A Practical Guide to Fedora and Red Hat Enterprise Linux

ptg A Practical Guide to Fedora and Red Hat Enterprise Linux FIFTH EDITION Mark G. Sobell Upper Saddle River, NJ ? Boston ? Indianapolis ? San Francisco New York ? Toronto ? Montreal ? London ? Munich ? Paris ? Madrid Capetown ? Sydney ? Tokyo ? Singapore ? Mexico City ? ? ? From the Library of Skyla Walker ptg Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals. The author and publisher have taken care in the preparation of this book, but make no expressed or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein. The publisher offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales, which may include electronic versions and/or custom covers and content particular to your business, training goals, marketing focus, and branding interests. For more information, please contact: U.S. Corporate and Government Sales (800) 382-3419 corpsales@pearsontechgroup.com For sales outside the United States, please contact: International Sales international@pearson.com Visit us on the Web: informit.com/ph Library of Congress Cataloging-in-Publication Data Sobell, Mark G. A practical guide to Fedora and Red Hat Enterprise Linux / Mark G. Sobell.—5th ed. p. cm. Includes index. ISBN 978-0-13-706088-7 (pbk.) 1. Linux. 2. Operating systems (Computers) I. Title. QA76.76.O63S5945 2010 005.4'32—dc22 2009053421 Copyright ? 2010 Mark G. Sobell All rights reserved. Printed in the United States of America. This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permissions, write to: Pearson Education, Inc. Rights and Contracts Department 501 Boylston Street, Suite 900 Boston, MA 02116 Fax: (617) 671-3447 ISBN-13: 978-0-13-706088-7 ISBN-10: 0-13-706088-2 Text printed in the United States at Edwards Brothers in Ann Arbor, Michigan. First printing, February 2010 From the Library of Skyla Walker ptg xi Brief Contents Contents xiii Preface xxxvii 1 Welcome to Linux 1 PART I Installing Fedora and Red Hat Enterprise Linux 21 2 Installation Overview 23 3 Step-by-Step Installation 51 PART II Getting Started with Fedora and Red Hat Enterprise Linux 87 4 Introduction to Fedora and Red Hat Enterprise Linux 89 5 The Linux Utilities 147 6 The Linux Filesystem 187 7 The Shell 223 PART III Digging into Fedora and Red Hat Enterprise Linux 253 8 Linux GUIs: X and GNOME 255 9 The Bourne Again Shell 279 10 Networking and the Internet 357 From the Library of Skyla Walker ptg xii Brief Contents PART IV System Administration 401 11 System Administration: Core Concepts 403 12 Files, Directories, and Filesystems 467 13 Downloading and Installing Software 497 14 Printing with CUPS 519 15 Rebuilding the Linux Kernel 543 16 Administration Tasks 555 17 Configuring and Monitoring a LAN 595 PART V Using Clients and Setting Up Servers 619 18 OpenSSH: Secure Network Communication 621 19 FTP: Transferring Files Across a Network 643 20 sendmail: Setting Up Mail Clients, Servers, and More 669 21 NIS and LDAP 695 22 NFS: Sharing Filesystems 727 23 Samba: Integrating Linux and Windows 749 24 DNS/BIND: Tracking Domain Names and Addresses 773 25 iptables: Setting Up a Firewall 819 26 Apache (httpd): Setting Up a Web Server 841 PART VI Programming Tools 885 27