Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Scaricare il pdf (Pagina 10)

x Introduction

downloaded and built software you found on the Internet. After installing Linux, however, conﬁgura-

tion issues can be very confusing.

The Ofﬁcial Red Hat Linux Customization Guide is designed to help explain the various ways your

Red Hat Linux system can be conﬁgured to meet speciﬁc objectives. Use this manual to learn about

speciﬁc conﬁguration options and how to put them into effect.

When you are installing software that is not covered in the Ofﬁcial Red Hat Linux

Customization Guide, it is often helpful to see what other people in similar circumstances

have done. HOWTO documents from the Linux Documentation Project, available at

http://www.redhat.com/mirrors/LDP/HOWTO/HOWTO-INDEX/howtos.html, document particular

aspects of Linux, from low-level kernel esoteric changes to using Linux for amateur radio station

work.

1.3. Documentation for Linux Gurus

If you are a long-time Red Hat Linux user, you probably already know that one of the best ways to

understand a particular program is to read its source code and/or conﬁguration ﬁles. A major advantage

of Red Hat Linux is the availability of the source code for anyone to read.

Obviously, not everyone is a C programmer, so the source code may not be helpful for you. However,

if you have the knowledge and skills necessary to read it, the source code holds all of the answers.

2. Document Conventions

When you read this manual, you will see that certain words are represented in different fonts, type-

faces, sizes, and weights. This highlighting is systematic; different words are represented in the same

style to indicate their inclusion in a speciﬁc category. The types of words that are represented this way

include the following:

command

Linux commands (and other operating system commands, when used) are represented this way.

This style should indicate to you that you can type the word or phrase on the command line

and press [Enter] to invoke a command. Sometimes a command contains words that would be

displayed in a different style on their own (such as ﬁlenames). In these cases, they are considered

to be part of the command, so the entire phrase will be displayed as a command. For example:

Use the cat testfile command to view the contents of a ﬁle, named testfile, in the current

working directory.

filename

Filenames, directory names, paths, and RPM package names are represented this way. This style

should indicate that a particular ﬁle or directory exists by that name on your Red Hat Linux

system. Examples:

The .bashrc ﬁle in your home directory contains bash shell deﬁnitions and aliases for your own

use.

The /etc/fstab ﬁle contains information about different system devices and ﬁlesystems.

Install the webalizer RPM if you want to use a Web server log ﬁle analysis program.

application

This style should indicate to you that the program named is an end-user application (as opposed

to system software). For example:

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Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Pagina 10