The Linux kernel is the core of a large and complex operating system, and while it's huge, it is well organized in terms of subsystems and layers. In this article, you explore the general structure of the Linux kernel and get to know its major subsystems and core interfaces. Where possible, you get links to other IBM articles to help you dig deeper.

Uploading pictures to Flickr via its Web-based interface is a hassle, particularly if you have dozens of shots to upload. Linux users have a better choice, though, in the form of Kflickr, a simple application for uploading shots to Flickr that will have your family photos online in no time.

"All the big film studios primarily use Linux for animation and visual effects. Perhaps no commercial Linux installation is larger than DreamWorks Animation, with more than 1,000 Linux desktops and more than 3,000 server CPUs"

Building cross-platform applications just got a bit easier with the release of Trolltech's Qt 4.3

Emacs fans, limber up your fingers -- there's a new GNU in town. Almost six years after the release of the previous version, the Free Software Foundation has announced the release of GNU Emacs 22. (Actually, 22.1, but who's counting?)

"Have you wanted a full-functionality web-server, media host, bit-torrent client and NAS box, all fully remote-controlled? Want to build it out of spare parts? Well then..." The guys at bit-tech have their Linux guru explain a complete networking solution built from old junk. Contains scripts, step-by-step instructions and lots of pics.

The final version of Linux Mint 3.0 (codename Cassandra) burst onto the Linux scene today, based on Bianca and compatible with Ubuntu Feisty and its repositories.

The Music Player Daemon (MPD) is a very different, and very cool, way to play back music online. Unlike typical music-playing applications, MPD does not have a graphical (or even command-line) interface. Instead, a variety of clients interact with MPD over the network.