Klaus Knopper is the creator of Knoppix and co-founder of LinuxTag expo. He works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com

ack is a grep-like, command-line tool that has been optimized for programmers to search large trees of source code.

An openSUSE project called KLyDE plans to streamline the KDE desktop.

OpenDaylight is an open source software-defined networking project committed to furthering adoption of SDN and accelerating innovation in a vendor-neutral and open environment.

Technical board votes for shorter support cycles on standard releases.

Offensive Security announces the release of Kali Linux – their “most advanced, robust, and stable penetration testing distribution to date.”

If you’re new to this magazine, take a tour and let’s get acquainted. If you’re a long-time reader, now is your chance to find that issue or article you missed. The DVD attached to this issue comes with the latest edition of the Linux Magazine archive – 149 issues of technical Linux, spanning a history of more than 12 years. All the tips, all the apps, all the hacks …. If it matters to the open source community, chances are we’ve documented it somewhere. You’ll find in-depth articles on important tools such as Drupal, Apache, Nagios, Tripwire, and Samba. Or discover a lesser known tool that might be just what you need for a problem you’re facing right now. Build a deeper understanding of Linux by reading the complete history of Klaus Knopper’s troubleshooting advice, and chart the story of the Linux kernel through Zack’s Kernel News.