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NCSU Realm Linux Users' and Administrators' Guide
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NCSU Realm Linux Users' and Administrators' Guide

Covers Versions WS3, AS3, WS4, and AS4.

John Berninger

NCSU Department of Mathematics


          
        

Jack Neely

NCSU College of PAMS


          
        

Copyright © 2000, 2001, 2002, 2003, 2004, 2005, 2006 North Carolina State University

April 5, 2005

Table of Contents

Foreword and Disclaimer
I. Introduction
1. About this Guide
What this Guide is about
Who Should Read This Book
What This Guide Covers
2. Realm Linux
What is this thing, anyway?
Why do we have this thing?
Will this thing slice bread for me?
II. User's Guide
3. Installing the Realm Linux
Red Hat Enterprise Linux
Before You Begin the Installation
Making the boot media
Types of Installations
Kickstart Installations
Manual Installs
Overlay installs
The Installation Process
What gets installed
4. Post-Install Setup
Registering with the Red Hat Network
Using Realmconfig
Login Configuration
Allowing a List of Users to Log In
Using Clusters to Control Logins
Configuring the Department
Securing the Machine
Sendmail
Interactive Startup
Securing Single User Mode and Grub Options
Turn Off Unused Ports
Name Services Caching Daemon
Obtaining AFS
Printing
Campus Lab Printer
Networked Printer Not in Global Printcap
Automatic Updating
Cleaning /tmp
Sound Configuration
Configuring Sendmail
5. Using the Realm Linux
Logging in to the Realm Linux
Environment setup / customization
The Realm Linux Application Launcher
Local software
AFS-available software
On-campus use
University labs (e.g. Daniels)
Faculty/staff offices
Dorm rooms
Off-campus use
III. Administrator's Guide
6. Installation Issues
Authentication configuration
Using Hesiod clusters
Enabling Realmcron
7. Customizing Your Kickstart Config
Standard Kickstart Configuration Paramaters
8. Management concerns
Local users
Gaining tokens
Realm Home Directory
Disconnected usage
Printers
AFS-installed software
Commercial Software
Locally Developed Software
Free Software
Updates
Nightly Updates
Emergency Updates
Kernel and OpenAFS Updates
Restricting access
Activating / Deactivating services
9. Setting Up Supported, Trusted Clients
Why Do You Want Supported, Trusted Clients?
Realm Hooks
Boot Scripts
Automated Web Based Kickstarts
Trusted Clients
10. Campus Linux Services Resources
Yum Repositories
IV. Appendices
11. Getting help
Problem vs. “How do I...”
Help Desk
Bugzilla
Mailing lists
12. Frequently Asked Questions
13. Troubleshooting
14. Credits
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   Foreword and Disclaimer