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Explore the structure of the Linux networking stack from the perspective of its layers and also examines some of its major structures. Its interfaces range from the protocol agnostics, such as the common sockets layer interface or the device layer, to the specific interfaces of the individual networking protocols.

People new to Linux are often confused by the large number of distributions there are to choose from. The good news is that you can safely ignore most of them. This article helps you cut through the confusion of choosing a Linux Distribution your exploration—and helps you understand just what it is you've chosen.

DocBook XML is a library of standard XML tags you can use to write stylesheets for generating almost any output. Learn how to use DocBook XML and the Eclipse IDE together to create reusable technical documentation that you can easily distribute in most formats.

Related Links

• Developing Eclipse RCP for WebSphere
• WebSphere Application Server Community Edition

Using the Google Web Toolkit (GWT), a Java programmer can write rich Ajax applications completely in the Java programming language. Learn how Cypal Studio for GWT helps create new GWT modules, supports the creation of remote procedure calls, and makes it easy to view and deploy your Web applications.

Related Links

• Develop a Web Application Using Ajax with Dojo and DB2
• Premiering DB2 Express-C- The Truly Free Database Ajax Ready

In this article, learn best practices for porting a JPEG compression application to the Cell/B.E. Synergistic Processor Engine (SPE), and see how to take advantage of the processor's unique architecture and avoid its shortcomings.

Portlets are powerful tools for aggregating data from multiple locations, integrating different applications, and providing a collaborative workspace for groups of users. To test portlets in development, Apache Pluto is a good choice. This article teaches you how to install and configure the Pluto portlet container inside the Apache Geronimo server.

This article is the first of a three-part series about developing an end-to-end Ajax application using an open source middleware stack. If you're a novice Web developer who can read and understand the code written in XHTML, CSS, JavaScript, PHP, and SQL, this article is for you. After you're done, you will have a good understanding of the basic concepts of Ajax and its potential in the context of a three-tier Web application scenario.

Control what runs on today's PC environments and protect your system with IBM Assured Execution Environment (AxE). This technology requires no configuration and once installed blocks any external, “unapproved programs,” from executing, installing, or modifying your machine.

Linux, Apache, MySQL, and PHP form the basis of the LAMP architecture for Web applications. This third article, the last in a series of three, focuses on tuning the database layer for maximum efficiency. The first article covers the basics of LAMP, while the second article focuses on steps you can take to optimize Apache and PHP.

Save time and headaches, and create a more easily maintainable set of pages, with the Ruby on Rails ActiveScaffold plugin. ActiveScaffold handles all your CRUD (create, read, update, delete) user interface needs, leaving you more time to focus on more challenging (and interesting!) problems.

Process NOAA WSR-88D radar data using open source image processing tools (GD and Perl) to determine if it’s likely to rain soon in a specific location. Create precise detection zones so you can receive a page, SMS, or e-mail a few minutes before the precipitation event, giving you a handy notice of when you can dash inside from your car.

Get a feel for programming models that work on the Cell/B.E. processor. In this first article, Peter Seebach introduces the API used to run programs on SPEs, focusing specifically on loading code on an SPE and sending data to it for processing.

Part 2 of the Building Google gadgets series introduces advanced gadget features, including creating tabbed interfaces, drag and drop, MiniMessages, and gets you started creating your own. Part 1 built the foundation for gadgets, teaching you about data types and the specifics of the gadget XML file.

Atom is a great format for relaying information, but what about security concerns? XML Digital Signatures and Encryption can ensure trusted, unaltered, secure data transfer. But how can you use them without destroying Atom structures? This article shows you how easily the digital signatures and encryption can mesh with Atom data using the Apache Abdera API.

Maintaining an installed base of Linux machines can be a harrowing experience for an administrator. This tutorial is the first in a two-part series that shows you http://www.ibm.com/developerworks/edu/l-dw-linux-lockdown1-i... and why to lock those machines down to streamline the associated support and administration processes. In this tutorial, you learn how to remove the interpreters from the installation base system.

As a developer, time is your most valuable resource. These six tips on how to write maintainable code are guaranteed to save you time and frustration: one minute spent writing comments can save you an hour of anguish. In this article discover how to keep your code from destroying you.

Focused on populating, validating, and querying XML content pertinent to a specific industry, the pureXML industry bundles illustrate access to stored XML content through small script or Java-based applications. In this article, you'll learn about the industry-specific XML exchange formats, and how you can easily get started with implementing these solutions.

Learn how to construct and deconstruct a simple multicluster using the General Parallel File System (GPFS), and remotely add an existing GPFS cluster to another cluster. GPFS is the parallel file system from IBM for AIX 5L and Linux clusters made up of System x and System p computers.

This article shows you how to get started installing and configuring WebSphere MQ on Linux and developing Java applications for the MQ environment, using sample applications for sending messages to and receiving messages from a queue.

Linux, Apache, MySQL, and PHP form the basis of the LAMP architecture for Web applications. This article focuses on steps you can take to optimize Apache and PHP, because as the load on an application increases, the bottlenecks in the underlying infrastructure become more apparent in the form of slow response to user requests.