In a mailing list post today, Fedora Program Manager Robyn Bergeron announced that Fedora 15 is ready for release on May 24, 2011.

The 2011 openSUSE Conference, which will be held in Nuremberg in September, announced its call for papers. Talk proposals will be accepted until July 11th.

Lubuntu now officially supported Ubuntu derivative.

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.

Ubuntu Open Week is a week long online tutorial event that takes place over IRC (Internet Relay Chat) after each Ubuntu release.