Radeon HD 4770:The First 40nm Desktop GPU
Universal Design for Web Applications
Michael J. Ross writes “Two decades ago, Web usage was limited to a single individual (Sir Tim Berners-Lee) using the only browser in existence (WorldWideWeb) running on a single platform (a NeXT Computer). Nowadays, billions of people access the Web daily, with the ability to choose from over a dozen browsers running on desktop computers, laptops, and a variety of mobile devices, such as cell phones. The number of possible combinations is growing rapidly, and makes it increasingly difficult for Web designers and developers to craft their sites so as to be universally accessible. This is particularly true when accounting for Web users with physical and cognitive disabilities — especially if they do not have access to assistive technologies. The challenges and solutions for anyone creating an accessible website are addressed in Universal Design for Web Applications, authored by Wendy Chisholm and Matt May.” Keep reading for the rest of Michael and Laura’s review.
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Cross-Distro Remote Package Administration?
tobiasly writes “I administer several Ubuntu desktops and numerous CentOS servers. One of the biggest headaches is keeping them up-to-date with each distro’s latest bugfix and security patches. I currently have to log in to each system, run the appropriate apt-get or yum command to list available updates, determine which ones I need, then run the appropriate install commands. I’d love to have a distro-independent equivalent of the Red Hat Network where I could do all of this remotely using a web-based interface. PackageKit seems to have solved some of the issues regarding cross-distro package maintenance, but their FAQ explicitly states that remote administration is not a goal of their project. Has anyone put together such a system?”
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Top 10 Ubuntu Downloads
First taste: Sugar on a Stick learning platform
AMD Overclocks New Phenom II X4 To 7 GHz
CWmike writes “Advanced Micro Devices on Thursday introduced the latest member of its Phenom II X4 family of high-performance quad-core CPUs, which the No. 2 chip maker said it had run as fast as 7 GHz in extreme overclocking tests. Out of the box, the new X4 955 Black Edition, which is aimed at gamers and hobbyists, runs at 3.2 GHz, giving it similar performance to Intel’s fastest desktop chips at lower cost, AMD says. The company was able to more than double the CPU’s speed during its tests using extreme cooling technology that is not safe at home, said Brent Barry, an AMD product manager. The Web site Ripping.org notes that hobbyists with early access to the X4 955 chip have been able to clock it at up to 6.7 GHz. AMD said the chip was safe with fan cooling at up to 3.8 GHz.”
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