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By Stephen Shankland, 15 November 2004 08:40

NEWS

Sun Microsystems plans to announce a free version of its Solaris operating system on Monday, taking a page Red Hat tore from its playbook in 2003.

John Loiacono, executive vice-president of Sun's software business, said anyone who registers with Sun will be able to use Solaris for free on servers with x86 processors. It's not a totally free lunch, though: Sun will provide security updates in the free version but will charge an annual subscription fee for bug fixes and support.

Sun will begin the new pricing when it starts selling its new Solaris 10 version, scheduled to ship by the end of January, Loiacono said. The subscription will cost $120 per processor per year for bug fixes, $240 per processor per year for 12-hour support five days a week and $360 per processor per year for 24-hour support seven days a week. With premium support, the new Solaris 10 version will cost $1,440 per year for a server with four Opteron processors from AMD, for example.

The pricing strategy, to be announced at a quarterly product launch event in San Jose, California, is the first half of an ambitious effort to retrieve relevance that Solaris lost to Linux. The second half will arrive in 60 to 90 days as Sun releases the source code of Solaris under an open-source licence, Loiacono said.

Solaris competes with Microsoft's Windows and with Unix variants such as IBM's AIX and Hewlett-Packard's HP-UX. But Linux is a particular thorn in Sun's side: It runs on inexpensive x86 servers like Windows does, but it employs the Unix style and features, which are familiar to Solaris and AIX system administrators.

So it should come as no surprise that Sun is targeting Red Hat, the top Linux seller, with Solaris.

Sun has made no bones about its plans. Sun president Jonathan Schwartz said in March the Solaris subscription plan will allow Solaris "to become a lot more transparently competitive with Red Hat". And Sun says it won't "hijack" open-source programmers, as it accuses Red Hat of doing.

Two years ago, Red Hat had only one version of Linux, a product that was certified to work with other companies' hardware and software and that could be installed on as many servers as a customer desired. But in 2003, Red Hat split its product line into two halves: the free "Fedora Core" version that's unsupported, uncertified and fast-changing; and the Red Hat Enterprise Linux version that costs a minimum of $349 per server per year and comes with certifications, stability and support.

Red Hat counters that it has long open-source roots, while Sun has refused to release Java as open-source software. And it points out that open-source programmers don't like it when proprietary software companies employ open-source concepts just for marketing purposes.

The new plans aren't the first time Sun has tried bold moves to restore Solaris prestige. With the release of Solaris 8 in 2000, Sun let people look at the source code, if not actually change it, and said it was free, besides a $75 fee for CDs.

The x86 version of Solaris is now front and centre, but it's had a rocky past. Sun nearly killed the product by "deferring productisation" of that version of Solaris 9 in 2002. It resurrected x86 Solaris later that year and is now promoting it with a vengeance.

There's work to be done. "The x86 space is where we have currently, relatively speaking, zero to minimal presence," Sun's Loiacono said.

Sun has explicit goals. Among them, it wants to double the number of software companies that support x86 Solaris from the current 600, Loiacono said.

Stephen Shankland writes for CNET News.com.