BackTrack, an Ubuntu-based penetration-testing distribution, offers "major improvements" over previous releases, including support for 32- and 64-bit architectures, KDE 4, Gnome, and Fluxbox.

At this week's Berlin LinuxTag 2011, event cooridinator Nils Magnus discusses the increasing professionalism of the open source community.

Lubuntu now officially supported Ubuntu derivative.

One week after celebrating its second anniversary, the Icinga open source monitoring system rolls out version 1.4.

After six years of Qt 4, Nokia wants to modernize its toolkit for 2012 with the Qt 5 release.

The Budapest Ubuntu Developer Summit (UDS-O) kicked off on Monday, May 9, at the Corinthia Hotel. "Accessibility is one of our core values as a project," Canonical founder Mark Shuttleworth said in his keynote address, as he acknowledged the Unity documentation team contributions to the 11.04 release. After briefly looking back at the "Natty Narwhal" Ubuntu release, Shuttleworth set his sights on the upcoming release, saying, "Our goal, our mission is 200-million Ubuntu users in four years."

The Ubuntu Developer Summit for the Oneiric Ocelot (Ubuntu 11.10) development cycle (UDS-O) will take place on May 9-13, 2011 at the Corinthia Grand Hotel Royal, Budapest Hungary.

Red Hat announces the availablity of RHEL (Red Hat Enterprise Linux) via Amazon EC2 on-demand and with pay-as-you go pricing.

Red Hat announces its 2012 Summit will be held at the Hynes Convention Centre in Boston Massachusetts on June 26-29.

O'Reilly announces early registration for OSCON, OSCON Data, and OSCON Java is now open. OSCON Data and OSCON Java are scheduled for July 25-27, while OSCON runs the entire week of July 25-29, 2011, at the Oregon Convention Center in Portland.