Introduction
Welcome to the System Administrators Guide.
The System Administrators Guide contains information on how to customize your Red Hat Enterprise
Linux system to fit your needs. If you are looking for a step-by-step, task-oriented guide for configuring
and customizing your system, this is the manual for you. This manual discusses many intermediate
topics such as the following:
• Setting up a network interface card (NIC)
• Performing a Kickstart installation
• Configuring Samba shares
• Managing your software with RPM
• Determining information about your system
• Upgrading your kernel
This manual is divided into the following main categories:
• Installation-Related Reference
• File Systems Reference
• Package Management
• Network Configuration
• System Configuration
• System Monitoring
This guide assumes you have a basic understanding of your Red Hat Enterprise Linux system. If
you need help installing Red Hat Enterprise Linux, refer to the Installation Guide. For more general
information about system administration, refer to the Introduction to System Administration. If you
need more advanced documentation such as an overview of file systems, refer to the Reference
Guide. If you need security information, refer to the Security Guide.
1. Changes To This Manual
This manual has been reorganized for clarity and updated for the latest features of Red Hat Enterprise
Linux 4. Some of the changes include:
Updated Kernel Modules and Manually Updating the Kernel Chapters
The Kernel Modules and the Upgrading the Kernel Manually chapters include updated
information in regards to the 2.6 kernel. Special thanks to Arjan van de Ven for his hard work in
helping to complete this chapter.
An Updated Network File System (NFS) Chapter
The Network File System (NFS) chapter has been revised and reorganized to include NFSv4.
Special thanks to Steve Dickson for his hard work in helping to complete this chapter.
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