Redhat Linux Product version as/es/ws the connection and the difference

Redhat has two major Linux product lines, the first is the free Fedora Core series mainly for desktop version, providing more new features of support. Another product line is the enterprise series of charges, this series is divided into: as/es/ws and other branches, they are redhat enterprise-class Linux, referred to as RHEL

As

Is the Super Server version (Advanced server), which builds on the standard Linux kernel, enhances performance and improves reliability, and integrates many common server drivers. It is easy to identify devices such as disk array cards for common rack-like servers such as IBM/DELL/HP.

The typical as application is:

1. Database and database application software

2.WEB and middleware

3.CRM, ERP,SCM

Es

is a compact version of the Enterprise Server (Enterprise server), as. The difference between him and the common as series is that as support to more than 4 CPUs, and ES can only support two-way CPUs. As and Es are not different on most packages, only on a few packages, such as the kernel. As and ES, the price difference is relatively large, usually es used in the OEM version purchased with the server, such as the purchase of Dell servers, with Linux will be the ES series. If you want to match the as series, you need to spend more than thousands of yuan.

Typical ES applications are:

1. Corporate Web Architecture

2. Network Edge Applications (DHCP, DNS, firewalls, etc.)

3. Mail and file/print services

4. Small and medium sized databases and sector application software

is the Workstation service version (Workstation Server), the further simplified version of ES, mainly for the internal desktop office market, the domestic less use WS is the best environment for desktop applications. It contains a variety of commonly used desktop applications (Office Tools, mail, instant messaging, browsers, etc.) to run a variety of client-server configuration tools, software development tools and various applications (such as EDA and Oil/gas applications, but it does not provide network service features such as DNS and DHCP). It is only suitable for client applications.

As, ES features no difference, whether x86, or an Itanium version, Rhel the last three disks exactly the same, that is, the package exactly the same. The first disk actually does not have any packages, just enable the installer to determine the installation package only, at the service level, the number of CPUs supported and the number of memory is different.

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