July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from Linux in a Nutshell, Fifth Edition
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Chapter 5: Package Management
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
use multiple repositories. When they are downloaded to your system, the header
and package files are maintained in /var/cache/yum.
The configuration file, /etc/yum.conf, is where you customize yum. It consists of
two section types. The first section, [main], sets configuration defaults for yum
operation. This section is followed by [server] sections, where each server is
named according to the repository it specifies. For example, for Fedora Core, you
might have [base] for the base Fedora Core repository and [development] for the
development repository.
The server sections can also be stored, one to a file, in /etc/yum.repos.d. yum
comes with a default yum.conf file, which you can use as is or as a starting point
from which to add additional repositories.
The yum Command
The yum command is an automated system for updating rpm-based packages,
particularly on Fedora Core and Red Hat Enterprise Linux. Yum can automati-
cally install, upgrade, and remove packages. In addition to individual packages or
a list of packages, yum can operate on an entire group of packages at a time.
When you run yum, it first updates the cache (unless you tell it not to with the -C
option); then it proceeds to perform the requested operation.
The format of the yum command is:
yum ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.