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This tutorial provides step-by-step instructions on how to install Xen on a Debian Lenny (5.0) system (AMD64). Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.

Back in May 2000 the first issue of Linux Format magazine hit the news stands. One of its features was a group test of Linux distributions, reflecting the state of play in Linux flavours at the time. If you fancy a trip down memory lane or just a quick look at how beautiful Linux wasn't all those years ago, we've dug out the original article complete with screenshots - read on!

Are computers funny, or is it really the cartoonist? Today (or yesterday, or the day after tomorrow.. whenever this post was/will-be written ;) we stumbled upon this site that's shooting at teaching Linux to the younger generation by introducing Open Source to them through comics.

I recently did a bunch of package unmasking in my desktop Gentoo installation and did an emerge of KDE 4 .2 and I thought I would share my experiences in my shiny new desktop environment (unfortunately I was unable to see how Amarok2 integrated with KDE 4.2 due to some MySQL embedded compilation issues for 64-bit Linux).

The hacker, currently only know as 'uno' claims that the SQL Injection attack on usa.kaspersky.com has exposed activation codes, user details, bug lists and so on.

In order to consolidate project planning, bug reporting, team organization and translations as well as the freedom to add other models in addition to openEHR; OSHIP development has been moved to Launchpad.

The team behind the development of the ioquake3 engine, a spin-off of the open-source Quake 3 engine, is preparing for the release of a new update. The second release candidate for ioquake3 1.36 is now available and it features a number of new improvements.

What do you reckon, has HP lost the plot here? Does it really think that there is so little demand for Linux in the UK, or is this just a money making exercise that it could not get away with in the US?

Here's an interesting post from Mitchell Baker, Mozilla's boss, commenting on the EU's decision to investigate Microsoft for its Internet Explorer. It's mostly a useful statement of history and why Firefox on its own shouldn't be regarded as the solution to the problem. But for me the most significant portion is its conclusion..

This paper describes the recent imaging advances by Elphel, supplier of open source (hardware and software) cameras to customers that include Google (for select Street View and book scanning projects). It should interest imaging engineers, fans of open source, and those curious about open source hardware. The paper was written by Dr. Andrey Filippov, the Russian physicist who founded Elphel in 2001. Filippov has contributed many papers to LinuxDevices through the years, as regular readers will be aware.

A survey of the Ubuntu Server communityPDF has been published showing that more organisations are relying on Ubuntu for "mission critical" tasks. The survey, carried out by Canonical, the commercial sponsor for Ubuntu, and RedMonk, an open source oriented market research organisation that makes all of its content freely available, breaks down the 6800 responses, from predominantly Ubuntu users, and analyses it by business size.

BitDefender, a global provider of award-winning antivirus software and data security solutions, has launched a new version of BitDefender Antivirus Scanner for Unices, the on-demand antivirus and antispyware scanner for Linux and FreeBSD, which is free for personal use. The new and improved features of BitDefender Antivirus Scanner for Unices enhance the user experience and increase the level of protection.

gOS and Linux Mint are two of the many Linux distributions based upon Ubuntu, but they provide their own spin of things. gOS, for instance, ships with WINE and Google Gears by default and focuses upon providing an easy and rich experienced catered around Web 2.0 services. Linux Mint ships with its own set of customizations and its focus is on providing an easy-to-use Linux desktop by having a distinct user interface, its own set of system, and shipping with various proprietary drivers, plug-ins, media codecs, and other packages. We had a question though from a reader asking whether the performance of these Ubuntu derivatives is vastly different from Ubuntu itself. With that inquiry, we have run a couple benchmarks comparing the performance of Ubuntu 8.10, gOS 3.1, and Linux Mint 6.

This tutorial Walks you through the process of building Perl, Python, and PHP scripts with a DLTK-based IDE and provides sample code for each step.

Marten Mickos on Friday told fellow employees that he's resigning from Sun Microsystems, just a few days short of his first anniversary as senior VP of database software. The news was greeted with dismay by those who thought he was going to play a key role in guiding Sun through its transition to an open source company. "There's a question whether Sun can make money as an open source company. I would take someone who's been highly successful in an area that Sun has been struggling with and give him free rein," said Rod Johnson, CEO of SpringSource and head developer on the open source Spring Java framework project, in an interview.

Seems like 2.6.29 will be the first vanilla kernel supporting “pv_ops” in Dom0. Base platform to start the test was Ubuntu Intrepid Server (64-bit) with Ubuntu Desktop installed via tasksel. Packages required by Xen have been installed: openssl,x11,gettext,python-devel.

Are you changing with the times? The Age of Linux is upon us and there's no stopping it.

In my last few posts about pyuno (SSConverter, OORunner) we used pyuno to convert spreadsheets to CSV files by running OpenOffice from Python using pyuno as the bridge between the two processes. In this post we're going to get inside OpenOffice and use pyuno as the bridge between OpenOffice and an embedded Python interpreter (embedded inside OpenOffice).

The buzz has been building for Boxee lately. Mainstream news outlets like The New York Times, BusinessWeek and NPR are getting hip to the little open-source media center that could quite possibly change the way you experience TV. I first met Boxee CEO and co-founder Avner Ronen at a NewTeeVee meetup in New York roughly a year ago. At the time, I was contemplating buying an Apple TV. He politely shook his head and said I shouldn’t bother, that his company had something better in the works.

Netbooks are growing in popularity and have emerged as a threat to normal laptops THERE WAS a time when the only way to really be mobile with a computer was with a laptop. Then came what were termed sub-notebooks – smaller laptops which still packed a lot of power. But with the rise of the internet, much of the computing power we need has moved to the web, hence the emergence of the netbooks – a cut-down, small laptop with as simple an operating system as possible.