands for Linux, Apache, MySQL, and PHP, which represents a very common configuration for Linux-based web servers. If you're interested in testing websites, particularly those that involve a server-side scripting language like PHP, you can install a local LAMP server on your own computer. This tutorial will show you some tricks for setting up a local LAMP server.

This three-part series is your starting point for tuning your system for power efficiency. In Part 3, the author compares the performance of the five in-kernel governors in both tuned and untuned states to show you how to optimize a Linux-based System x server.

This tutorial explains the installation of a Samba fileserver on Fedora 11 and how to configure it to share files over the SMB protocol as well as how to add users. Samba is configured as a standalone server, not as a domain controller. In the resulting setup, every user has his own home directory accessible via the SMB protocol and all users have a shared directory with read-/write access.