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When deploying Red Hat Virtualization, the host operating system is domain0 or dom0, and the virtual machines that run on top of domain0 are domainU or domU. Installing SystemTap on domainU is no different from installing SystemTap on non-virtualized machine or domain0. Here's how to do it.

It is not uncommon for those who write about Linux or other FOSS software to be inundated with feedback from users. At times that feedback is a bit unbalanced, a trifle raw and, occasionally, plain silly. It is, however, uncommon for a writer to set out to deliberately provoke Linux users with over-the-top stuff - just to prove his contention that said users are a bunch of ferals. This category of writers are called trolls; one surfaced recently in the shape of Infoworld's Russell Kennedy, who, in a three-part series titled "why Ubuntu (still) sucks", managed to rouse people enough to invite sufficient bile to prove his claim - which he laid out in the last part of that series.

NoMachine NX is a Terminal Server and remote access solution based on a comprising set of enterprise class open source technologies. NX makes it possible to run any graphical application on any operating system across any network connection at incredible speed. FreeNX application/thin-client server is based on NoMachine’s NX technology. It can operate remote X11 sessions over 56k modem dialup links or anything better. FreeNX package contains a free (GPL) implementation of the nxserver component. The following workshop describes the FreeNX installation on a Mandriva 2008 Free server. Additionally it explains how to access it using a Windows XP and an OpenSuse 10.3 client.

"Linux really wouldn't have gone anywhere interesting at all if it hadn't been released as an open source product. I also think that the change to the GPLv2 from my original 'no money' license was important, because the commercial interests were actually very important from the beginning. The commercial distributions were what drove a lot of the nice installers and pushed people to improve usability," said Linux creator Linus Torvalds.

Google has unveiled its phone platform, Android. It's yet another Linux OS, freely licensed, that will appear in devices in the second half of next year. Google has signed up over 30 partners including Qualcomm, Motorola, HTC and operators including Deutsche Telekom for the "Open Handset Alliance".

When you listen to digital music, your software or hardware player usually shows information about the current song, which it gets from MP3 tags or Ogg Vorbis comments. Most ripping software supports acquiring this metadata from the CDDB or FreeDB services based on a CD's disc ID. But you can also can fill in and edit metadata with tools such as EasyTag and Picard.

Regular readers will know that my interest in standards is not limited to those that help make information and communications technology work. Over the years I've written about standards created to address concerns more directly relevant to the human condition, such as human rights standards, social responsibility standards, and much more. The world being what it is, I think that it's time I did so on a regular basis, and that's what this blog entry is all about.

For a number of reasons, I have opted to leave my cube spinning days behind me, as it just did nothing for me. Certain applications ran poorly in Beryl, and while no fault should be placed on its development, I was finding myself booting into Metacity more and more for my GNOME desktop.

Okay, lets get one thing straight… Repeat after me : “The Open Document Foundation has nothing to do with the Open Document Format” “The Open Document Foundation has nothing to do with the Open Document Format” “The Open Document Foundation has nothing to do with the Open Document Format”

If you're using TiddlyWiki as your note-taking tool, you ought to give TiddlySnip a try. The idea behind this Firefox extension is simple: it allows you to add the currently viewed Web page or selected text snippet to your TiddlyWiki as a new tiddler. But TiddlySnip adds a few clever twists to this basic idea, which turn the Firefox/TiddlyWiki combo into a powerful and extremely useful tool.

Has anyone really, and I mean really, spent hours researching the issue of using libdvdcss in Linux to watch DVDs? What would you say if I told you much of what you are reading about this issue is complete bunk? Want the truth? Using libdvdcss is only illegal if, and I say if, it needs to implement DeCSS to allow for encrypted DVD viewing.

Vodafone Mobile Connect Card driver for Linux is a tool that allows you to establish a connection to the Internet using 3G cards. It also allows to send and receive short messages from your computer. The cards currently supported are: Huawei E620, Huawei E220 and Option GlobeTrotter 3G+ EMEA.

The longer I program, the more structured my programming methods have become. Currently I am busy playing with generated documentation and unit testing. Generated documentation is an all round great idea, but it has a drawback: You need to generate it all the time. So I set out to use Subversion’s post-commit hook to generate fresh documentation for my PHP projects using phpDocumentor. I have written a little Python script that you can call from Subversion’s post commit hook. This script scans your subversion project for files that have the phpdoc property set. If any of these have changed, then it regenerates your documentation using phpDocumentor. It can also deal with files that are not kept in your Subversion repository and supports anything also supported by phpDocumentor.

The Angolan government, which is firmly in favour of open source software (OSS) solutions, has implemented an OSS enterprise content management system.

For the most part, I have been fairly content with the release of Flash 9 for Linux, with the possible exception of occasional Flash-related browser crashes. Even with this bug, just the move from Flash 7 to Flash 9 has made the usability of any modern browsing experience a lot more attractive, especially when watching Flash video.

The Federal Open Source Alliance has released the results of a study into the adoption of open source software OSS by the US' various federal departments, the Federal Open Source Referendum. The findings show that both open source uptake and appetite are progressing, with 71 percent of respondents having noted that their agency could benefit from open source.

Welcome to this year's 45th issue of DistroWatch Weekly! An excellent week for open source software enthusiasts as it finally brought the first public preview of the OpenSolaris-based Indiana, a new operating system trying to take over our desktops. Will it succeed? Although the release was marred by controversies and heated discussions on the project's mailing list, the first reviews indicate that Indiana is on the right track. In other news, a new distribution called gOS gets bundled with a US$199 Linux computer, Mandriva's François Bancilhon writes an angry open letter to Microsoft, Debian introduces a new KDE4 live CD, Fedora prepares for a big release day, and Kubuntu developers ponder the future of the project. Finally, don't miss the featured article which looks at the recently released Ubuntu Studio 7.10. Happy reading!

Starting with Solaris Express build 75(75a) xVM/Xen are included as a standard part of Solaris Express for x86/x64. Oracle's installation procedure seems to be a kind of evaluation performance and reliability for next generation Solaris Xen Drops running as DomUs on top of Linux Dom 0. Preferably CentOS 5 (RHEL 5) or Debian Etch 4.X .

Last week saw a slew of articles suggesting that Ubuntu Linux was damaging hard disks. The truth is a little more complicated than that but just in case, try this trick for monitoring the state of your hard disk load/unload cycles before you make any rash decisions.

An illusion in the minds of many is that Center for Certification of Health Information Technology (CCHIT) certified EHR systems are interoperable. The reality is that this is something that CCHIT does not currently test for but will ostensibly test in the future. This CCHITannouncement is interesting in that CCHIT will"...begin building a testing resource to evaluate compliance of electronic health records (EHR) and networks with certification criteria for interoperability. This new initiative will make it easier for health information technology companies to add standards-based information exchange capabilities to their products and prepare those products for certification. The testing software will be developed under an open source license so that it is free and publicly available, and the Certification Commission will use the software running on a secure platform during its inspection of a product's compliance..."