Red Hat Enterprise Linux (RHEL) 5.3 became globally available today, with the new enterprise OS featuring virtualization improvements, support for Intel's Core i7 architecture, and inclusion of the Open Java Development Kit from Sun Microsystems.
When interviewed in October last year, Red Hat global CEO Jim Whitehurst said virtualization was one of the company's key priorities. "Virtualization should be part of the operating system, not a separate layer," he said at the time.
Virtualization in RHEL 5.3 has been improved, including the ability to make larger virtualized machines --supporting up to 32 virtual CPUs and 80GB of RAM--in x86-64 environments. RHEL is currently used to run a number of large virtualization instances, including Amazon's elastic computing cloud, known as EC2.
RHEL 5.3 also includes support for Intel's latest chip architecture, Core i7, codenamed Nehalem. Released in August last year, Core i7 is the successor to Intel's Core 2 Duo architecture.
Finally, RHEL 5.3 includes the Open Java Development Kit, an open source implementation of Java SE 6 supported by Sun Microsystems. This inclusion is intended to support Red Hat's Java application server, JBoss.
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