A summary of how to set up a full Wikipedia.org mirror using several different approaches: Nginx as a caching proxy in front of wikipedia.org, Kiwix serving a downloaded backup, a full Mediawiki install with a database dump, or a mirror of Wikipedia made with XOWA.
One side wants scientific research to be available only in journals that cost thousands of dollars per subscription. The other wants scientific research to be freely available to anyone who asks for it. Guess which side of the debate hired a master soci
A procedure for turning a Debian Linux (Lenny) system installed on a single drive into a Debian Linux system running a two-disk mirror without rebuilding the whole thing. The procedure also shows you how to configure GRUB to boot from either drive.
Oskar Andreasson's Ultimate IPtables Tutorial for Linux. Considered one of the best ways to learn how to set up and use IP tables. Comes in multiple formats and several languages, so there should be something for everybody there.
An open source ebook about DNS in general and BIND 9 in particular. If you want to know how DNS works in practice and how BIND acts under different circumstances, this is a good way to start without the trial by fire.
A very well done description of decorators in python. Go in depth about how functions are first class objects, scope, self-modifying code, and how everything works. programming languages documentation tutorial