Red Hat Enterprise Linux 3

Author: (USA) Sharma, K.
Translator: Fu Hongyi, Zhang Jiayong
Country: United States
Publisher:
Publish Date: 2006-06-01
Features: Red Hat has been continuously developing Linux products for both desktop and server environments. Red Hat 9 has made many improvements in the desktop and graphical application areas. Behind Red Hat's great success, the most important factor is its relentless efforts in improving Linux release versions, making new Linux versions more user-friendly, more robust, more secure, and easier to manage. At the same time, Red Hat's success also benefits from its timely response to security issues and the continuous release of various application patches and updates. Recently, Red Hat has changed its marketing strategy. Below are some of the key changes.
● Red Hat's free products, including Red Hat 8 and Red Hat 9, will no longer receive free technical support after March 2004.
● Red Hat has funded the initiation of a project called Fedora, aimed at developing Linux by leveraging the strength of open-source teams. The goal of the Fedora project is to collaborate with open-source teams to develop a general-purpose operating system based on free software, while testing new technologies and features. The Red Hat Fedora project will provide cutting-edge technologies and a fast release cycle.
● Red Hat offers many fully supported products for enterprise computing. Red Hat Enterprise Linux (RHEL) is one such Linux operating system, fully supported by Red Hat and targeted at enterprise users. Other Red Hat-supported products include Red Hat Cluster Suite, Red Hat Developer Suite, Red Hat Content Management System, and Red Hat Portal Server.
● The release cycle for RHEL will be 12 to 18 months, with each version offering 5 years of technical support. This book will discuss three versions of RHEL—AS, ES, and WS—as well as various network services used in production environment application scenarios. Some of the key topics can be summarized as follows.
● Discussing how to implement and deploy RHEL in desktops, production server environments, and mission-critical applications.
● Discussing the implementation of various Red Hat Enterprise products, including Red Hat Cluster Suite and Red Hat Network (RHN).
● Discussing and deploying most of the web services used in production server environments.
● Discussing and implementing security policies.
RHEL Concept
RHEL is an open-source enterprise-class operating system for commercial and mission-critical applications, supported by Red Hat. The system also offers an annual subscription (annual subscription), which includes various levels of technical support and Red Hat License. RHEL has been certified by most hardware vendors, such as IBM, Dell, and Hewlett-Packard, as well as by many software providers, such as VERITAS and Oracle. The latest version of RHEL is version 3. Compared to version 2.1, this version introduces many new features. Some of the features of RHEL 3 are as follows.
● Enhanced stability and updated technology. It is based on the Linux kernel 2.4.21, with a large number of enhanced new features.
● By supporting larger...