RED HAT ENTERPRISE LINUX 5.2

Some Highlights of Enterprise Linux 5.2 Include:

Virtualization Enhancements

• Improved virtualization support for larger system configurations.
• Physical CPU support increased to 64 CPUs per system.
• Memory support to 512 GB per system.
• The number of network interfaces per guest is no longer limited to 3.
• Back-porting the CPU frequency scaling capability for the virtualization kernels from the upstream kernel, which provides reduced power consumption and improved virtualization performance and stability.
• Fully-virtualized guests using the new PV drivers gain significant I/O performance improvement.

Laptop and Desktop Enhancements

• The biggest change on the Desktop is a wholesale refresh of the primary Desktop applications:
  • Evolution 2.12.3
  • Firefox 3
  • OpenOffice 2.3.0
  • Thunderbird 2.0
• Improved laptop support providing Suspend/Hibernate/Resume enhancements.
• Graphics drivers updated

Encryption and Security Enhancements

• New asynchronous kernel crypto hardware driver APIs
• Added SHA-256/SHA-512 password encryption support, and RFC4303 compliant auditing support.
• Added new loggin facility for rsyslog, which will support different logging-backends, live-analysis interfaces and tcp connections.

Cluster and Storage Improvements

• Red Hat Cluster Suite now provides Resource Event Scripting Language. (This enables application failover capabilities).
• Cluster Suite also supports S CSI-3 reservation fencing support for active/active and active/passive DM/MPIO

Networking and IPv6 Enablement

• Improvement of the IPv6 compliance and SNMP IPv6 support
• OpenSwan package allows support for IKE 2 for IPv6 IPSec.

Serviceability

• SystemTap kernel tracing fully supported
• User-space tracing added as Technology Preview