Introduction to the Xen Virtual Machine

This article is intended mainly for developers who are new to Xen and who want to know more about it. The Xen VMM (virtual machine monitor) is an open-source project that is being developed in the computer laboratory of the University of Cambridge, UK. It enables us to create many virtual machines, each of which runs an instance of an operating system. These guest operating systems can be a patched Linux kernel, version 2.4 or 2.6, or a patched NetBSD/FreeBSD kernel.

IBM Sponsored Study: Linux Less Expensive

Two research reports sponsored by IBM argue that Linux is less expensive to buy and operate than Windows or Unix. The first paper claims Linux is 40% less expensive than a comparable x86-based Windows server and 54% less than a comparable Sparc-based Solaris server. The second that using Linux has "Second Stage Benefits" such as attracting IT workers, among whome open source is increasingly popular.

The Final 72 Hours of Blastwave?

"I need to ask the Blastwave and OpenSolaris communities for your help. Despite my best efforts at gathering corporate sponsorship, Blastwave is once again in a financial crisis. We are due to be evicted from the datacenter in three days, and there is little that I can do personally to stop this." You can help out by donating, and while doing that you can also participate in this survey set up to estimate the size of the Blastwave community.

Freespire Agrees to Name Change, Linspire Gives Out Free Copies

In a short story with a happy ending, the developer of a free version of Linspire called Freespire has agreed to change the name of his project, and Linspire is offering free copies of Linspire Linux for a few days. Freespire, which first popped up on Distrowatch last week, described itself as a free variant of Linspire Linux, with proprietary components and trademarks removed.

Sin: Continuous Integration Rethought

"Due to being dissatisfied with the inability of existing open source Continuous Integration solutions to prevent developers from abusing the codebase, I've been prototyping a new proactive approach to Continuous Integration. Sin, a framework for Continuous Integration, is the result of this work. I discuss the problems with existing solutions and the advantages of Sin here."

The State of Linux Graphics

"I've written a lengthy article covering what I learned during the last two years building the Xegl display server. Topics include the current X server, framebuffer, Xgl, graphics drivers, multiuser support, using the GPU, and a new display server design. Hopefully it will help you fill in the pieces and build an overall picture of the graphics landscape."

Latest Windows Vista, Server, WinFS, Timelines Revealed

According to Paul Thurrot, Microsft is planning on releasing Vista to manufacturing on August 9th, 2006, with broad market availbility on November 15th of that year. Beta 2, RC0 and RC1 will be released, respectivily, December 7th (2005), April 19th (2006) and June 28th (2006). All this also applies to Vista Server, with the exception that Server's RTM is scheduled for Januray 10th, 2007. WinFS is supposed to be released in Q3 2007. All these release dates are ahead of schedule.

Hollywood, Microsoft Align on New Windows

For the first time, the Windows operating system will wall off some audio and video processes almost completely from users and outside programmers, in hopes of making them harder for hackers to reach. The company is establishing digital security checks that could even shut off a computer's connections to some monitors or televisions if antipiracy procedures that stop high-quality video copying aren't in place.

Vim’s Newest Features

Vim, or vi improved, is an open source text editor for multiple platforms. This article gives an overview of vim's latest improvements over vi. New features include multiple windows, syntax highlighting, multiple levels of undo, and color themes. All of these improvements are made possible by the use of vim plugins.

Microsoft Makes WinFS Beta 1 Bits Available

The WinFS rumors were true: Microsoft has posted for download by its Microsoft Developer Network subscribers a first beta of its next-generation WinFS file system. While many developers were not expecting Microsoft to release a Beta 1 build of the technology until late 2006, Microsoft officials said on Monday that getting early bits to testers before Windows Vista shipped was actually the plan of record since last year. Update: Channel9 has a video of WinFS (WMV).

GridShell Extends the TCSH and BASH Syntaxes

GridShell is designed to incorporate grid concepts into command shell environments. In this article, the author describes the motivation for GridShell and provides a high-level description of the extensions to the language interface the tool provides. GridShell extends the TCSH and BASH syntaxes. Users familiar with both will be able to write scripts that include these grid shell language extensions, and orchestrate and coordinate the execution of programs across the grid.