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The IEEE 802.11n standard gives users a choice between 2.4 GHz or 5 GHz spectrum, but how do you know which one is best for your network needs? Jim Geier outlines the key factors to consider when deciding which spectrum to deploy.

Tuesday November 18, Ingres will announce its new open source database platform. The announcement is the first big database focused announcement in nearly two years from Ingres. Did you even know that Ingres was still around?

Openbravo, the open source ERP and POS specialist, is updating customers and partners on the company's strategy to offer native MySQL support. Here's the scoop.

If you work with lots of files at a time, work with large files frequently, need a simple way to zip and unzip file archives, or just need a good file and archiving management tool when on-the-go, check out PeaZip.

Microsoft can't effectively attack the hundreds of community distributions. It can't even target the prime ones like Debian, Slackware, and Gentoo, which are parents to hundreds of other distributions. There is nothing to attack, except with silly trash-talk, empty patent threats, and a lot of deceptive "MS hearts OSS" posturing that fools no one. So Red Hat represents a concrete target. Never mind that killing off Red Hat will not kill off Linux; when a bully wants to mash someone the mashing is all that matters. We expect irrational, destructive behavior from Redmond.

Lenovo has introduced a special 60-day money back guarantee on its ThinkServers, which run Novell SUSE Linux or Windows and target small businesses. But the guarantee is only available from one specific Lenovo distributor. Here's the scoop.

Just upgraded your system with a shiny new hard disk and want to make it your new book disk? Cloning Ubuntu to another hard disk is easy. In fact, Ubuntu provides tools to clone the entire hard disk -- including the Windows partition, if there's one on there. This is the kind of fundamental task that Linux excels at, in fact. This article is excerpted from the newly published book Ubuntu Kung Fu and published with the express permission of the publisher, the Pragmatic Programmers, LLC.

Though I'm not as guilty of chronically changing content management/blogging software as I am of switching up Linux distributions, I've used more than a few in my day. I began using WordPress in its 1.x days, and moved through Drupal, Mambo, and Joomla in a quest to see what really worked best for my situation.

The sour economy is causing industries and individuals alike to tighten their belts in just about all areas of spending, including software. Downloading free and low-cost open source software is often an attractive alternative to proprietary commercial products. The potential for enterprises and other users switching from high-priced software to open source alternatives poses a new opportunity.

SystemImager lets you create images of your Linux installations. To do so, you need an image server (should have enough disk space to store your images) and a so-called golden client (i.e., the system of which you want to make an image). This means that you have to install some software on your image server and on your golden client in order to run SystemImager. This tutorial shows how to install a SystemImager server and a SystemImager client, both using Ubuntu 8.10, and how to create/update/restore/delete images.

As of November 11 Intrepid Xen 3.3 Hypervisor may be back ported to Hardy Dom0 via repositories. Following bellow is a brief instruction for installation from scratch Ubuntu Hardy Dom0 with 2.6.24-21-xen kernel running with Xen 3.3 hypervisor

My colleague Steven J. Vaughan-Nichols in his aptly titled Cyber Cynic column on Computer World is always good for a reality check for all things technology, especially Microsoft. This week Vaughan-Nichols takes a look under the hood of the highly-vaunted Windows 7, and he finds nothing more than warmed over Vista stew, the same OS we didn't like much the first time Microsoft served it.

Over time, people tend to accumulate a large number of messages in various email accounts, most of which they never bother with again. The problem is particularly acute for administrator accounts that receive routine notifications of events that are viewed, if at all, no more than once. The archivemail tool lets you easily archive these old messages and thereby free up some disk space and improve your mail client's performance.

Many people think you can tell a lot about a person's subconscious thought by measuring various bodily functions including heart rate, blood pressure, and muscle tension (think polygraph machines). Whether you believe that biofeedback technology is cutting edge, interesting to ponder, or just a lot of hooey, there are a few biofeedback apps for Linux users who want to explore the concept.

The Debian Installer team is proud to announce the first release candidate of the installer for Debian GNU/Linux Lenny.

Advanced Micro Devices is releasing a computer chip that could give it a much-needed boost against bigger rival Intel. On Nov. 13, AMD unveiled a processor, code-named Shanghai, for use in servers, the powerful computers that run corporate networks. Unlike other recent chips from AMD, Shanghai is being released on time, and it will be more versatile than a comparable chip due to be released from Intel in the coming days. AMD says Shanghai will perform 35% better than its previous generation of server chips while decreasing power requirements by 35%, a combination that should help customers reduce operational costs while boosting efficiency.

Canonical has announced that because of increased demand from hardware manufacturers, it will begin supporting ARMv7 processors (used in many smaller and system-on-a-chip (SoC) devices) with an optimized, commercially supported, full version of the Ubuntu desktop.

The advent of outsourcing has greatly impacted the face of IT. As you know, India has taken the leading role in IT outsourcing and China is quickly catching up. In 2007, China’s software industry achieved revenue of RMB 583.43 billion and 21.5% YoY (year on year) growth; approximately 5 times more than half a decade ago, and CAGR was 39.4%. As a result of this explosive growth in IT outsourcing, Chinese software engineers working in this sector are increasingly exposed to technical areas they may be unfamiliar with. One of these areas is LAMP, especially when the P stands for “Perl” and not “PHP.” This presents a unique set of challenges to the Chinese software engineer and to the Perl community. This can also be a problem for companies who wish to outsource their LAMP projects but are coming up against a wall when it comes to finding the skilled resources they need.

This screenshot gallery takes you through the installation process and basic desktop functions of the latest beta version of openSUSE, the community version of Novell's SUSE Linux distribution.

The good, the bad and the confusing of determining cpu properties on various nix systems. Today, in keeping with yesterday's theme of covering a fairly specific topic and trolling it around the seamy underbelly of the world of Unix and Linux, we're going to take a look at how to grab CPU information from your Unix or Linux box. I try to cover the major distros here, but (of course) my resources are limited and (except for the HP-UX example below) I've personally run and verified all of the results of the commands put out in this post today.