Red Hat Wednesday made its Enterprise Linux OS available on demand by releasing it for the Amazon Elastic Compute Cloud (EC2) service that hosts business applications. The move is part of Red Hat's so-called "automation" strategy, which aims to deliver a Linux and open-source infrastructure for simplifying how applications run and are managed.

Are you considering an enterprise-wide switch from a Microsoft operating system to Linux? Or are you using Linux already and want to know how your distro stacks up against others?

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Are you considering an enterprise-wide switch from a Microsoft operating system to Linux? Or are you using Linux already and want to know how your distro stacks up against others?

Zend Technologies has announced that it is working with Oracle to deliver an integrated and optimized enterprise-class Linux and PHP solution for deploying and managing business-critical Web applications. Zend's Web application server is now available through the Oracle Unbreakable Linux Network (ULN). Zend Server also includes out-of-the-box enterprise-grade connectivity to Oracle Database.

Should you believe Red Hat's claims that its new Exchange marketplace for "open source business applications" contains nothing but open source business applications? We say "no" - since not even Red Hat appears to have a good answer for this question.

In the latest part of "An Open Source Business", we take a look at the online music world and the business models for competing with or even making a business out of "free."

CIO.com asked the lead guys for each distro about its suitability for business use. In "Red Hat Enterprise Linux: The Business OS for Flexibility and Value" Brian Stevens, CTO and vice president of engineering, Red Hat makes his case that Red Hat is the choice for reducing operating costs and providing a secure, reliable, scalable operating system.

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