Acknowledgments -- Introduction -- Chapter 1: RHEL 3 Basics -- Desktop Overview -- GNOME -- XFree86 -- Exporting a Display -- Command-Line Overview -- Virtual Terminals -- gnome-terminal -- Bash Shell Basics -- Hardware Configuration -- Using Kudzu -- Listing Detected Hardware -- Adding Modules -- Configuring Network Cards -- Configuring Video -- GUI Applications -- Text Editors -- Browsing the Internet -- Using Nautilus -- Using the GNOME Help Browser -- System Administration Tools -- Viewing the System Log with the GUI -- Viewing System Logs at the Command Line -- Viewing System Performance with the GUI -- Viewing System Performance at the Command Line -- Managing Users -- Building Default Profiles -- Adding a User with the GUI -- Adding a User with useradd -- Modifying Users with the GUI -- Modifying Users with usermod -- Deleting a User with the GUI -- Deleting a User with userdel -- Managing Files and Directories -- Examining Processes -- Using the GUI -- Using ps -- Using top -- Summary -- Chapter 2: Using Red Hat Network -- What Is RHN? -- RHN Concepts and Benefits -- RHN Modules -- Update Module -- Management Module -- Provisioning Module -- Receiving RHN Functionality -- Overview of Red Hat Support -- RHN Architecture -- Different Architecture Models Provided by RHN -- RHN Security Overview -- Hosted Architecture Model Security Features -- Proxy Architecture Security Features -- Satellite Architecture Security Features -- Activating Entitlement for the RHN -- Prerequisites for RHN -- Red Hat Update Agent -- Registering Your System with RHN -- Registering Your System Profile with RHN -- Updating the System -- Updating the System Manually -- RHN Alert Notification Tool -- RHN Alert Notification Tool Configuration -- Overview of the Red Hat Network Service Daemon -- The RHN Web-Based Management Interface.

Creating a New Account on the RHN Web Site -- Browsing the RHN Web Site -- Activating System Entitlements with RHN -- Advanced RHN -- Allocating System Entitlements to Systems -- Checking System Details -- Systems Groups -- Using Management Entitlement Functionality to Manage a Group of Systems -- Schedule System Updates -- Creating Multiple Users and Allocating Access -- Managing Systems Using Provisioning -- Kickstart -- Tag Systems -- Roll Back System to Last Snapshot -- Remote Command -- Downloading Red Hat Enterprise Distributions -- Miscellaneous Tasks -- Update Hardware/Package Profile -- Reboot Systems -- Lock/Unlock Systems -- Delete System Profile -- Summary -- Chapter 3: The File System -- Understanding the Filesystem Hierarchy Standard -- Understanding File System Permissions -- Managing Files and Directories -- Dealing with Ownership and Access -- Changing Ownership of Files/Directories Using chown -- Changing the Group of Files/Directories Using chgrp -- Special Notes on Directory Permissions -- Managing Permissions for Links -- Setting System Defaults -- Reorganizing Files and Directories -- Renaming a Specific File Type in the Current Location -- Managing Disks and Partitions -- Adding New Disks -- Taking Advantage of the ext3 File System -- Mounting File Systems as Read-Only -- Migrating from Old to New Disks -- Working with the proc File System -- Enabling an Access Control List -- Preparing a Partition for ACL -- Using ACL to Control Access to Files and Directories -- Troubleshooting the File System -- Resolving Disk Space Issues -- Resolving File Access Issues -- Summary -- Chapter 4: Storage Management -- What Is Storage Management? -- Raid and Volume Management -- Creating Space -- RAID -- Implementing a RAID in RHEL 3 -- Taking a Step beyond RAID-Volume Management -- Summary.

Chapter 5: High Availability: Ensuring You're Always Up -- Cluster Overview -- Clustering Hardware -- Hardware Selection -- Hardware Configuration -- Cluster Software Configuration -- External Storage Devices -- Raw Devices -- Setting Up Partitions -- Installing and Configuring the Cluster Software -- Installing the Packages -- Configuring the Cluster -- Configuring Cluster Daemons -- Adding Cluster Members -- Setting Up a Service with Failover Clustering -- Adding a Service -- Testing the Cluster Configuration -- Troubleshooting the Cluster Configuration -- Installing the Apache Web Server as a Service -- Configuring the Shared Storage -- Installing the Apache Server -- Adding the Service to the Cluster -- Cluster Administration -- Command-Line Administrative Tools -- GUI Administrative Tools -- Starting a Member -- Stopping a Member -- Backing Up the Cluster Configuration -- Summary -- Chapter 6: Red Hat Enterprise Applications -- Installing Red Hat WAF -- Installing the Web Server -- Installing the JRE -- Installing PostgreSQL -- Installing Tomcat -- Installing Additional Packages -- Installing WAF Packages -- Modifying the Database -- Configuring WAF -- Starting WAF -- Installing Portal Server -- Configuring and Starting Portal Server -- Installing Content Management System (CMS) -- Configuring and Starting CMS -- Summary -- Chapter 7: System Administration -- Becoming the Superuser -- Assigning Privileges to Ordinary Users -- Managing Users with Command-Line Tools -- Creating a New User Account -- Creating a New Group -- Modifying an Existing User Account -- Modifying an Existing Group -- Deleting or Disabling a User Account -- Creating Default User Settings -- Using Disk Quotas for Users -- Installing Disk Quota Software -- Configuring Your System to Support Disk Quotas -- Assigning Disk Quotas to Users -- Monitoring Disk Usage.

Process Management -- How Processes Get Started -- Controlling and Monitoring Processes -- Monitoring Processes and System Load -- Logging Processes -- Scheduling Processes -- Backups -- Using rsync to Back Up Files and Directories -- Automating rsync Backups via SSH -- Hiding the Source Directory from the rsync Backup Server -- Managing Backups Online via the Web -- Summary -- Chapter 8: Building Web Server Services -- Apache 2 -- Overview of Apache 2 Modules -- Installing Apache 2 on RHEL 3 -- Configuring the Apache 2.0 Web Server -- Configuring Apache 2.0 for the Enterprise/Production Web Server -- Using the Red Hat HTTP Configuration Tool -- Adding DSO (Dynamic Shared Objects) Modules -- Configuring a Secure Web Server Using SSL -- Apache Security Tips -- Red Hat Content Accelerator -- Installation of Red Hat Content Accelerator -- Overview of the Red Hat Content Accelerator Directory Structure -- Starting and Stopping Red Hat Content Accelerator -- Setting Up Your First Web Site Using Red Hat Content Accelerator as an HTTP Server -- Using Red Hat Content Accelerator as a Web Server -- Using Red Hat Content Accelerator as an Anonymous FTP Server -- Summary -- Chapter 9: Building Remote Access Services -- Overview of the FTP protocol -- Overview of a vsftpd Server -- Installing the vsftpd Server -- Starting/Stopping Your FTP Server -- Testing Your FTP Server -- Configuring the vsftpd Server -- Working with an SSH Server -- Overview of the SSH Protocol -- Overview of OpenSSH -- Use of OpenSSH -- Configuring the OpenSSH Server -- The OpenSSH Client Configuration File (ssh config) -- Starting/Stopping OpenSSH Daemons -- Using ssh, scp, sftp Clients -- Public-Key Authentication -- X11 Forwarding -- Port Forwarding -- Additional Resources -- Summary -- Chapter 10: Building Print Services -- Installing Print Services.

Print Servers on Red Hat Enterprise Linux 3 -- Print Server Functions -- Managing Printers -- Installing a Printer -- Configuring Printers -- Configuring a Default Printer -- Deleting an Existing Printer -- Editing Printer Settings -- Sharing a Printer -- Maintaining Print Services -- Backup and Recovery of Printing Configuration -- Starting (and Stopping) the Printer Daemon -- Managing Print Jobs -- Printing from Applications -- Creating Print Jobs at the Command Line -- Additional Resources -- CUPS Web Interface -- Administration -- Web Resources -- Summary -- Chapter 11: Building File Sharing Services -- Setting Up a File Server -- An Overview of Samba -- Samba Configuration Using Graphical User Interface -- Samba Configuration with SWAT -- Samba Troubleshooting -- Building NFS Server -- NFS Overview -- Features and Benefits of NFS -- NFSv2 and NFSv3 -- How NFS Works on RHEL 3 -- NFS Configuration -- NFS Server Administration -- Setting Up an NFS Client -- NFS Security -- NFS Troubleshooting -- Summary -- Chapter 12: Building Enterprise Email Services -- RHEL 3 Mail Services -- Sendmail -- qmail -- Postfix -- Setting Up DNS for Your Mail Server -- Creating an Address and Mail Exchange (MX) Record -- Creating a Reverse DNS (PTR) Record -- Testing Your DNS Setup with dig -- Installing and Configuring Postfix -- Installing Postfix Using RPM -- Enabling Postfix for the Internet -- Setting Up Mailboxes and POP/IMAP Services -- Creating User Accounts -- Configuring POP3/IMAP -- Sending Mail from Anywhere! -- Setting Up POP-before-SMTP -- Fighting Spam Using SpamAssassin -- Installing SpamAssassin -- Preparing SpamAssassin for Postfix -- Setting Up Postfix for Virtual Domains -- Managing Postfix via Webmin -- Setting Up a Web Mail Client -- Meeting Squirrel Mail Requirements -- Installing and Configuring Squirrel Mail -- Running SquirrelMail -- Summary.

Chapter 13: Building DNS & LDAP Services.