The Xen virtualization system is is quickly becoming a standard feature of corporate Linux. We’ll show you how to get started with the latest version of Xen.

Commercial surveillance systems are expensive and typically involve maintenance agreements. I thought there must be a low-budget alternative.

The experimental Leaftag provides a convenient means for associating files with search categories and other metadata.

Security Enhanced Linux or App Armor? Linux Magazine invited two well-known personalities from Red Hat and Novell to debate the merits of their security systems.

The Postfix Policyd plugin fights spam using techniques such as greylisting, source detection, volume measurements, blacklisting, and HELO rotation detection.

It’s the end of the line for CORBA! Gnome now relies on the D-Bus messaging system, and KDE is in the process of migrating.

The Revision Control System (RCS) provides simple, reliable version control without the complexity of bigger systems like Subversion or CVS.