LPIC-1 Linux Professional Institute Certification Study Guide

Exam 101-500 and Exam 102-500
 
 
Sybex Inc.,U.S. (Verlag)
  • erschienen am 11. Oktober 2019
 
  • Buch
  • |
  • Softcover
  • |
  • 688 Seiten
978-1-119-58212-0 (ISBN)
 
The bestselling study guide for the popular Linux Professional Institute Certification Level 1 (LPIC-1).

The updated fifth edition of LPIC-1: Linux Professional Institute Certification Study Guide is a comprehensive, one-volume resource that covers 100% of all exam objectives. Building on the proven Sybex Study Guide approach, this essential resource offers a comprehensive suite of study and learning tools such as assessment tests, hands-on exercises, chapter review questions, and practical, real-world examples. This book, completely updated to reflect the latest 101-500 and 102-500 exams, contains clear, concise, and user-friendly information on all of the Linux administration topics you will encounter on test day. Key exam topics include system architecture, Linux installation and package management, GNU and UNIX commands, user interfaces and desktops, essential system services, network and server security, and many more.

Linux Servers currently have a 20% market share which continues to grow. The Linux OS market saw a 75% increase from last year and is the third leading OS, behind Windows and MacOS. There has never been a better time to expand your skills, broaden your knowledge, and earn certification from the Linux Professional Institute. A must-have guide for anyone preparing for the 101-500 and 102-500 exams, this study guide enables you to:



Assess your performance on practice exams to determine what areas need extra study
Understand and retain vital exam topics such as administrative tasks, network configuration, booting Linux, working with filesystems, writing scripts, and using databases
Gain insights and tips from two of the industry's most highly respected instructors, consultants, and authors
Access Sybex interactive tools that include electronic flashcards, an online test bank, customizable practice exams, bonus chapter review questions, and a searchable PDF glossary of key terms

LPIC-1: Linux Professional Institute Certification Study Guide is ideal for network and system administrators studying for the LPIC-1 exams, either for the first time or for the purpose of renewing their certifications.
5th Edition
  • Englisch
  • New York
  • |
  • USA
John Wiley & Sons Inc
  • Für Beruf und Forschung
  • Höhe: 233 mm
  • |
  • Breite: 187 mm
  • |
  • Dicke: 40 mm
  • 1163 gr
978-1-119-58212-0 (9781119582120)
weitere Ausgaben werden ermittelt
Christine Bresnahan is an Adjunct Professor at Ivy Tech Community College. She teaches Linux certification, and Python programming classes.

Richard Blum has served as both systems and network administrator roles for UNIX, Linux, Novell, and Microsoft servers. Rich is widely published on Linux, and is a popular online Linux instructor.
Introduction xxi


Assessment Test xxxix


Part I Exam 101-500 1


Chapter 1 Exploring Linux Command-Line Tools 3


Understanding Command-Line Basics 4


Discussing Distributions 4


Reaching a Shell 5


Exploring Your Linux Shell Options 5


Using a Shell 7


Using Environment Variables 11


Getting Help 17


Editing Text Files 20


Looking at Text Editors 20


Understanding vim Modes 24


Exploring Basic Text-Editing Procedures 24


Saving Changes 27


Processing Text Using Filters 28


File-Combining Commands 28


File-Transforming Commands 31


File-Formatting Commands 33


File-Viewing Commands 36


File-Summarizing Commands 40


Using Regular Expressions 45


Using grep 45


Understanding Basic Regular Expressions 47


Understanding Extended Regular Expressions 50


Using Streams, Redirection, and Pipes 50


Redirecting Input and Output 51


Piping Data between Programs 55


Using sed 56


Generating Command Lines 60


Summary 61


Exam Essentials 61


Review Questions 62


Chapter 2 Managing Software and Processes 67


Looking at Package Concepts 68


Using RPM 69


RPM Distributions and Conventions 69


The rpm Command Set 71


Extracting Data from RPMs 77


Using YUM 78


Using ZYpp 83


Using Debian Packages 86


Debian Package File Conventions 87


The dpkg Command Set 87


Looking at the APT Suite 92


Using apt-cache 93


Using apt-get 94


Reconfiguring Packages 97


Managing Shared Libraries 98


Library Principles 98


Locating Library Files 99


Loading Dynamically 100


Library Management Commands 100


Managing Processes 102


Examining Process Lists 102


Employing Multiple Screens 109


Understanding Foreground and Background Processes 116


Managing Process Priorities 120


Sending Signals to Processes 121


Summary 126


Exam Essentials 127


Review Questions 129


Chapter 3 Configuring Hardware 133


Configuring the Firmware and Core Hardware 134


Understanding the Role of Firmware 134


Device Interfaces 136


The /dev Directory 138


The /proc Directory 139


The /sys Directory 143


Working with Devices 144


Hardware Modules 148


Storage Basics 154


Types of Drives 154


Drive Partitions 155


Automatic Drive Detection 155


Storage Alternatives 156


Multipath 156


Logical Volume Manager 157


Using RAID Technology 158


Partitioning Tools 158


Working with fdisk 158


Working with gdisk 161


The GNU parted Command 162


Graphical Tools 163


Understanding Filesystems 164


The Virtual Directory 164


Maneuvering Around the Filesystem 166


Formatting Filesystems 167


Common Filesystem Types 167


Creating Filesystems 169


Mounting Filesystems 170


Manually Mounting Devices 170


Automatically Mounting Devices 172


Managing Filesystems 173


Retrieving Filesystem Stats 173


Filesystem Tools 173


Summary 174


Exam Essentials 175


Review Questions 177


Chapter 4 Managing Files 181


Using File Management Commands 182


Naming and Listing Files 182


Exploring Wildcard Expansion Rules 186


Understanding the File Commands 189


Compressing File Commands 199


Archiving File Commands 202


Managing Links 213


Managing File Ownership 218


Assessing File Ownership 219


Changing a File's Owner 219


Changing a File's Group 220


Controlling Access to Files 221


Understanding Permissions 221


Changing a File's Mode 223


Setting the Default Mode 226


Changing Special Access Modes 228


Locating Files 229


Getting to Know the FHS 229


Employing Tools to Locate Files 231


Summary 239


Exam Essentials 239


Review Questions 241


Chapter 5 Booting, Initializing, and Virtualizing Linux 245


Understanding the Boot Process 246


The Boot Process 246


Extracting Information about the Boot Process 247


Looking at Firmware 249


The BIOS Startup 249


The UEFI Startup 250


Looking at Boot Loaders 251


Boot Loader Principles 251


Using GRUB Legacy as the Boot Loader 251


Using GRUB 2 as the Boot Loader 255


Adding Kernel Boot Parameters 259


Using Alternative Boot Loaders 260


The Initialization Process 261


Using the systemd Initialization Process 262


Exploring Unit Files 263


Focusing on Service Unit Files 265


Focusing on Target Unit Files 268


Looking at systemctl 270


Examining Special systemd Commands 273


Using the SysV Initialization Process 276


Understanding Runlevels 277


Investigating SysVinit Commands 280


Stopping the System 283


Notifying the Users 284


Virtualizing Linux 286


Looking at Virtual Machines 287


Understanding Containers 291


Looking at Infrastructure as a Service 293


Summary 295


Exam Essentials 295


Review Questions 298


Part II Exam 102-500 303


Chapter 6 Configuring the GUI, Localization, and Printing 305


Understanding the GUI 306


Understanding the X11 Architecture 307


Examining X.Org 308


Figuring Out Wayland 309


Managing the GUI 311


Standard GUI Features 311


The X GUI Login System 313


Common Linux Desktop Environments 314


Providing Accessibility 323


Using X11 for Remote Access 325


Remote X11 Connections 326


Tunneling your X11 Connection 326


Using Remote Desktop Software 328


Viewing VNC 328


Grasping Xrdp 330


Exploring NX 332


Studying SPICE 332


Understanding Localization 333


Character Sets 333


Environment Variables 334


Setting Your Locale 335


Installation Locale Decisions 335


Changing Your Locale 336


Looking at Time 338


Working with Time Zones 338


Setting the Time and Date 339


Configuring Printing 343


Summary 345


Exam Essentials 346


Review Questions 348


Chapter 7 Administering the System 353


Managing Users and Groups 354


Understanding Users and Groups 354


Configuring User Accounts 355


Configuring Groups 371


Managing Email 375


Understanding Email 375


Choosing Email Software 376


Working with Email 377


Using Log and Journal Files 384


Examining the syslog Protocol 385


Viewing the History of Linux Logging 387


Logging Basics Using rsyslogd 387


Journaling with systemd-journald 394


Maintaining the System Time 403


Understanding Linux Time Concepts 403


Viewing and Setting Time 404


Understanding the Network Time Protocol 408


Using the NTP Daemon 411


Using the chrony Daemon 413


Summary 416


Exam Essentials 416


Review Questions 419


Chapter 8 Configuring Basic Networking 423


Networking Basics 424


The Physical Layer 424


The Network Layer 426


The Transport Layer 430


The Application Layer 431


Configuring Network Features 433


Network Configuration Files 433


Graphical Tools 436


Command-Line Tools 438


Getting Network Settings Automatically 445


Bonding Network Cards 445


Basic Network Troubleshooting 447


Sending Test Packets 447


Tracing Routes 448


Finding Host Information 449


Advanced Network Troubleshooting 452


The netstat Command 452


Examining Sockets 455


The netcat Utility 456


Summary 457


Exam Essentials 458


Review Questions 460


Chapter 9 Writing Scripts 465


Shell Variables 466


Global Environment Variables 466


Local Environment Variables 468


Setting Local Environment Variables 470


Setting Global Environment Variables 472


Locating System Environment Variables 472


Using Command Aliases 474


The Basics of Shell Scripting 475


Running Multiple Commands 475


Redirecting Output 476


Piping Data 477


The Shell Script Format 478


Running the Shell Script 479


Advanced Shell Scripting 481


Displaying Messages 481


Using Variables in Scripts 482


Command-Line Arguments 484


Getting User Input 484


The Exit Status 488


Writing Script Programs 489


Command Substitution 489


Performing Math 490


Logic Statements 492


Loops 496


Functions 498


Running Scripts in Background Mode 500


Running in the Background 501


Running Multiple Background Jobs 502


Running Scripts Without a Console 503


Sending Signals 504


Interrupting a Process 504


Pausing a Process 504


Job Control 506


Viewing Jobs 506


Restarting Stopped Jobs 508


Running Like Clockwork 509


Scheduling a Job Using the at Command 509


Scheduling Regular Scripts 513


Summary 515


Exam Essentials 516


Review Questions 518


Chapter 10 Securing Your System 523


Administering Network Security 524


Disabling Unused Services 524


Using Super Server Restrictions 534


Restricting via TCP Wrappers 538


Administering Local Security 539


Securing Passwords 539


Limiting root Access 543


Auditing User Access 547


Setting Login, Process, and Memory Limits 549


Locating SUID/SGID Files 551


Exploring Cryptography Concepts 553


Discovering Key Concepts 553


Securing Data 554


Signing Transmissions 555


Looking at SSH 555


Exploring Basic SSH Concepts 555


Configuring SSH 558


Generating SSH Keys 560


Authenticating with SSH Keys 561


Authenticating with the Authentication Agent 564


Tunneling 565


Using SSH Securely 567


Using GPG 567


Generating Keys 568


Importing Keys 569


Encrypting and Decrypting Data 570


Signing Messages and Verifying Signatures 571


Revoking a Key 573


Summary 574


Exam Essentials 575


Review Questions 577


Appendix Answers to Review Questions 583


Chapter 1: Exploring Linux Command-Line Tools 584


Chapter 2: Managing Software and Processes 587


Chapter 3: Configuring Hardware 590


Chapter 4: Managing Files 593


Chapter 5: Booting, Initializing, and Virtualizing Linux 597


Chapter 6: Configuring the GUI, Localization, and Printing 601


Chapter 7: Administering the System 605


Chapter 8: Configuring Basic Networking 608


Chapter 9: Writing Scripts 611


Chapter 10: Securing Your System 615


Index 619

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