Installation guide

Release Notes

Apache in Red Hat Enterprise Linux 6 features support for the Server Name Indication (SNI) protocol,

which enables name-based virtual hosting over Secure Sockets Layer (SSL) connections. Additionally,

support for the Web Server Gateway Interface (WSGI) has been added to Apache for this release,

enabling the use of python web application frameworks that implement the WSGI standard.

17.2. PHP: Hypertext Preprocessor (PHP)

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server. In

Red Hat Enterprise Linux, PHP now supports the Alternative PHP Cache (APC).

17.3. memcached

memcached is a high-performance distributed object caching server that is designed to increase the

performance of dynamic web applications by reducing database load. memcached is a new feature in

this release, and provides bindings for C, PHP, Perl and Python programming languages.

18. Databases

18.1. PostgreSQL

PostgreSQL is an advanced Object-Relational database management system (DBMS). The postgresql

packages include the client programs and libraries needed to access a PostgreSQL DBMS server.

Red Hat Enterprise Linux 6 features version 8.4 of PostgreSQL

18.2. MySQL

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon

(mysqld) and many client programs and libraries.

This release features version 5.1 of MySQL. For a list of all enhancements that this version provides,

refer to the MySQL Release Notes

19. Architecture Specific Notes

Red Hat Enterprise Linux 6 is architecturally complete, and all supported architectures are now

available.

Red Hat Enterprise Linux 6 will not provide support for the Intel® Itanium® architecture. All Itanium-

related development will be incorporated into Red Hat Enterprise Linux 5 exclusively. Up to and

through March 2014, Red Hat Enterprise Linux 5 will provide support, deliver new features, and enable

new Itanium hardware in accordance with the published Red Hat Enterprise Linux product life-cycle.

In addition, extended support for Red Hat Enterprise Linux 5 for Itanium is available up to March 2017

from selected OEMs.

On the POWER architecture, Red Hat Enterprise Linux 6 requires a POWER6 or higher CPU.

POWER5 processors are not supported on Red Hat Enterprise Linux 6.

http://dev.mysql.com/doc/refman/5.1/en/news.html