Prentice Hall has published the fourth edition of The Official Ubuntu Book, covering the latest Ubuntu 9.04 release. As with previous versions, the fourth edition aims to bring new users up to speed on the popular Linux distro, from installation

Canonical has released open source code for the Launchpad software development and collaboration platform that it provides for Ubuntu application development. Based on the Bazaar version control system, Launchpad offers features for collaborative application development, bug tracking, translations, and more,

LWN.net: "Recently, the question of how user-space programmers can communicate requirements to the kernel community was raised. The ensuing discussion was short on definitive answers, but it did begin to clarify a problem in an interesting way."

LinuxTECH.NET: "At the time of writing there are two Laptops with pre-installed Linux in the top ten bestsellers, both in front of the first bestselling Apple Laptop."

An alien's viewpoint: "Desktop Activities is a desktop usability concept that allows you to have multiple style and other settings for your desktop or desktops. There you have it, my attempt at a one sentence definition."

Linux Journal: "One of the enhancement suggestions I got was to add the ability to extract all the sheets and/or a specific sheet rather than always extracting the first sheet. The following update to the code does just that."

Polar Bears and Penguins: "When you think of Linux overall as a restaurant, what kind of place do you think of when you do?"

ServerWatch: "FreeNAS is one of those surprising projects that not only saves you a huge amount of money but is so simple to use that you'll wonder why there's so much mystery surrounding network-attached storage(NAS)."

Blog of Helios: "So no...we don't get paid in money...and often, what we are paid by has no tangible presence.But sometimes it does."

The Bodhi Tree: "I had given up on KDE too after being a user for almost seven years. Everything was broken. It wasn't even qualified to be called a release. Since then, I think the project has come a long

bMighty: "Two prominent open-source projects recently got a thumbs-up from Veracode, a company that applies a standards-based approach to software vulnerability testing."

The H Open: "Reports that Microsoft had to release the Hyper-V Linux Integration Components (LinuxIC) under the GPLv2 because they had violated the GPL have been rebutted by Microsoft and Vyatta."

Linux Magazine: "The free router software DD-WRT opens in its version 24(SP1) a huge door due to a vulnerability in its HTTP daemon server."

TuxRadar: "In this tutorial we're going to show you how to set up two types of media server: an on-demand server for all media types, and a streaming server for audio files."

IT Wire: "The driver code that Microsoft contributed to the Linux kernel this week was originally in violation of the GPL, a post by Stephen Hemminger, an engineer with open source vendor Vyatta, says."

InternetNews: "Intel's Wind River subsidiary is now the leader in embedded Linux, at least when it comes to revenues, according to the market analysis by VDC Research."

ItRunsOnLinux: "GeeXboXVersion 1.2.3.of GeeXboX is released. GeeXboX is a free embedded Linux distribution which aims at turning your computer into a Home Theater PC, or Media Center. Being a standalone LiveCD-based distribution, it's a ready to boot operating system than

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Ruler and Compass is written for students of elementary or secondary schools