The DVD enclosed with this issue includes 32- and 64-bit editions of openSUSE 12.3, the latest release in the storied history of SUSE Linux. The openSUSE developers strive to maintain a system that is friendly enough for end users but still well equipped for server room environments. Version 12.3 comes with Linux kernel 3.7, along with several new cloud and database options and support for UEFI boot. Select the KDE 4.10 or Gnome 3.6 desktop at installation, or choose another leading desktop option: Xfce, LXDE, or E17.

The Nepomuk semantic desktop has matured with the KDE 4 series. We look at how you can use Nepomuk to structure information about the files, folders, and applications on your system. Then, discover Qt build tool Qmake, social media data mining, and the e-commerce services of eBay and Amazon.

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.”