IBM has published the following technical articles, tutorials, and downloads on its DeveloperWorks website. They cover a range of interesting (though not necessarily embedded) technical topics, primarily related to Linux and open source system development. Some require free registration. Enjoy . . . !

• Workplace Client Technology, Micro Edition V5.7.1 — IBM Workplace Client Technology, Micro Edition provides an integrated platform for the extension of existing enterprise applications to server-managed client devices such as desktop computers, laptop systems, PDAs, and other mobile and pervasive devices.
• High-availability middleware on Linux — Data is at the heart of any business, and access to it should be available with minimum downtime. In this article, take a look at the setup and implementation of a Linux High Availability solution for IBM DB2 Universal Database. Critical database applications demand a robust strategy for the preventing data loss and guaranteeing high vailability of your data store. DB2 UDB makes it easy to manage large databases with excellent availability characteristics.
• Cryptography, from Egypt through Enigma — You've probably heard of Enigma, Germany's WWII-era encryption system. When is an enigma not an enigma? When it is deciphered. Learn how to make your own paper enigma encoder, then peruse the source code that duplicates its action to understand its simple yet ingenious inner workings
• Why FreeBSD — The FreeBSD operating system is the unknown giant among free operating systems. Starting out from the 386BSD project, it is an extremely fast UNIX-like operating system mostly for the Intel chip and its clones. In many ways, FreeBSD has always been the operating system that GNU/Linux-based operating systems should have been. It runs on out-of-date Intel machines and 64-bit AMD chips, and it serves terabytes of files a day on some of the largest file servers on earth.
• Build a Wireless ISP on Linux — Setting up a wireless Internet Service provider (WISP) for your office or neighborhood doesn't have to be a taxing or expensive ordeal. If you build your network from easy-to-buy equipment and use Linux, you can use the power of shell scripts to make network management easy.
• Java Swing talks to a Geronimo EJB application — Building on two previous articles — Three ways to Connect a Database to a Geronimo Application Server (link) and Dive into EJB Web applications with Geronimo (link) — this article will show you how to develop a stand-alone (fat) client that can communicate with an EJB application running inside the Geronimo application server.
• Got Cycles? — Many of you are probably already aware of [email protected], “a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence.” Another global effort worth investigating is the World Community Grid, a massively parallel machine with 100,000 devices attached.

 
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