The creator of the PDF format, Adobe, has released Adobe Reader 8.1. Does the proprietary display program offer more than free software alternatives Xpdf and Evince?

We examine the strengths and weaknesses of four popular mail clients: KMail, Evolution, Thunderbird, and Claws Mail.

Reviews of O'Reilly's Beautiful Code: Leading Programmers Explain How They Think, Prentice Hall's The Official Damn Small Linux Book, and Linux Firewalls: Attack Detection and Response with iptables, psad, and fwsnort from No Starch Press.

Linux Administrator Street Smarts

Network Management

Managing the Test People

Professional Apache Tomcat 6

The new release of the GNU desktop spoils users for choice with a whole bunch of innovations.

Sabayon is a Gentoo-based Linux distribution that focuses on the user. The philosophy of the Sabayon project is based on two acronyms. The first is the well-known promise to KISS (Keep it Simple more...

Learning Ruby

Linux Appliance Design

The first KDE 4 beta release gives users a sneak preview of the many innovations the next K Desktop generation will introduce.

Information Visualization: Design for Interaction

Service Oriented Architecture for Dummies

Security Metrics

The iconic Debian Project has long been a Linux leader. Debian is built by a worldwide army of hundreds of developers. The focus is on freedom: Debian is 100% free software, with no proprietary a more...