CentOS 6.2 Lamp system integration and safety

LAMP (linux-apache-mysql-php) website architecture is currently the international popular web framework, which includes (Linux operating system), Apache network server, Mysql database, Perl, PHP language, all components are open source software, is a mature international architecture framework, many popular commercial applications are using this framework, compared with the JAVA/J2EE architecture, lamp has a rich web resources, lightweight, rapid development features, and Microsoft. NET architecture, lamp has universal, Cross-platform, High-performance, low-cost things, so lamp whether it is performance, quality or price is the preferred platform for the enterprise to build the site, lamp website optimization structure as follows:

For large traffic, large concurrent volume of the Web site system architecture, in addition to the hardware using high-performance servers, load Balancing, CDN, etc., in the software architecture needs to focus on the following aspects: the use of high-performance operating system (OS), High-performance Web server (Web servers), High-performance databases (database), high efficiency into language, etc.

Choice of operating system

Linux operating systems have many different distributions, such as Red Hat Enterprise Linux, SUSE Linux Enterprise, Debian, Ubuntu, CentOS, and each release has its own characteristics, such as rhel stability, Ubuntu's ease of use, based on stability and performance considerations, the Enterprise operating system recommends choosing a genuine (including purchase service) Red hat or SuSE Enterprise version, as once a failure or problem occurs during deployment or operation, the manufacturer's engineers provide technical support.

If you want to use a free operating system for cost reasons, it is recommended that Centos,centos (Community Enterprise operating system) be one of the Linux distributions, rhel/red Hat Enterprise The Lite free version of Linux is the same as Rhel's source code, but the upgrade services offered by Enterprise editions such as Rhel and SuSE LE are fee-based, so requiring a free, highly stable server can be used CentOS instead of Red Hat Enterprise Linux.