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Practical Guide to Fedora and Red Hat Enterprise Linux, A ,7th edition::9780133522174

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Published by Pearson (December 26, 2013) © 2014

Mark Sobell
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    ISBN-13: 9780133522174

    Practical Guide to Fedora and Red Hat Enterprise Linux, A ,7th edition

    Published 2014

    Language: English

    “I have found this book to be a very useful classroom text, as well as a great Linux resource. It teaches Linux using a ground-up approach that gives students the chance to progress with their skills and grow into the Linux world. I have often pointed to this book when asked to recommend a solid Linux reference.”
    – Eric Hartwell, Chair, School of Information Technology, ITT Technical Institute

     

    Master All the Techniques You Need to Succeed with Fedora™ or Red Hat® Enterprise Linux®

    • The #1 Fedora and RHEL resource–a tutorial AND on-the-job reference
    • Master Linux administration and security using the command line, GUI tools, Python, systemd, and firewalld
    • Set up key Internet servers, step by step, including Samba, Apache, MariaDB/MySQL, sendmail, OpenSSH, DNS, LDAP, and more
    • Brand-new chapter on Virtual Machines and Cloud Computing!

    In this comprehensive guide, one of the world’s leading Linux experts brings together all the knowledge and real-world insights you need to master and succeed with today’s versions of Fedora or Red Hat Enterprise Linux. Best-selling author Mark Sobell explains Linux clearly and effectively, focusing on skills you’ll actually need as a user, programmer, or administrator.

     

    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 interface, provide file/printer sharing, configure network servers, secure Linux desktops and networks, work with the command line, administer Linux efficiently, and automate administration using Python and bash.

     

    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 want to do with Linux–now or in the future–you’ll find it in this book.

     

    Compared with other Linux books, A Practical Guide to Fedora™and Red Hat®Enterprise Linux ®, Seventh Edition, delivers

    • Complete, up-to-the-minute coverage of Fedora 19 and RHEL 7 (beta)
    • New programming chapters that cover Python and MariaDB/MySQL, plus a new tutorial on using GnuPG to encrypt communications
    • Information on state-of-the-art security: SELinux, ACLs, firewalld (firewall-config and firewall-cmd), iptables (system-config-firewall), GnuPG, and OpenSSH
    • New chapter on VMs (virtual machines) and cloud computing, including VMware, QEMU/KVM, virt-manager, virsh, GNOME Boxes, and AWS (Amazon Web Services)
    • Expanded command-line coverage, including a new chapter that details 32 important utilities
    • Practical information on Internet server configuration, including Apache, sendmail, NFSv4, DNS/BIND, the new LDAP Dynamic Server, and IPv6
    • Complete “meat-and-potatoes” information on system/network administration, now including GRUB 2, the XFS filesystem, the new Anaconda Installer, the systemd init daemon, firewalld, and NetworkManager
    • Detailed instructions on keeping Linux systems up to date, finding software packages, and working with repositories using yum and rpm
    • Full coverage of the LPI Linux Essentials exam objectives plus extensive coverage of the CompTIA Linux+ exam objectives; Appendix E provides a map from objectives to pages in the book
    • New coverage of find, sort, xz (compression), free, xargs, and the nano editor
    • And much more, including a 500+ term glossary and comprehensive indexes

    Preface xliii

     

    Chapter 1: Welcome to Linux 1
    The History of UNIX and GNU–Linux 2
    Overview of Linux 11
    Choosing an Operating System 19
    Chapter Summary 21
    Exercises 21

     

    Part I: Installing Fedora and Red Hat Enterprise Linux 23

     

    Chapter 2: Installation Overview 25

    Conventions Used in This Book 26
    LPI and CompTIA Certification Icons 28
    More Information 28
    Planning the Installation 29
    The Installation Process 44
    Downloading an Installation Image File and Writing to/Burning the Installation
    Medium 46
    Gathering Information About the System 50
    Chapter Summary 52
    Exercises 53
    Advanced Exercises 53

     

    Chapter 3: Step-by-Step Installation 55
    The New Anaconda Installer 56
    Running a Fedora Live Session 56
    Installing Fedora/RHEL 59
    Installation Tasks 69
    Chapter Summary 86
    Exercises 86
    Advanced Exercises 86

     

    Part II: Using 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
    Logging In on the System 90
    The GNOME 3 Standard and Classic Desktops 91
    Working with the Desktop 97
    Using the Nautilus File Manager 102
    The Settings Window 107
    Getting Help 113
    Updating, Installing, and Removing Software Packages 116
    Working from the Command Line 119
    More About Logging In and Passwords 135
    Chapter Summary 138
    Exercises 139
    Advanced Exercises 140

     

    Chapter 5: The Shell 141
    Special Characters 142
    Ordinary Files and Directory Files 143
    The Command Line 144
    Standard Input and Standard Output 151
    Running a Command in the Background 163
    Filename Generation/Pathname Expansion 165
    Builtins 170
    Chapter Summary 170
    Exercises 171
    Advanced Exercises 173

     

    Chapter 6: The Linux Filesystem 175
    The Hierarchical Filesystem 176
    Ordinary Files and Directory Files 177
    Pathnames 181
    Working with Directories 183
    Access Permissions 191
    ACLs: Access Control Lists 198
    Links 203
    Chapter Summary 209
    Exercises 211
    Advanced Exercises 212

     

    Chapter 7: The Linux Utilities 215
    Basic Utilities 216
    Working with Files 224
    Compressing and Archiving Files 245
    Displaying User and System Information 252
    Miscellaneous Utilities 255
    Editing Files 262
    Chapter Summary 273
    Exercises 275
    Advanced Exercises 276

     

    Chapter 8: Networking and the Internet 279
    Introduction to Networking 280
    Types of Networks and How They Work 282
    Communicate over a Network 301
    Network Utilities 302
    Distributed Computing 309
    WWW: World Wide Web 319
    Chapter Summary 321
    Exercises 322
    Advanced Exercises 322

     

    Part III: System Administration 325

     

    Chapter 9: The Bourne Again Shell (bash) 327

    Background 328
    Startup Files 329
    Commands That Are Symbols 333
    Redirecting Standard Error 333
    Writing and Executing a Shell Script 336
    Control Operators: Separate and Group Commands 341
    Job Control 346
    Manipulating the Directory Stack 349
    Parameters and Variables 352
    Special Characters 366
    Locale 368
    Time 371
    Processes 373
    History 376
    Aliases 392
    Functions 396
    Controlling bash: Features and Options 398
    Processing the Command Line 403
    Chapter Summary 414
    Exercises 415
    Advanced Exercises 417

     

    Chapter 10: System Administration: Core Concepts 419
    Running Commands with root Privileges 422
    The systemd init Daemon 438
    SysVinit (rc) Scripts: Start and Stop System Services 448
    System Operation 448
    System Administration Tools 464
    Setting Up a Server 481
    DHCP: Configures Network Interfaces 491
    nsswitch.conf: Which Service to Look at First 495
    Getting Help 498
    Chapter Summary 498
    Exercises 499
    Advanced Exercises 500

     

    Chapter 11: Files, Directories, and Filesystems 501
    Important Files and Directories 502
    File Types 514
    Filesystems 519
    The XFS Filesystem 527
    Chapter Summary 529
    Exercises 530
    Advanced Exercises 530

     

    Chapter 12: Finding, Downloading, and Installing Software 531
    Introduction 532
    JumpStart: Installing and Removing Software Packages Using yum 534
    Finding the Package That Holds an Application or File You Need 536
    yum: Keeps the System Up-to-Date 538
    BitTorrent 543
    RPM: The RPM Package Manager 546
    Installing Non-rpm Software 550
    Keeping Software Up-to-Date 552
    curl: Downloads Files Noninteractively 553
    Chapter Summary 553
    Exercises 554
    Advanced Exercises 554

     

    Chapter 13: Printing with CUPS 555
    Introduction 556
    The System Configures a Local Printer Automatically 558
    JumpStart I: Configuring a Printer Using system-config-printer 558
    JumpStart II: Setting Up a Local or Remote Printer 560
    Working with the CUPS Web Interface 565
    Configuring Printers 566
    Traditional UNIX Printing 573
    Printing from Windows 574
    Printing to Windows 576
    Chapter Summary 577
    Exercises 577
    Advanced Exercises 578

     

    Chapter 14: Building a Linux Kernel 579
    Downloading, Installing, and Prepping the Kernel Source Code 581
    Configuring and Compiling the Linux Kernel 584
    Installing the Kernel, Modules, and Associated Files 589
    GRUB: The Linux Boot Loader 590
    dmesg: Displays Kernel Messages 595
    Chapter Summary 595
    Exercises 596
    Advanced Exercises 596

     

    Chapter 15: Administration Tasks 597
    Configuring User and Group Accounts 598
    Backing Up Files 602
    Scheduling Tasks 607
    System Reports 611
    Maintaining the System 613
    Chapter Summary 629
    Exercises 630
    Advanced Exercises 630

     

    Chapter 16: Configuring and Monitoring a LAN 631
    More Information 632
    Setting Up the Hardware 632
    Configuring the Systems 636
    NetworkManager: Configures Network Connections 637
    Setting Up Servers 643
    Introduction to Cacti 645
    Chapter Summary 656
    Exercises 656
    Advanced Exercises 657

     

    Chapter 17: Setting Up Virtual Machines Locally and in the Cloud 659
    VMs (Virtual Machines) 660
    QEMU/KVM 663
    VMware Player: Installing Fedora on VMware 671
    Cloud Computing 676
    Chapter Summary 681
    Exercises 682
    Advanced Exercises 682

     

    Part IV: Using Clients and Setting Up Servers 683

     

    Chapter 18: OpenSSH: Secure Network Communication 685

    Introduction to OpenSSH 686
    Running the ssh, scp, and sftp OpenSSH Clients 689
    Setting Up an OpenSSH Server (sshd) 700
    Troubleshooting 706
    Tunneling/Port Forwarding 707
    Chapter Summary 710
    Exercises 710
    Advanced Exercises 711

     

    Chapter 19: FTP: Transferring Files Across a Network 713
    Introduction to FTP 714
    Running the ftp and sftp FTP Clients 716
    Setting Up an FTP Server (vsftpd) 724
    Chapter Summary 737
    Exercises 738
    Advanced Exercises 738

     

    Chapter 20: sendmail: Setting Up Mail Servers, Clients, and More 739
    Introduction to sendmail 740
    Setting Up a sendmail Mail Server 742
    JumpStart I: Configuring sendmail on a Client 743
    JumpStart II: Configuring sendmail on a Server 744
    Working with sendmail Messages 745
    Configuring sendmail 748
    SpamAssassin 753
    Additional Email Tools 758
    Authenticated Relaying 764
    Chapter Summary 766
    Exercises 766
    Advanced Exercises 767

     

    Chapter 21: NIS and LDAP 769
    Introduction to NIS 770
    Running an NIS Client 773
    Setting Up an NIS Server 779
    LDAP 786
    Setting Up an LDAP Server 789
    Tools for Working with LDAP 795
    Chapter Summary 798
    Exercises 799
    Advanced Exercises 799

     

    Chapter 22: NFS: Sharing Directory Hierarchies 801
    Introduction to NFS 803
    Running an NFS Client 805
    Setting Up an NFS Server 811
    automount: Mounts Directory Hierarchies on Demand 821
    Chapter Summary 824
    Exercises 824
    Advanced Exercises 825

     

    Chapter 23: Samba: Linux and Windows File and Printer Sharing 827
    Introduction to Samba 828
    Running Samba Clients 832
    Setting Up a Samba Server 836
    Troubleshooting 846
    Chapter Summary 848
    Exercises 849
    Advanced Exercises 849

     

    Chapter 24: DNS/BIND: Tracking Domain Names and Addresses 851
    Introduction to DNS 852
    Setting Up a DNS Server 864
    Configuring a DNS Server 872
    Setting Up Different Types of DNS Servers 885
    Chapter Summary 895
    Exercises 896
    Advanced Exercises 896

     

    Chapter 25: firewalld and iptables: Setting Up a Firewall 897
    The firewalld Service 898
    JumpStart: Building a Firewall Using firewall-config 900
    firewall-config: The Firewall Configuration Window 902
    firewall-cmd: Controlling firewalld from the Command Line 906
    Introduction to iptables 908
    Building a Set of Rules Using iptables 916
    Copying Rules to and from the Kernel 922
    system-config-firewall: Generates a Set of Rules 923
    Sharing an Internet Connection Using NAT 924
    Chapter Summary 928
    Exercises 929
    Advanced Exercises 929

     

    Chapter 26: Apache (httpd): Setting Up a Web Server 931
    Introduction 932
    Running an Apache Web Server 935
    Filesystem Layout 938
    Configuration Directives 939
    Advanced Configuration 962
    Troubleshooting 967
    Modules 968
    webalizer: Analyzes Web Traffic 975
    MRTG: Monitors Traffic Loads 975
    Error Codes 975
    Chapter Summary 976
    Exercises 977
    Advanced Exercises 977

     

    Part V: Programming Tools 979

     

    Chapter 27: Programming the Bourne Again Shell (bash) 981

    Control Structures 982
    File Descriptors 1016
    Parameters 1022
    Variables 1031
    Builtin Commands 1040
    Expressions 1056
    Implicit Command-Line Continuation 1063
    Shell Programs 1064
    Chapter Summary 1074
    Exercises 1076
    Advanced Exercises 1078

     

    Chapter 28: The Python Programming Language 1081
    Introduction 1082
    Scalar Variables, Lists, and Dictionaries 1086
    Control Structures 1092
    Reading from and Writing to Files 1097
    Regular Expressions 1101
    Defining a Function 1102
    Using Libraries 1103
    Lambda Functions 1107
    List Comprehensions 1108
    Chapter Summary 1109
    Exercises 1110
    Advanced Exercises 1110

     

    Chapter 29: The MariaDB SQL Database Management System 1113
    History 1114
    Notes 1114
    Installing a MariaDB Server and Client 1118
    Setting Up MariaDB 1119
    Examples 1123
    Chapter Summary 1135
    Exercises 1135
    Advanced Exercises 1135

     

    Part VI: Appendixes 1137

     

    Appendix A: Regular Expressions 1139

    Characters 1140
    Delimiters 1140
    Simple Strings 1140
    Special Characters 1140
    Rules 1143
    Bracketing Expressions 1144
    The Replacement String 1144
    Extended Regular Expressions 1145
    Appendix Summary 1147

     

    Appendix B: Help 1149
    Solving a Problem 1150
    Finding Linux-Related Information 1151
    Specifying a Terminal 1153

     

    Appendix C: Security Including GPG 1155
    Encryption 1156
    File Security 1161
    Email Security 1161
    Network Security 1162
    Host Security 1165
    Tutorial: Using GPG to Secure a File 1169
    Security Resources 1180
    Appendix Summary 1182

     

    Appendix D: Keeping the System Up-to-Date Using apt-get 1183
    Using apt-get to Install, Remove, and Update Packages 1184
    Using apt-get to Upgrade the System 1185
    Other apt-get Commands 1186
    Repositories 1186
    sources.list: Specifies Repositories for apt-get to Search 1187

     

    Appendix E: LPI and CompTIA Certification 1189
    More Information 1190
    Linux Essentials 1190
    Certification Exam 1 Objectives: LX0-101 1204
    Certification Exam 2 Objectives: LX0-102 1220

     

    Glossary 1235
    JumpStart Index 1283
    File Tree Index 1285
    Utility Index 1289
    Main Index 1295
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