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Practical Guide to Fedora and Red Hat Enterprise Linux, A, 5th Edition

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Practical Guide to Fedora and Red Hat Enterprise Linux, A, 5th Edition


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  • Instructor Resources available through the Pearson Instructor Resource Center, Power point presentations for each chapter and answers to chapter exercises available for download
  • Sobell's legendary Linux tutorial and reference, fully updated for Fedora Core 12 and Red Hat Enterprise Linux Release 5
  • The definitive Fedora and Red Hat resource for users, admins, and programmers at all levels of experience
  • Covers command line, GUIs, servers, security, scripting, administration, and much more
  • Now covers automating administration with Perl
  • New indexing system helps readers find answers even faster
  • DVD contains the new Fedora Core 12 distribution
  • Description

    • Copyright 2010
    • Edition: 5th
    • Book
    • ISBN-10: 0-13-706088-2
    • ISBN-13: 978-0-13-706088-7

    Master All the Techniques You Need to Succeed with Fedora and Red Hat Enterprise Linux

    • Set up key Internet servers, step by step, including Samba, Apache, sendmail, DNS, FTP, and other Internet servers
    • Automate and streamline administration with this edition’s outstanding new chapter on Perl scripting
    • Master GUI-based admin tools and the powerful Linux command line (CLI) 

    In this book, one of the world’s leading Linux experts brings together all the knowledge you’ll need to succeed with Fedora or Red Hat Enterprise Linux in any real-world environment. Best-selling author Mark Sobell explains Linux clearly and effectively, focusing on skills you’ll actually use as an administrator, user, or programmer.

    Sobell assumes no prior Linux knowledge. He starts at the beginning and walks you through every topic and task that matters, using easy-to-understand examples. Step by step, you’ll learn how to install and configure Linux from the accompanying DVD, navigate its graphical user interfaces, provide file/print sharing and Internet services, make sure Linux desktops and networks are as secure as possible, work with the powerful command line, administer Linux efficiently, and even automate administration with Perl scripts.

    Mark Sobell has taught hundreds of thousands of Linux and UNIX professionals. He knows every Linux nook and cranny–and he never forgets what it’s like to be new to Linux. Whatever you’ll want to do with Linux–now or in the future–this book gives you everything you’ll need.

    Compared with the other Linux books out there, A Practical Guide to Fedora™ and Red Hat® Enterprise Linux®, Fifth Edition, delivers

    • Complete, up-to-the-minute coverage of Fedora 12 and RHEL 5
    • Deeper coverage of the command line and the newest GUIs, including desktop customization
    • More practical coverage of file sharing using Samba, NFS, and FTP
    • More and better coverage of automating administration with Perl
    • More usable, realistic coverage of Internet server configuration, including Apache, sendmail, NFS, DNS/BIND, and LDAP
    • More state-of-the-art security techniques, including SELinux (Security Enhanced Linux), ACLs (Access Control Lists), firewall setup using both the Red Hat GUI and iptables, and a full chapter on OpenSSH
    • More and better coverage of system/network administration tasks, including new coverage of network monitoring with Cacti
    • Complete instructions on keeping Linux systems up-to-date using yum
    • And much more, including a 500+ term glossary and a comprehensive index  

    Includes DVD! Get the full version of the Fedora 12 release!


    Author's Site

    Please visit the author's companion site at www.sobell.com.

    Sample Content

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    Table of Contents

    Preface xxxvii

    Chapter 1: Welcome to Linux 1

    The GNU—Linux Connection 2

    The Linux 2.6 Kernel 5

    The Heritage of Linux: UNIX 5

    What Is So Good About Linux? 6

    Overview of Linux 10

    Additional Features of Linux 14

    Conventions Used in This Book 16

    Chapter Summary 19

    Exercises 19

    Part I: Installing Fedora and Red Hat Enterprise Linux 21

    Chapter 2: Installation Overview 23

    The Desktop Live CD and the Install DVD 24

    Planning the Installation 24

    The Installation Process 39

    The Medium: Where Is the Source Data? 40

    Downloading a CD/DVD (FEDORA) 41

    Checking and Burning the CD/DVD 45

    Rescue Selection of the Install DVD 46

    Gathering Information About the System 46

    Finding the Installation Manual 47

    More Information 48

    Chapter Summary 48

    Exercises 49

    Advanced Exercises 49

    Chapter 3: Step-by-Step Installation 51

    Running a Fedora Live Session 52

    Installing Fedora/RHEL 55

    Installation Tasks 68

    The X Window System 84

    Chapter Summary 85

    Exercises 85

    Advanced Exercises 86

    Part II: Getting Started with Fedora and Red Hat Enterprise Linux 87

    Chapter 4: Introduction to Fedora and Red Hat Enterprise Linux 89

    Curbing Your Power (Superuser/root Privileges) 90

    A Tour of the Fedora/RHEL Desktop 90

    Getting the Most Out of the Desktop 109

    Updating, Installing, and Removing Software Packages 122

    Where to Find Documentation 124

    More About Logging In 132

    Working from the Command Line 138

    Controlling Windows: Advanced Operations 141

    Chapter Summary 143

    Exercises 144

    Advanced Exercises 145

    Chapter 5: The Linux Utilities 147

    Special Characters 148

    Basic Utilities 149

    Working with Files 151

    | (Pipe): Communicates Between Processes 158

    Four More Utilities 159

    Compressing and Archiving Files 161

    Locating Commands 166

    Obtaining User and System Information 168

    Communicating with Other Users 172

    Email 174

    Tutorial: Creating and Editing a File Using vim 174

    Chapter Summary 181

    Exercises 184

    Advanced Exercises 185

    Chapter 6: The Linux Filesystem 187

    The Hierarchical Filesystem 188

    Directory Files and Ordinary Files 188

    Pathnames 193

    Directory Commands 195

    Working with Directories 200

    Access Permissions 202

    ACLs: Access Control Lists 207

    Links 212

    Chapter Summary 218

    Exercises 220

    Advanced Exercises 222

    Chapter 7: The Shell 223

    The Command Line 224

    Standard Input and Standard Output 230

    Running a Program in the Background 241

    Filename Generation/Pathname Expansion 243

    Builtins 247

    Chapter Summary 248

    Utilities and Builtins Introduced in This Chapter 249

    Exercises 249

    Advanced Exercises 251

    Part III: Digging into Fedora and Red Hat Enterprise Linux 253

    Chapter 8: Linux GUIs: X and GNOME 255

    X Window System 256

    The Nautilus File Browser Window 264

    The Nautilus Spatial View 270

    GNOME Utilities 272

    Chapter Summary 276

    Exercises 277

    Advanced Exercises 277

    Chapter 9: The Bourne Again Shell 279

    Background 280

    Shell Basics 281

    Parameters and Variables 299

    Special Characters 313

    Processes 314

    History 316

    Aliases 332

    Functions 335

    Controlling bash Features and Options 338

    Processing the Command Line 342

    Chapter Summary 351

    Exercises 353

    Advanced Exercises 355

    Chapter 10: Networking and the Internet 357

    Types of Networks and How They Work 359

    Communicate Over a Network 374

    Network Utilities 376

    Distributed Computing 383

    Usenet 392

    WWW: World Wide Web 395

    Chapter Summary 397

    Exercises 398

    Advanced Exercises 399

    Part IV: System Administration 401

    Chapter 11: System Administration: Core Concepts 403

    System Administrator and Superuser 405

    Rescue Mode 411

    SELinux 414

    The Upstart Event-Based init Daemon (FEDORA) 417

    System Operation 424

    System Administration Utilities 436

    Setting Up a Server 441

    nsswitch.conf: Which Service to Look at First 455

    PAM 458

    Chapter Summary 464

    Exercises 464

    Advanced Exercises 465

    Chapter 12: Files, Directories, and Filesystems 467

    Important Files and Directories 468

    File Types 480

    Filesystems 485

    Chapter Summary 495

    Exercises 495

    Advanced Exercises 496

    Chapter 13: Downloading and Installing Software 497

    yum: Keeps the System Up-to-Date 498

    Adding and Removing Software Packages 505

    BitTorrent 507

    rpm: Red Hat Package Manager 510

    Installing Non-rpm Software 513

    Keeping Software Up-to-Date 515

    wget: Downloads Files Noninteractively 517

    Chapter Summary 518

    Exercises 518

    Advanced Exercises 518

    Chapter 14: Printing with CUPS 519

    Introduction 520

    JumpStart I: Configuring a Local Printer 521

    system-config-printer: Configuring a Printer 522

    JumpStart II: Setting Up a Local or Remote Printer Using the CUPS Web Interface 527

    Traditional UNIX Printing 530

    Configuring Printers 532

    Printing from Windows 538

    Printing to Windows 540

    Chapter Summary 540

    Exercises 541

    Advanced Exercises 541

    Chapter 15: Rebuilding the Linux Kernel 543

    Preparing the Source Code 544

    Read the Documentation 546

    Configuring and Compiling the Linux Kernel 547

    Installing the Kernel and Associated Files 550

    Rebooting the System 550

    Boot Loader 551

    dmesg: Displays Kernel Messages 553

    Chapter Summary 553

    Exercises 554

    Advanced Exercises 554

    Chapter 16: Administration Tasks 555

    Configuring User and Group Accounts 556

    Backing Up Files 558

    Scheduling Tasks 565

    System Reports 566

    parted: Reports on and Partitions a Hard Disk 568

    Keeping Users Informed 572

    Creating Problems 572

    Solving Problems 574

    MySQL 584

    Chapter Summary 592

    Exercises 593

    Advanced Exercises 593

    Chapter 17: Configuring and Monitoring a LAN 595

    Setting Up the Hardware 596

    Configuring the Systems 598

    NetworkManager: Configures Network Connections 599

    The Network Configuration Window (system-config-network) 601

    iwconfig: Configures a Wireless NIC 605

    Setting Up Servers 606

    Introduction to Cacti 607

    More Information 617

    Chapter Summary 617

    Exercises 618

    Advanced Exercises 618

    Part V: Using Clients and Setting Up Servers 619

    Chapter 18: OpenSSH: Secure Network Communication 621

    Introduction 622

    About OpenSSH 622

    OpenSSH Clients 625

    sshd: OpenSSH Server 633

    Troubleshooting 637

    Tunneling/Port Forwarding 638

    Chapter Summary 641

    Exercises 641

    Advanced Exercises 642

    Chapter 19: FTP: Transferring Files Across a Network 643

    Introduction 644

    More Information 645

    FTP Client 645

    FTP Server (vsftpd) 654

    Chapter Summary 666

    Exercises 667

    Advanced Exercises 667

    Chapter 20: sendmail: Setting Up Mail Clients, Servers, and More 669

    Introduction 670

    JumpStart I: Configuring sendmail on a Client 672

    JumpStart II: Configuring sendmail on a Server 673

    How sendmail Works 674

    Configuring sendmail 677

    Additional Email Tools 682

    Authenticated Relaying 689

    Alternatives to sendmail 691

    Chapter Summary 692

    Exercises 692

    Advanced Exercises 693

    Chapter 21: NIS and LDAP 695

    Introduction to NIS 696

    How NIS Works 696

    Setting Up an NIS Client 699

    Setting Up an NIS Server 703

    LDAP 710

    Setting Up an LDAP Server 713

    Chapter Summary 723

    Exercises 724

    Advanced Exercises 724

    Chapter 22: NFS: Sharing Filesystems 727

    Introduction 728

    More Information 730

    Setting Up an NFS Client 730

    Setting Up an NFS Server 736

    automount: Automatically Mounts Directory Hierarchies 744

    Chapter Summary 746

    Exercises 746

    Advanced Exercises 747

    Chapter 23: Samba: Integrating Linux and Windows 749

    Introduction 750

    About Samba 751

    JumpStart: Configuring a Samba Server Using system-config-samba 753

    swat: Configures a Samba Server 755

    Manually Configuring a Samba Server 759

    Accessing Linux Shares from Windows 765

    Accessing Windows Shares from Linux 766

    Troubleshooting 768

    Chapter Summary 770

    Exercises 771

    Advanced Exercises 771

    Chapter 24: DNS/BIND: Tracking Domain Names and Addresses 773

    Introduction to DNS 774

    About DNS 785

    JumpStart I: Setting Up a DNS Cache 787

    JumpStart II: Setting Up a Domain Using system-config-bind 789

    Setting Up BIND 793

    Troubleshooting 805

    A Full-Functioned Nameserver 807

    A Slave Server 810

    A Split Horizon Server 811

    Chapter Summary 816

    Exercises 816

    Advanced Exercises 817

    Chapter 25: iptables: Setting Up a Firewall 819

    How iptables Works 820

    About iptables 822

    JumpStart: Building a Firewall Using system-config-firewall 824

    Anatomy of an iptables Command 825

    Building a Set of Rules 826

    system-config-firewall: Generates a Set of Rules 833

    Sharing an Internet Connection Using NAT 835

    Chapter Summary 839

    Exercises 839

    Advanced Exercises 839

    Chapter 26: Apache (httpd): Setting Up a Web Server 841

    Introduction 842

    About Apache 842

    JumpStart I: Getting Apache Up and Running 844

    JumpStart II: Setting Up Apache Using system-config-httpd 846

    Filesystem Layout 848

    Configuration Directives 850

    The Fedora/RHEL httpd.conf File 870

    Redirects 873

    Multiviews 874

    Server-Generated Directory Listings (Indexing) 874

    Virtual Hosts 874

    Troubleshooting 875

    Modules 876

    webalizer: Analyzes Web Traffic 881

    MRTG: Monitors Traffic Loads 882

    Error Codes 882

    Chapter Summary 883

    Exercises 884

    Advanced Exercises 884

    Part VI: Programming Tools 885

    Chapter 27: Programming the Bourne Again Shell 887

    Control Structures 888

    File Descriptors 921

    Parameters and Variables 924

    Builtin Commands 936

    Expressions 950

    Shell Programs 958

    Chapter Summary 968

    Exercises 970

    Advanced Exercises 972

    Chapter 28: The Perl Scripting Language 975

    Introduction to Perl 976

    Variables 983

    Control Structures 991

    Working with Files 1000

    Sort 1003

    Subroutines 1005

    Regular Expressions 1007

    CPAN Modules 1013

    Examples 1015

    Chapter Summary 1019

    Exercises 1019

    Advanced Exercises 1020

    Part VII: Appendixes 1021

    Appendix A: Regular Expressions 1023

    Characters 1024

    Delimiters 1024

    Simple Strings 1024

    Special Characters 1024

    Rules 1027

    Bracketing Expressions 1028

    The Replacement String 1028

    Extended Regular Expressions 1029

    Appendix Summary 1031

    Appendix B: Help 1033

    Solving a Problem 1034

    Finding Linux-Related Information 1035

    Specifying a Terminal 1040

    Appendix C: Security 1043

    Encryption 1044

    File Security 1049

    Email Security 1049

    Network Security 1050

    Host Security 1053

    Security Resources 1058

    Appendix Summary 1061

    Appendix D: The Free Software Definition 1063

    Glossary 1067

    Index 1117


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