You've probably heard of Journaling Flash File System (JFFS) and Yet Another Flash File System (YAFFS), but do you know what it means to have a file system that assumes an underlying flash device?

A research paper BrowseRank: Letting Web Users Vote for Page Importance delivered at a conference in Singapore this week, highlights Microsoft Asia Research's alternative to Google's PageRank algorithm, BrowserRank - "The more visits of the page made by the users and the longer time periods spent by the users on the page, the more likely the page is important.

"One of the lines on my list of things I can do in order to make progress on my book is to move my Drupal development environment from Eclipse to Emacs, as immersion would no doubt give me plenty of things to tweak and describe. When you use something every day, you notice the rough edges. With Emacs, you can sand those edges down.

Linux was filling up the memory. The boot loader was fetching more and more kilobytes of code. Thoughtlessly, without emotion. But what kind of emotions can we expect from a boot loader, honestly? Bit after bit, byte after byte, incoming chunks of code produced within many years of common effort, by many wise folks. They are the soul of the System.

Squid is a caching proxy server that can provide enhanced performance for HTTP and FTP. Squid will cache commonly accessed sites so that it can improve performance by 10-20% for Internet connections.

The Ubuntu development team yesterday released a series of security fixes for PHP running on Ubuntu 6.06 LTS, 7.04, 7.10 and Ubuntu 8.04 LTS. The updates fix a number of security risks in PHP, including a problem with PHP not properly checking the length of the string parameter to the fnmatch function.

The GNU/Linux operating system is blessed to have sound partition management tools like GParted which are very easy to use. However, when it comes to the management of 'virtual partitions' known as volumes, things are quite different. There is Linx Volume Management, or LVM for short, however it can only really be used from the command line.

This guide attempts to provide a Xen based test environment where you can practice setting up a two node cluster (cluster setup itself is not discussed here - I'm merely giving you what you need to set it up).