If you read my article "Get to know Linux: File permissions" you know that it's possible, out of the box, to control who can access a file and what they can do with it. This helps to make Linux a fairly secure system. But did you know you can take even further control of that system with the help of Access Control Lists?

Hopefully, you understand how important it is to thoroughly validate all user input accepted through a web form; after all, if you neglect this task, your data could be stolen or damaged via a SQL injection attack, or your users could be spoofed via a cross-site scripting attack.

Not all servers can--or should--be virtualized, says Novell cloud computing CTO, Moiz Kohari, who urges cloud service providers to focus on making their heterogenous setups work as one.

Google never seems to just be satisfied with the status quo, and when they run out of fields to compete in they create their own! Google’s new “Go” programming language is one of their newest ventures, a language which is an amalgamation of Python and C++.

An Introduction to XML provides students and entry-level professionals with demonstrations of the basics of learning XML, covering topics such as Web 2.0, AJAX, RSS, Web Services and managing XML data. These short Web-based video modules provide clear examples of XML as well as references to popular Web sites that use XML.

RevLin OS base is built upon a new kernel called PopCorn which is derived from a re-written version of the well established linux kernel, while still maintaining full binary support for applications and drivers allowing for vast hardware support.

Spammers beware! A new version of Apache SpamAssassin has you in its sights.

Mono is an open source project led by Novell to create a .NET-compatible set of tools that include, among others, a C# compiler and a Common Language Runtime. Mono can be run on Linux, BSD, UNIX, Mac OS X, Solaris, and Windows operating systems.