We’re pleased to announce the general availability of the Red Hat
Enterprise Linux 5.8 operating system with new and improved
functionality for enhanced performance, flexibility, and security. Our
commitment to continuous innovation enables Red Hat Enterprise Linux to
remain a scalable and trusted data center platform accommodating
mission-critical enterprise workloads in physical, virtual, and cloud IT
environments. And, the extension of the Red Hat Enterprise Linux 5 and
6 life cycle to 10 years means that our customers can plan IT
deployments and migrations according to their business needs, not ours.
Red Hat Enterprise Linux 5.8 supports new hardware platforms and
includes the following enhancements:
Hardware Support and Streamlined Installation
---------------------------------------------
* Support for Power Management Quality of Service (QoS) provides
automatic power management policy at the device level for managing
latency and throughput based on QoS needs. During critical production
windows, system administrators can enforce a high-performance,
low-latency mode.
* New iotop support enables the monitoring of I/O resources, such as
storage devices, at the process level, providing insight into potential
performance issues.
* PCI-e 3.0 enablement provides support for new and emerging PCI-e 3.0
adapters.
* Network, storage, and graphic driver enhancements are provided for new
hardware support.
* The configuration of IP over Infiniband (IPoIB) adapters is now
supported by the system installer, making installation of Infiniband
adapters easier.
Virtualization
--------------
* KVM scalability enhancements have increased the maximum supported
virtual guest size from 128 to 256 virtual CPUs, extending the reach of
virtualization deployments to large-scale workloads.
* The spice-client package now adds support for Red Hat Enterprise
Virtualization 3.0 and Red Hat Enterprise Linux 6.2 hosts. These
improvements also allow users to access their desktop virtual machines
over a WAN connection in addition to the local network.
* KVM enhancements include improved guest boot times and improved clock
and timer support. The KVM hypervisor has updated real time clock (RTC)
support to improve the performance of Red Hat Enterprise Linux 6 guests
on Red Hat Enterprise Virtualization or Red Hat Enterprise Linux 5 KVM
hosts.
* Additional KVM improvements increase the manageability and stability
of KVM hosts and Red Hat Enterprise Linux guests. Many of these
enhancements are in support of Red Hat Enterprise Virtualization 3.0.
* Xen enhancements provide improved guest performance, improved logging
for debug, and virtual disk re-sizing while a guest is running.
Security Management
-------------------
* OpenSCAP (Open Security Content Automation Protocol) support is now
compliant with the SCAP 1.1 (Security Content Automation Protocol)
specification, the most recent standard framework defined by National
Institute of Standards and Technology (NIST) for creating a standardized
approach for maintaining secure systems.
* Red Hat Enterprise Linux 5 has been tested to the United States
Government Configuration Board (USGCB) baseline and now meets the USGCB
recommendations for government agencies following USGCB guidance for
secure configuration policies.
Subscription Asset Manager (SAM) Beta Availability
--------------------------------------------------
We continue to invest in applications and functionality that provide our
customers more flexibility and control over their Red Hat Enterprise
Linux deployments. Accordingly, we are pleased to announce the Beta
availability of the Red Hat Subscription Asset Manager (SAM). SAM is an
asset tracking and inventory management application designed for
on-premise deployment. SAM is the newest component in the Red Hat
Entitlement offerings and will be included as part of your Red Hat
Enterprise Linux subscription.
For more information about Red Hat Enterprise Linux 5.8, the expanded
Red Hat Enterprise Linux life cycle, and the Subscription Asset Manager,
please visit:
* Red Hat Enterprise Linux 5.x release notes:
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/
* Red Hat Enterprise Linux 10 year life cycle:
http://www.redhat.com/rhel/lifecycle
* SAM Get Started Guide and beta download:
https://access.redhat.com/knowledge/solutions/70584
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