Chapter 17. Web Servers and Services

Apache HTTP Server 2.4

Version 2.4 of the Apache HTTP Server (httpd) is included in Red Hat Enterprise Linux 7, and offers a range of new features:
  • an enhanced version of the "Event" processing module, improving asynchronous request process and performance;
  • native FastCGI support in the mod_proxy module;
  • support for embedded scripting using the Lua language.
More information about the features and changes in httpd 2.4 can be found at A guide to adapting configuration files is also available:

MariaDB 5.5

MariaDB is the default implementation of MySQL in Red Hat Enterprise Linux 7. MariaDB is a community-developed fork of the MySQL database project, and provides a replacement for MySQL. MariaDB preserves API and ABI compatibility with MySQL and adds several new features; for example, a non-blocking client API library, the Aria and XtraDB storage engines with enhanced performance, better server status variables, and enhanced replication.
Detailed information about MariaDB can be found at

PostgreSQL 9.2

PostgreSQL is an advanced Object-Relational database management system (DBMS). The postgresql packages include the PostgreSQL server package, client programs, and libraries needed to access a PostgreSQL DBMS server.
Red Hat Enterprise Linux 7 features version 9.2 of PostgreSQL. For a list of new features, bug fixes and possible incompatibilities against version 8.4 packaged in Red Hat Enterprise Linux 6, please refer to the upstream release notes:
Or the PostgreSQL wiki pages: