... 7
RedHatLinux System and
Network Administration Defined
CHAPTER 1
Duties of the System Administrator
CHAPTER 2
Planning the Network
CHAPTER 3
Installing RedHat Linux
CHAPTER 4
Red HatLinux ... network,
installing RedHat Linux, and working
with the RedHatLinux file system and
configuration files.
b3632-X PtO1.F 2/21/02 8:33 AM Page 2
(Because of its built-in security features, Linux may not ... Subnet
Hub
18 Part I: RedHatLinux System and Network Administration Defined
c3632-X Ch02.F 2/21/02 8:33 AM Page 18
Monitoring and Tuning Performance
The default installation of RedHatLinux goes a...
... ®
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Red HatLinux Networking
and System Administration
Linux Solutions from the Experts at Red Hat
SECURITY TOOLS
INCLUDED ON CD-ROM
Collings
& Wall
Your Official Red Hat
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... official Red Hat
Linux guide is the one resource you need for a secure, high-performance
Linux network.
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ISBN 0-7645-3632-X
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Proven RedHatLinux Networking and Administration ... 13
Chapter 3 Installing RedHatLinux . . . . . . . . . . . . . . . . . . . . 27
Chapter 4 RedHatLinux File System . . . . . . . . . . . . . . . . . . 71
Chapter 5 RedHat System Configuration...
... to try Red Hat
Linux on. Or you may have a killer workstation with some extra disk space and want to try out RedHat Linux
on a separate partition. To install the PC version of RedHatLinux successfully ... Installing RedHat Linux
A simplified installation procedure is one of the best reasons for using a Linux distribution such as Red Hat
Linux. In many cases, for a computer dedicated to using Linux, ... the software packages that come with RedHat Linux.
Tip A listing of all of the software packages in each Package Group is contained in the file
RedHat/base/comps on the RedHat installation CD−ROM.
19....
... Part I: Getting Started in RedHat Linux
Chapter List
Chapter 1: An Overview of RedHat Linux
Chapter 2: Installing RedHat Linux
What Is RedHat Linux?
Having directories of software ... versions of Linux showed the promise of what Linux could be. RedHatLinux 7.2 could be the
realization of that promise. This brings us to the more basic question: What is Linux?
What Is Linux?
Linux ... With RedHat Linux, they can
rely on RedHat Software, Inc. (http://www.redhat.com/) to provide tested versions of that software and
technical support if there are problems.
Introducing RedHat Linux
Red...
... Also covered is the RedHat Network, a subscription service
available with RedHat Enterprise Linux that you can use to keep your system
current. You can register your systems with RedHat and ... We
want to emphasize that this book is useful for users of Fedora Core, the open
source community–based Linux project supported by Red Hat, as well as users
of RedHat Enterprise Linux.
Preface
ix
02_599496 ... other countries, and may not be used without written permission. RedHat is a regis-
tered trademark of Red Hat, Inc. Linux is a registered trademark of Linus Torvalds. All
other trademarks are the...
... subscribe to the RedHatLinux security mailing list? (Find it at
www.redhat.com/mailing-lists /linux- security/index.html.)
Have you established a procedure that makes sure that every security ... whatever came on the com-
puter, assuming that things came properly configured from the factory. The
user or enterprise that decides on Linux has decided, also, to assume the con-
trol that Linux ... Now that 100-Mbps cards
are quite inexpensive, it’s probably not a good idea to invest in a slower card
that’s slightly cheaper. Be sure to check the RedHat hardware database at
www.redhat.com/support/hardware...
... RedHat boot disk starts your PC and the RedHatLinux installation
program. After you install RedHat Linux, you no longer need the Red Hat
boot disk (except when you want to reinstall RedHat ... installation section.
Creating the RedHat Boot Disk
To boot RedHatLinux for the first time and start the RedHatLinux installa-
tion program, you need a RedHat boot disk. For this step, you ... reinstall RedHatLinux from the
CD-ROMs).
The RedHat boot disk contains an initial version of the RedHat Linux
installation program that you use to start RedHat Enterprise Linux, prepare
the...
... or
deselect that package group.
TIP In an actual RedHatLinux installation, you install exactly those package
groups that you need. Each package group requires specific packages to run.
The RedHat installation ... which you can select the RedHatLinux package groups
that you want to install. After you select the package groups and click Next,
take a coffee break while the RedHat installation program ... General Kernel Parameters text field that enables you
to enter any special options that RedHatLinux may need as it boots. Your
need for special options depends on what hardware you have.
The remainder...
... copy the ks.cfg file that
you created to the /media/floppy directory.
Creating a Bootable CD-ROM
To create a bootable CD-ROM, follow these instructions.
1. Place the RedHatLinux Installation CD-ROM ... Enterprise Linux system
administration utilities and some GNOME configuration utilities as well.
■■ System Tools — This menu choice gives you access to many Enterprise
Linux system administration ... enter one of the following boot commands.
If the Kickstart file is on the floppy or CD boot disk, enter one of the follow-
ing boot commands:
■■ linux ks=floppy
■■ linux ks=cdrom:/ks.cfg
If the...
... structure are the file system commands, essential to proper file
system management. In addition to the native Linux file system, Fedora Core
and RedHat Enterprise Linux support many other file ... the files are
stored on the system is critical for proper system operation. A standard should
be in place that specifies locations for specific types of data. Fortunately, Red
Hat has chosen to ... Enterprise
Linux system administration utilities. Tools for configuring your net-
work and printers are located here.
■■ System Settings — This menu item contains Enterprise Linux system
administration...
... /etc/shadow
The /etc/sysconfig directory contains configuration scripts written and
configured by RedHat and RedHatadministration tools as well as files con-
taining variable settings used by system ... in handy since it reduces system administration
time. This is a fast file system, and now you can read and write to and from it
with your RedHatLinux machine.
Nonstandard Linux File Systems
Support ... col-
ors that show up when a directory listing is shown and the banners that pop
up when someone logs in. This section discusses the more important system
configuration files on your RedHat system.
Systemwide...
... directory should be edited by hand. For more informa-
tion on RedHat Network, see the RedHat Network Web site at https://
rhn.redhat.com.
Examining the Network Configuration Files
This section ... use it. APM is a monitoring daemon that works with power man-
agement code within the Linux kernel. It can alert you to a low battery if you
are using RedHatLinux on a laptop, among other things.
Figure ... specification. RedHat specifies a separate configuration
file for each network interface. In a typical RedHat install, you might have many
different network interface config files that all follow...
... Up a Network Interface Card (NIC)
Every Fedora Core and RedHat Enterprise Linux distribution includes net-
working support and tools that can be used to configure your network. In this
section ... A printer attached to a different UNIX sys-
tem that can be accessed over a TCP/IP network (for example, a printer
attached to another RedHatLinux system on your network). If you
choose this ... your Windows workgroup needs to be
entered here.
■■ Server — The name of the print server needs to be entered here.
■■ Share — This is the name of the shared printer on which you want to
print....