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Last week when traveling to Europe for FOSDEM and other business meetings, I had picked up a new 9-cell battery for a Lenovo ThinkPad T60. While an additional three battery cells will noticeably extend your battery life, you can also extend your battery life by taking a few simple steps to optimize your Linux desktop that will also reduce your power consumption and heat output. In this article are a few simple steps to take in order to extend your notebook's battery life on Ubuntu.

Com One's Phoenix Wi-Fi radio is a home music appliance built on an embedded Linux foundation. Phoenix lets you stream music or play podcasts as easily as you can listen to a car radio, once you tell it what you want to hear. Its ability to play Internet radio is nice -- but is it worth its price? The radio is attractive enough in a shiny white plastic kind of way. It's smaller than a boom box -- about the size of three transistor radios (remember them?) side by side. The main controls include a five-way circular control pad and a knob that changes the music volume and moves through device settings during setup.

After a slow start, add-ons for OpenOffice.org are finally starting to reach a critical mass. When I last wrote about add-ons for OpenOffice.org in September 2004, the examples were relatively limited, with extendedPDF the outstanding example. Today, extendedPDF remains a must-have -- so much so that Debian versions of OpenOffice.org include it as part of the basic packages -- but the choices have expanded dramatically. There is even a web page that is slowly beginning to rival the Firefox extension page.

I haven't hooked up my OpenBSD 4.2 drive and booted it for about a week. The last time I left the box, I was playing around with Apache, and I thought all was well. Today I hook up the drive and boot OpenBSD. First of all, instead of a console login, I get an XDM login. That's strange. I don't remember XDM ever showing up before. Then Internet networking doesn't work. I check all the networking settings. Everything is correct. I can ping IP addresses on the local network, but nothing is working outside of that. Pinging google.com yields nothing. Since I can get local machines, I know it's not a bad cable.

An uninterruptible power supply (UPS) will allow your computer to continue to function for a period of time when mains power is lost. This can help you to smooth over short-term (1-5 minute) loss of power by running from the UPS battery. When the UPS battery is running low, the UPS can signal your computer to shut down cleanly. With a UPS you can avoid lengthly filesystem or RAID checks due to abrupt power loss. Here are some tips on UPSes in general and how to set one up to protect a Linux machine, even if the model you have lacks explicit Linux support.

Yesterday, Ubuntu tore a page from The Book of Dell and launched Brainstorm, an opportunity for its users to contribute their ideas to for software development and marketing. Kubuntu users finally have an invitation to vent their frustration at having a Cinderella distribution relegated to the role of ugly stepsister. Will Canonical respond?

Today we're going to dig into ALSA, the Advanced Linux Sound Architecture, a good tool for managing your Linux sound devices. It's good for managing multiple sound devices, and it works in all Linux environments including other window managers, or no X Windows at all.

The VAR Guy has been negative on Novell for a few years, and he frequently questioned the company’s open source software strategy. But according to a new piece of financial news, the Linux provider is performing better than Wall Street expected. Here’s the scoop, which surprised our resident blogger.

Sun has claimed that completing its purchase of the open source database developer MySQL will enable it to become the most complete provider of open source server software. Jonathan Schwartz, Sun's chief executive, said in a conference call on Tuesday that the US$1 billion acquisition "completed our capability to deliver a holistic, secure, open source platform for networks", providing the last, key piece in a software stack that now rivals Microsoft's.

Ubuntu just launched Brainstorm, a system similar to Dell's Ideastorm that lets users propose improvements to Ubuntu and vote others' proposals up or down. The system has great potential in giving all Ubuntu users a voice in the future of the operating system.

Medsphere, an open-source VistA vendor and their customers, gave a talk on their system and their strategy at HIMSS yesterday. Relative to the number of vendors present at HIMSS, very few held a session at the "University" section of the tradeshow. Medsphere did and highlighted several of their key successes. Overall, I was impressed. Read on after the gap for my review of the session.

There are lots of ways that software gets included in Fedora releases. Because Fedora is a community-powered Linux distribution, the most common (and likely the easiest) method is when a community member packages and “owns” the task of building it for Fedora. This story follows that process.

Linux Pluggable Authentication Module (PAM) can help you protect world-writeable shared directories from abuse. This article for Linux system administrators lays out the steps to enable namespaces with PAM. The pam_namespace module creates a separate namespace for users on your system when they login to protect users from several types of security attacks.

TheDailyPlate.com is a free, online eating journal with a lot of features that make it useful for the health conscious. The site is developed completely in PHP on MySQL, Apache, and Linux. LAMP was a natural choice, the founders say, because so many other Internet companies have experienced success with the now-ubiquitous platform.

Product revenue grew 9 percent year-over-year - Achieved non-GAAP operating margin of 10 percent

From the concept of copyleft to the status of community projects, free and open source software (FOSS) raises endless legal issues, many of which are subject to rumors and misconceptions floating around the community. To help reduce the confusion for those managing software projects, the Software Freedom Law Center (SFLC) has released a freely distributable guide entitled "A Legal Issues Primer for Open Source and Free Software Projects."

Of all the theories behind Microsoft's assimilation of Yahoo (I think it's about eliminating a competitor under a mountain of cash), this is the most intriguing I've seen yet: According to Linux-Watch, Microsoft wants Yahoo because no huge Web-based companies use Windows products to run their back-end ... except Microsoft, of course, and this might give the rest of the world a reason to consider Windows for their servers ... or it could crush Yahoo under the weight of a soul-sucking software sea change. ("Sea change" ... that's as idiotic as "change agent" and "best practices" ... sorry for using it ...).

The combined KDE/Amarok booth and developer room at the annual Free and Open Source Developers' European Meeting (FOSDEM) in Brusssels was a great experience (as usual!). Many people showed up from the KDE and Amarok communities, and we had a hard time fitting all our cool hardware and people in the booth. Luckily, the talks drew quite a crowd, and the booth became less busy as the day progressed. Read on for an overview of FOSDEM 2008 from the KDE perspective.

Most portable audio players can play music encoded in the MP3 audio format, but some consumers also have music in Ogg Vorbis, FLAC, MPC, or even WMA files. How do you change from one format to another when you need to? Here are some of the best audio conversion tools available in Linux. One of the simplest and most elegant ways to convert audio files is by using the audio-convert script. It makes use of Zenity to display GUI messages and windows, but does the rest of its work from the command line.

What’s this pv_ops business all about? Well, as Dan explained, for a long time we’ve been forward-porting Xensource’s (now 2.6.18 based) kernel tree in an effort to try and have our Xen kernel not lag behind Fedora’s bare-metal kernel. Now that the upstream kernel has gained the ability to run on Xen using pv_ops (but only as i386 DomU, currently) we’ve taken the decision to stop wasting our time forward porting Xensource’s tree and put all our focus into improving the feature set of pv_ops based Xen.