The Linux Foundation welcomes its newest member, Yahoo!.

Red Hat announces IBM, Accenture, Alfresco, Cisco, HP and Intel representatives are scheduled to deliver keynotes at the seventh annual Red Hat Summit and JBoss World, May 3-6, 2011 in Boston, Massachusetts.

“Stronger definition of network behavior in software is a growing trend, and open interfaces are going to lead to faster innovation,” said Nick McKeown, ONF Board member and professor at Stanford University.

Cloud.com today announced the release of CloudStack 2.2, the latest version of its open source cloud computing platform.

Puppet Labs, provider of open source systems management solutions, announced the release of Puppet Enterprise, the first commercially supported version of Puppet.

Canonical, the corporate sponsors of Ubuntu, announced today its partnership with Dell to offer Ubuntu Enterprise Cloud (UEC) on Dell PowerEdge C2100 and C6100 servers that will ship with tested reference architectures, guides, and support from experts at Dell and Canonical.

The shorter a command, the longer the list of support parameters. This rule applies to lsof, one of Charly’s favorite commands.

During CeBIT 2011 open source projects such as DaviCAL, shared calendar and address book storage servers, will have the opportunity to showcase what is currently in active development.