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Our monthly Q&A series offers advice to those seeking help with home or small business WLANs. This month our guru looks into his crystal ball and considers the future of Wi-Fi in the 4G era before helping a reader work out some problems with a wireless printer and DD-WRT.

Everyone has heard of Ubuntu Linux and how great it is on the desktop, but have you heard that there's a server version of that same uber-cool operating system? There is, and you should know about it. Ubuntu Server not only follows the same twice yearly updates (April and October) as its desktop counterpart does, but it also benefits from unsurpassed commercial support, consulting and training available through Canonical.

If Linux is going to make significant strides in increasing market desktop share, it needs to be able to compete with Windows in all areas. The average computer user typically just wants a single operating system to use for their work, to surf the net, to keep in contact with family and friends, and to have some fun. Having to reboot between operating systems is frankly too inconvenient for many users, as well as being perceived as too difficult. Whilst you can run many Windows software from Linux (e.g. by using virtualisation software, or Wine), again this simply appears to add to the complexity of using the PC. Furthermore, whilst Wine does allow some of the hottest Windows games to run under Linux, it is inevitable there will always be some incompatibility issues.

NeXpose from Rapid7 is a unified vulnerability solution that scans networks to identify the devices running on them and to probe these devices for vulnerabilities. It analyzes the scan data and processes it for reports. The vulnerability checks in NeXpose identify security weaknesses in all layers of a network computing environment, including operating systems, databases, applications, and files. NeXpose can detect malicious programs and worms, identify areas in your infrastructure that may be at risk for an attack, and verify patch updates and security compliance measures.

This tutorial describes how to scan emails for image spam with FuzzyOCR on a Debian Lenny server. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing images as the main content carrier. Using different methods, it analyzes the content and properties of images to distinguish between normal mails (ham) and spam mails. FuzzyOCR tries to keep the system load low by scanning only mails that have not already been categorized as spam by SpamAssassin, thus avoiding unnecessary work.

Today is Thursday, April 29, 2010. It's almost half past six in the morning in the western United States where I live. I started looking about the web for announcements of the production release of Ubuntu 10.04. I didn't find them. Given the time difference between me and Canonical, I figured the mirrors for the production download would be available by now. I decided to go to the source but the Ubuntu Home page still announces Ubuntu 9.10 as the latest production release. I double checked the release schedule and it does say the Lynx should be at final release on the 29th. Am I being impatient?

Finally! Ubuntu 10.04 LTS codenamed "Lucid Lynx" is released. This is by far the most important release as far as Ubuntu is concerned since its inception. Plethora of changes and improvements, even includes a major branding make over.

That's right, in less than 24 hours since we asked for your help to translate Ubuntu Start, version 0.4.8 has been released and it now supports multiple languages (17 to be more specific). So what is Ubuntu 10.04 Start? The main purpose of this script is to speed up configuring Ubuntu 10.04 immediately after you've just installed it. This includes both installing popular applications and codecs as well as fixing some annoyances in Ubuntu 10.04.

Kernel News has an excellent article covering the ins and outs of running Gentoo Linux. Not sure why no one covers Gentoo Linux anymore, nice to see someone is covering this excellent Distribution.

There are several resources out there to assist you in being a Linux gamer. The WINE project (www.winehq.org) is a great, free example of this as it allows you to run Windows programs (and games) on Linux. Transgaming's Cedega (cedega.com) software also allows you to do the same but the difference is that there's a cost associated with this software. Today, though, we're going to introduce you to another option for being a Linux gamer-- the Linux-Gamers project (live.linux-gamers.net).

Stick a fork in the desktop, it's done! Recently Google demoed a port of Quake II to WebGL and HTML5, showing that even first person shooters are suitable applications to run in the browser. While the tide isn't going to turn all at once, it seems more likely than ever that a browser-based desktop is a viable option and ultimately the way many users will experience all applications.

During the stabilization phase of the kernel development cycle, the -rc releases typically happen about once every week. 2.6.34-rc4 is a clear exception to that rule, coming nearly two weeks after the preceding -rc3 release. The holdup in this case was a nasty regression which occupied a number of kernel developers nearly full time for days. The hunt for this bug is a classic story of what can happen when the code gets too complex.

No doubt, you know Ubuntu 10.04 debuts today. Most Ubuntu trackers are focused on the desktop and server editions — where Canonical seems to be making progress with ISVs and partners. But during a recent discussion with Canonical Chief Operating Officer Matt Asay (pictured), it became clear to me that Canonical thinks Ubuntu Enterprise Cloud may unlock key revenue opportunities for the company.

PlayOnLinux 3.7.5 is now available for download.

Ubuntu 10.04 LTS Lucid Lynx is released.

Microsoft has now joined Apple in a guerrilla war against Google's Android, and Google's next steps are far from certain. The smartphone industry is still in its infancy, but its strategic importance to computer companies big and small can't be overstated. Recent moves from Apple and Microsoft show that the big guys are not going to be shy about deploying their array of patents as competition increases.

The latest MessageLabs spam index reveals that relative to its market share, any given Linux machine is five times more likely to be sending spam than any given Windows machine. But what are the facts behind those headline grabbing numbers and can Windows really get off the hook that easily?

This two-day introduction to Linux broadens attendees horizons with a detailed overview of the operating system. Attendees learn how to effectively use a Linux system as a valuable tool. They get familiar with the architecture and various components of the operating system, learn both graphical and command line tools, and learn to do basic networking. This class is scheduled for May 13th - 14th, 2010.

System Administrators (SAs) have a tough job: Dealing with users and user accounts, security, patching, updates, upgrades, disk space, performance and other miscellaneous tasks often known as "other duties as assigned." For some SAs, the day never ends. Despite the challenges, pitfalls and occasional irate user; system administration is a fulfilling job with intangible rewards like no other position in IT. To assist those weary SAs in their quest to conquer their Linux systems, I've devised this list of 12 native Linux system monitoring tools that are always at my fingertips.

I was first introduced to jQuery a year or so ago when I read David Sawyer McFarland's JavaScript: The Missing Manual from Pogue Press, which was more about jQuery than learning JavaScript basics (as I had originally assumed). It was a happy accident though, and I discovered how to get a lot more out of JavaScript by leveraging the jQuery framework making my efforts generally more quick and less painful (well, I'm not lightning fast, but I'm not an expert, either). I've been looking for a "pure jQuery" book for a while, but there really aren't a lot of good books on the topic out there. When I saw the Castledine and Sharkie book was available, I jumped at the chance to review it.