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Traditional interprocess communication requires cooperation and synchronization between sender and receiver. MPI-2's new remote memory access features allow one process to update or interrogate the memory of another, hence the name one-sided communication. Here's a hands-on guide.

Linux on high-performance computing clusters seems an obvious choice now, but it wasn't a forgone conclusion when Thomas Sterling and Donald Becker used Linux to build the world's first Beowulf cluster in 1999. Linux has come a long way since then. Learn why Linux has put "super" back into supercomputers.

Flickr, the online photo-sharing Web site, is a good case study on the benefits of open source. The technology that powers Flickr is a catalog of open source tools: Red Hat Linux, the Apache Web server, MySQL databases, PHP, Perl, Smarty templates, Postfix mail gateways, and even ImageMagick to handle the image manipulation.

Jeff Waugh, Gnome and Ubuntu big wig, discusses why the next version of Gnome won't be 3.0 and how Ubuntu's relationship with Debian works.

Fields aren't supposed to mess up your documents and make you pull out your hair--learn when fields are useful and how to use them.

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Welcome to this year's 5th issue of DWN, the weekly newsletter for the Debian community. Andreas Schuldei announced that the registration for this year's Debian conference has been opened. Og Maciel installed Debian for the first time and thought that the expert mode was appropriate, giving him the opportunity to answer all 27 questions of which only a fraction would be displayed during a normal installation.

Even the most hapless management automatons are aware of the licensing and maintenance costs associated with perpetuating a Windows workplace. As security concerns escalate and the reliability of Windows diminishes, the appeal of desktop Linux intensifies. Ready or not, businesses must heed the migratory instinct, or risk getting left behind. The Linux Client Migration Cookbook, an IBM Redbook written by a group of seasoned IT specialists and freely downloadable from IBM's Web site, is a balanced and informative guide to practical migration.

The K Desktop Environment (KDE) is incredibly popular in the world of GNU/Linux. Distributions such as SUSE and Mandrakelinux use it by default. KDE has some useful features that, while easily accessible, are less prominent. Just as a camera inexplicably makes a cell phone more fun to use, KDE's cool but unnoticed details may make it more attractive to prospective users. Read on to learn about a few such features may help you every day.

Industry watchers claim Sun Microsystems is playing a dangerous game with its decision to position Solaris as open source – a move which will see it go head to head with Linux

In his second visit to the country in as many years, Matthew J Szulik is a keynote speaker at Nasscom and Linux Asia events

Developers now have a choice to use the open source Python language for mobile application development on Nokia Series 60 phones, the Finnish company announced.

the OSI anticipates expanding the board to nine people, drawing many new board members from outside the US. To lead these new initiatives, the board has elected new officers. Russ Nelson will become President of the OSI, and Michael Tiemann will become Vice President. Danese Cooper will continue as Secretary / Treasurer.

Technology collaboration and its expression as open source software could build long-term immunity against the practices of a global patent system running amok.

The Open Source Initiative--the organization that certifies open-source licenses--says that it has reorganized in an effort to bring more structure to the open-source software movement and that co-founder Eric Raymond is stepping down from his position as president.

Firefox's success has seemed to take even Mozilla advocates by surprise. On the SpreadFirefox site's blog, it was noted that on January 29th, Firefox downloads topped the 21 million mark.

Red Hat has really been grating my nerves as of late. Undocumented features that are advertised but unusable, recommended updates that are thoroughly broken, failure to update packages with high-impact problems, and a poor software packaging and distribution policy have me testing other distributions with a goal of taking my business elsewhere.

Linuxlookup.com is reporting on Skype, the Global Internet Telephony Company, today announced the availability of its feature-rich Skype for Mac OS X Version 1.0 and Skype for Linux Version 1.0 software applications, enabling high-quality voice calling via the Internet for multiple computer platforms. Skype is the leading VOIP-category product worldwide, with more than 23 million registered users, and more than 130,000 new users per day.

The OSI board has approved five new licenses for certification.

Andreas Brand is a sociologist researching ways of recruiting and organising teams of volunteers on the Internet. He has been studying KDE as an example of an open source project based upon collaboration without hierarchies. As part of his work he has conducted interviews with KDE developers, participated in several open source conferences, analysed the KDE home page, and distributed a questionnaire among volunteers. We asked him about his thoughts on the KDE development model.