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Advocacy is critical to the spread of open source and free software. Good advocates build trust in their audiences, explaining how, and if, F/OSS can help them solve their problems. Jono Bacon explains how to build trust and avoid overzealous advocacy.

TORONTO -- Open Source is a major force in Voice over Internet Protocol (define) that contributes innovation and provides real business value for the telecom manufacturers and resellers. That was the message from Mark Spencer, founder of the open source Asterisk PBX project and president of its commercial offshoot Digium, at the Voice Over Net (VON) show here today.

Mandrakesoft released its Corporate Server 3.0 product in February. It's a significant upgrade to the older 2.1 edition. With a newer kernel and a competent GUI management utility for its services, Corporate Server 3.0 is a good, inexpensive choice for businesses that need a powerful and secure server operating system with as little overhead as possible.

Greenplum Corp., which aims to bring the benefits of open-source software to the business-intelligence area, this week launched the beta version of its DeepGreen open-source database for data warehousing. The company also revealed the Bizgres project to enhance the open-source PostgreSQL database, upon which DeepGreen is based, for business-intelligence applications.

Samba developer Andrew Tridgell has released the source code to a tool that interoperates with Bitkeeper, the proprietary tool used by waddling Finn Linus Torvalds to manage the Linux kernel until last week.

Luban is a newly released component oriented scripting language. Luban is a clean syntax scripting language with its own component model tailored for scripting purpose. Luban’s component is Java Bean link attribute based object that is simpler than commonly used object oriented model.

It could be argued that among Linux users who know the technology best, application developers who write code on Linux boxes for Linux systems are in the upper echelon. One interesting trend among this influential sub-group of the Linux user base is a penchant for non-commercial or homespun Linux distributions.

Part 1 of our WiFi PDA/Linux series focused on setting up the iPAQ to browse the Web and connect to a Linux/Samba file server. This time, we'll look at printing from the iPAQ to a CUPS print server.

Damn Small Linux is much more than the business-card LiveCD that it originated as. It is a desktop computing powerhouse. DSL boasts an impressive and useful software collection while maintaining a slim 50MB footprint. It offers several options to run or boot the system along with simple configuration. Top it all off with a custom extension system, as well as apt-get, and you can begin to see why DSL is my workstation GNU/Linux distribution.

C++ creator Bjarne Stroustrup and software design guru James Coplien are calling for better training for software developers.

This tutorial shows you how to use IBM Rational Application Developer V6.0 to build dynamic Web sites. The tutorial walks you through a simple example that uses Java servlets and JavaServer Pages to implement a simple messaging center

Cambridge academic Ross Anderson argues that empirical analysis of software bug records will prove whether open source code is more secure than closed source, and show the true value of techniques like peer review and extreme programming.

Businesses increasingly use MySQL database and Red Hat Linux for grid computing, MySQL CEO says. MySQL AB is partnering with Red Hat Inc. to ensure that the two companies support users running the MySQL open-source database on Linux as companies build out large server clusters and grids.

Learn some of the basics of the USB subsystem, including how URBs work and what kind of host controllers are available.

Microsoft's Virtual Server 2005 Service Pack 1, due by the end of the year, will feature support for Linux.

Novell has just announced a point-of-sale (POS) system. Well, Novell is calling it "Novell Linux Point of Service 9" but those of us who've spent any time in the retail industry know that it's just the latest version of a POS system.

Koper, Slovenia and Lyon, France have been proposed as locations for the OpenOffice.org Conference 2005. Please visit the conference website and submit a vote for your favorite location.

Scott Handy says there's more to open standards and open source than just Linux. Handy, who is the vice president of worldwide Linux business strategy at IBM, delivered a keynote on the second day of LinuxWorld Canada.

Get detailed code examples illustrating how to map Win32 to Linux with respect to semaphore application program interfaces (APIs).

Panasas ActiveScale Storage Cluster Delivers Breakneck Speeds and I/O Throughput for AMD Opteron Processor-Powered Linux Compute Clusters