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Today's low-end PC hardware is like the supercomputers of yesteryear, and yet it can feel like you're still struggling with an old 386. Akkana Peck shows how to use the ps and top commands to find CPU and memory hogs on your Linux computer.

Turns out Yahoo! is more than just a Microsoft plaything. Today they will unveil a revamped interface that among other things enables users to update social media sites directly from the Yahoo! search Home page.

Making the best use of available memory is one of the biggest challenges for any operating system. Throwing virtualization into the mix adds both new challenges (balancing memory use between guests, for example) and opportunities (sharing pages between guests). Developers have responded with technologies like hot-plug memory and KSM, but nobody seems to think that the problem is fully solved. Transcendent memory is a new memory-management technique which, it is hoped, will improve the system's use of scarce RAM, regardless of whether virtualization is being used.

A recently discovered root exploit attacked the newest Linux versions and circumvented protection systems such as SELinux and AppArmor. A solution has been found.

The Gnome user interface used by Ubuntu and Linux Mint allows a huge amount of graphical customization, but these features are rarely used. Part of the problem is that to make an aesthetically appealing theme you need to blend various elements: windows decorations, widgets, icons, backgrounds. Although many of these are available online, it is not easy to find sets that work well together to deliver a consistent look.

After rumors of an OpenSSH exploit vulnerability got out, an anonymous hacker group intends to release the exploit code and an accompanying worm "within 48 hours."

Here is a collection of short videos starring Linux: from IBM, Novell, and random creative people doing random creative acts like taking Tux skydiving, running 165 Linux applications at once, and making movies with Blender. Enjoy!

As most people reading here already know, I work for Microsoft as a technology evangelist. However, writing this blog, as well as whatever else I do online in the social media space is entirely my own choice, and not Microsoft’s. Keep that in mind as you sit down, relax, and listen as I tell you a story…

An emerging app store could help Ubuntu and Debian push deeper into the consumer and corporate markets, where Linux novices and curious VARs are seeking simple ways to track down, install and evaluate applications. But here’s the twist: The emerging app store, which offers Ubuntu Linux and Debian applications, wasn’t built by Canonical. Here’s the scoop.

London July 21, 2009: Canonical, the founder of the Ubuntu project, announced today that it has open-sourced the code that runs Launchpad, the software development and collaboration platform used by tens of thousands of developers.

A security researcher has released zero-day code for a flaw in the Linux kernel, saying that it bypasses security protections in the operating system. The source code for the exploit was made available last week by researcher Brad Spengler on the Dailydave mailing list. According to the researcher, the code exploits a vulnerability in Linux version 2.6.30, and 2.6.18, and affects both 32-bit and 64-bit versions. The 2.6.18 kernel is used in Red Hat Enterprise Linux 5.

This tutorial shows how you can install Sun VirtualBox 3.0 (released on June 30, 2009) on a Fedora 11 desktop. With VirtualBox you can create and run guest operating systems ("virtual machines") such as Linux and Windows under a host operating system. There are two ways of installing VirtualBox: from precompiled binaries that are available for some distributions and come under the PUEL license, and from the sources that are released under the GPL. This article will show how to set up VirtualBox 3.0 from the precompiled binaries.

The Renaissance Project team, part of the User Experience Project (UX) at OpenOffice.org, have announced that the Renaissance prototyping phase that began on the 12nd of June, will end on the 24th of July. The goal of the prototyping is to build "a flexible framework for mid-fidelity prototyping to test promising UI designs with real users".

A software company based in Redmond, Wash. has released 20,000 lines of code under GPLv2 for three Linux device drivers. Microsoft says its first open source Linux code contribution is designed to speed the performance of the operating system when it's run in a Hyper-V virtual machine.

The mobile industry is becoming interesting. We have finally reached a point where the smartphone is actually smart and the average user can gain serious benefits from using one. How did this come about? In a word: competition. When the iPhone arrived on the scene, users scrambled to get their hands on it, and competitors scrambled to make a device that would have the same appeal. It has taken a while, but the competition has arrived. Android phones, Palm Pre, BlackBerry Bold--they are all outstanding entries into this market. But two of those entries will, in my opinion, outshine the rest for one simple reason--open source. Why is open source going to help raise these phones above the competition? Here are 10 reasons.

Last week VIA re-released their Chrome 9 DRM in hopes of pushing it into the mainline Linux kernel. However, the only user of this DRM code at present is their Linux binary graphics driver and VIA Technologies has no intentions of providing an open-source Chrome 9 3D driver. However, within a month or so, VIA claims to be releasing a new 2D driver that can use this DRM to some extent. This whole situation with VIA has reignited the discussion over what to do when a company is interested in pushing an open-source DRM driver into the mainline Linux tree, but it's really only used by closed-source user-space drivers.

Microsoft dropped a mini-bombshell on Monday, announcing that it is contributing thousands of lines of code for inclusion in Linux. But lest anyone think Microsoft suffered a massive head trauma over the weekend, the code it is releasing isn't really about helping Linux compete better with Microsoft. The drivers are really geared at making Windows a better host for Linux.

Microsoft Corp.'s move to release three of its drivers to Linux, however technically modest it may be, could put pressure on other closed-source vendors to follow suit. The uneven availability of drivers for Linux has long contributed to the open-source operating system's forbidding reputation among non-techies, and -- despite its free price tag -- to its slow growth. According to Greg Kroah-Hartman, a longtime Linux developer for Novell Inc. and the head of the Linux Driver Project, Linux today "supports hundreds of thousands of drivers."

Lately, I’ve had a tendency to make fun of the mainstream applications people use to develop websites, asserting my nerd supremacy my touting my love for superior applications. Nothing good comes out of applications like Dreamweaver and FrontPage, I say, except for buggy and ugly websites. I would post snide little comments on Reddit, making fun of bad design and telling people to use Textmate. Then, a more elite nerd than I came along and ruined it for me by suggesting I wasn’t good enough because I didn’t use Emacs.

Microsoft is embracing cancer to help ensure Windows survives server-room consolidation. The company has released 20,000 lines of Windows kernel code under version two of the GPL. Microsoft called the license it once hated "the community's preferred license". How things have changed. Back in 2001, Microsoft's chief research and strategy officer Craig Mundie described the GPL as a threat to users' intellectual property and the independent commercial software sector.