Red Hat Enterprise Linux Server 5.7 review

“Although the newest Red Hat Enterprise Linux (RHEL) release is
6.1, Red Hat continues with updates for its previous 5.x release.
The latest RHEL 5.7 gets some of the goodies of RHEL 6.x, in
particular with respect to KVM: migrating KVM virtual machines is
faster, CD drive emulation is enhanced and issues with the boot
order of virtual machines have been fixed. But even if you stay
with the Xen hypervisor, which is the default one in the 5.x
product line, there are several performance improvements for you,
including faster booting and xz compression support in PyGrub. And
although Xen isn’t supported anymore in RHEL 6, it’s still fully
supported in RHEL 5 until at least 2014 (when the distribution’s
regular life cycle ends).

Of course RHEL 5.7 also comes with better hardware
compatibility: there’s support for newer hardware that has been
introduced this year, including Intel, AMD, POWER and IBM System z
systems.

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