CompTIA Linux+ / LPIC-1 Cert Guide Premium Edition and Practice Test

Description

CompTIA Linux+ / LPIC - 1 Cert Guide, Premium Edition Practice Test 
 
The exciting new  CompTIA Linux+ / LPIC - 1 Cert Guide, Premium Edition Practice Test  is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Test. The Premium Edition eBook and Practice Test contains the following items:

• The  CompTIA Linux+ / LPIC - 1 Cert Guide Premium Edition Practice Test, including four full practice exams and enhanced practice test features
• PDF and EPUB formats of the CompTIA Linux+ / LPIC - 1 Cert Guide from Pearson IT Certification, which are accessible via your PC, tablet, and smartphone
  

About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson IT Certification Practice Test (PCPT) software with four full practice exams. In addition, it contains all the chapter-opening assessment questions from the book. This integrated learning package

• Enables you to focus on individual topic areas or take complete, timed exams
• Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
• Provides unique sets of exam-realistic practice questions
• Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most
  

Pearson IT Certification Practice Test minimum system requirements:
Windows Vista (SP2), Windows 7, or Windows 8.1 (desktop UI only); Microsoft .NET Framework 4.5 Client; Pentium class 1GHz processor (or equivalent); 512MB RAM; 650MB hard disk space plus 50MB for each exam download; access to the Internet to register and download exam databases

About the Premium Edition eBook

The LPIC-1 Authorized CertGuide has a single goal: to help you pass the new version of the Linux Professional Institute LPIC-1 exams. The most comprehensive and time-efficient LPIC-1 study guide available, it's an extraordinarily cost-effective alternative to expensive training: a perfect resource for all LPIC-1 candidates. Authored by a leading LPI insider and long-time Linux trainer, it presents focused, straight-to-the-point coverage of all LPIC-1 exam topics, including

• System Architecture
• Linux Installation and Package Management
• GNU and Unix Commands
• Devices, Linux Filesystems, Filesystem Hierarchy Standard
• Shells, Scripting and Data Management
• User Interfaces and Desktops
• Administrative Tasks
• Essential System Services
• Networking Fundamentals
• Security

From start to finish, it's organized to help you focus your study time where you need the most help, so you can retain more, and earn higher scores:

• Pre-chapter "Do I Know This Already" (DIKTA) quizzes help you assess your knowledge of each chapter's content, and decide how much time to spend on each section
• Foundation Topics sections thoroughly explain concepts and theory, and link them to real-world configurations and commands
• Key Topics icons flag every figure, table, or list you absolutely must understand and remember
• Chapter-ending Exam Preparation sections deliver even more exercises and troubleshooting scenarios

Downloads

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Study Planner (22 KB .xlsx)

Databases (2 KB .zip)

Sample Content

Table of Contents

Chapter 1 Installing Linux 3
“Do I Know This Already?” Quiz 3
Understanding Your Hardware 6
    Peripheral Compatibility 7
    Enumerating Your Peripherals 7
    The Proc Filesystem 8
        Friends of procfs 10
        Dealing with Integrated Peripherals 10
Laying Out the Hard Drive 11
    Partitions and Devices 11
    The Root Filesystem 12
    Logical Volume Manager (LVM) 14
    Commonly Used Mounts 16
    Swap Files 16
Working with Boot Managers 17
    GRUB Legacy 17
    GRUB2 18
        Installing GRUB2 18
        Using the GRUB2 Command Line 19
        Configuring GRUB2 20
Summary 21
Exam Preparation Tasks 22
    Review All Key Topics 22
    Define Key Terms 22
    Review Questions 23

Chapter 2 Boot Process and Runlevels 27
“Do I Know This Already?” Quiz 27
The Linux Boot Process 30
    What Is the Boot Process? 30
    Boot Loaders 30
    Common Commands at Boot Time 32
Boot Sequence from BIOS to Fully Running System 33
    SysVinit 33
systemd 34
    Units in systemd 36
    systemd Targets and Runlevels 37
    Wants and Requires 38
Booting with systemd 38
    Upstart 39
        Managing System Runlevels 40
        Determining the Default Runlevel 40
    Setting the Default Runlevels 41
    Changing Runlevels 41
Shut Down and Reboot from the Command Line 42
    Alerting Users 43
Properly Terminating Processes 44
    kill and killall 44
    Reloading or “Hanging Up” Processes 45
Logging Boot Events 45
Exam Preparation Tasks 46
    Review All Key Topics 46
    Define Key Terms 47
    Review Questions 47

Chapter 3 Package Install and Management 51
“Do I Know This Already?” Quiz 51
Software in a Linux System 54
    Shared Libraries 54
    Working with Shared Libraries 56
    Determining Required Libraries 56
        Looking for Libraries in Other Places 57
Debian Package Management 58
    Managing Local Debian Packages 58
        Installing Packages with dpkg 59
        Removing Packages 60
        Dependency Issues 60
        Querying Packages 61
        Reconfiguring Packages 63
    Using Remote Repositories 64
        Installing Remote Packages 64
        Working with the Cache 65
        Upgrading the System 66
        Removing Packages 67
        Graphical Managers 67
RPM and YUM Package Management 68
    The RPM Database 68
        RPM Package Files 69
        Package Name Conventions 69
    The rpm Command 70
        Validation of Packages 71
        Installation of Packages 72
        Additional Installation Options 72
        Verifying a Package’s Integrity 73
        Freshening Versus Upgrading 74
        Removing Packages 75
        Other Removal Options 76
    Querying Packages 77
    Package Management with YUM 80
        Installing Packages 80
        Fetching Updates 83
        Finding Packages to Install 83
    Configuring Yum 84
Summary 86
Exam Preparation Tasks 86
    Review All Key Topics 86
    Define Key Terms 87
    Review Questions 88

Chapter 4 Basic Command Line Usage 91
“Do I Know This Already?” Quiz 91
What Is a Shell? 93
Global and User Settings 94
    Sourcing Versus Executing 94
        Executing a Script 94
    Sourcing a Script 94
    A Login Shell Session 95
    A Non-Login Shell Session 96
Using the Command Line 97
    There Are Commands and, Well, Commands 97
    Structuring Commands 98
    Breaking Long Command Lines 98
    Command Completion 99
    Special Characters in the Shell 99
Controlling Command Execution 100
    Possible Exit Statuses 100
Environment Variables and Settings 101
    The Path 102
    Getting $HOME 102
    bash’s History Feature 103
    Important History Variables 104
Setting Options in bash 104
    Important bash Options 104
Exam Preparation Tasks 105
    Review All Key Topics 105
    Define Key Terms 106
    Review Questions 106

Chapter 5 File Management 109
“Do I Know This Already?” Quiz 109
Filesystem Overview 112
    What Belongs Where 112
        The Root of the System 112
        Classifying Data 113
        Where Programs Live 114
File Management Commands 114
    Tips for Working with Linux Files 115
    Basic Navigation 115
    Advanced Navigation 116
    Listing Files and Directories 116
    Determining File Types 118
    Touching Files 120
    Copying Files and Directories 121
    Moving Objects 123
    Transforming Data Formats 126
    Creating and Removing Directories 127
    Removing Objects 128
Where Are Those Files? 128
    Locating Files with Locate 128
    Finding Files 130
    Which Command Will Run? 132
    Researching a Command 132
    Linking Files 133
        Symbolic Links 134
        Hard Links 135
Backup Commands 136
    Using tar 137
    Taking Pity on the Unarchiver 139
        Useful Creation Options 140
        Listing Archive Files 140
        Using cpio 141
    Compression Utilities 143
Summary 144
Exam Preparation Tasks 144
    Review All Key Topics 144
    Define Key Terms 145
    Review Questions 146

Chapter 6 Text Processing/Advanced Command Line 151
“Do I Know This Already?” Quiz 151
Working with Input/Output Streams 154
    Standard In 154
    Standard Out 154
    Standard Error 155
    Redirection of Streams 156
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    Redirecting Standard Input 157
    Redirecting Standard Output 157
    Redirecting Standard Error 157
    Redirection Redux 158
Pipes 159
Executing Multiple Commands 161
    Multiple Command Operators 161
    Command Substitution 162
Splitting and Processing Streams 163
    Splitting Streams with the tee Command 163
    Processing Output with the xargs Command 163
Filters 165
    Sorting 165
    Numbering Lines 166
    Tabs 167
    Cutting Columns 168
    Pasting and Joining 168
    Unique Data 169
    Heads or Tails? 170
    Splitting Files 172
    When cat Goes Backward 173
    Viewing Binary Files Safely 173
Formatting Commands 174
    Translating Files 175
    He sed, She sed 176
    Getting a grep 178
        Examples of Using grep 179
    Expanding grep with egrep and fgrep 184
Using Regular Expressions and grep 185
Summary 188
Exam Preparation Tasks 188
    Review All Key Topics 188
    Define Key Terms 189
    Review Questions 189

Chapter 7 Process Management 193
“Do I Know This Already?” Quiz 193
Managing Processes 196
    Viewing Processes 196
    What’s the Diff? 197
    The free Command 198
    Blocks and Buffers 199
    Pages, Slabs, and Caches 199
    Interpreting Displayed Information from free 200
    System Uptime 201
Sending Signals to Processes 202
    Killing Processes by PID 203
    Killing Processes by Other Criteria 204
Job Control 205
Managing Process Priorities 207
Leaving Programs Running after Logout 209
    Using screen for Multiple Console Sessions 210
        Taking Control-a of screen Windows 211
        Creating Windows in screen 211
        Detaching and Reattaching from screen 212
        Locking Your Console via screen 213
Summary 213
Exam Preparation Tasks 214
    Review All Key Topics 214
    Define Key Terms 215
    Review Questions 215

Chapter 8 Editing Text 219
“Do I Know This Already?” Quiz 219
A Tour of the vim Editor 222
    The Message Line 222
    Editing in vi 222
        Opening a File for Editing 223
        Navigating Within a File 224
        Force Multipliers 225
        Undo Operations 225
        Saving Files 226
        Quitting vi 226
        Changing or Replacing Text 227
        Deleting Text and Lines 227
        The Cut, Copy, and Paste Commands 228
        Named and Unnamed Buffers 229
    Searching in vi 230
        Searching and Replacing 231
        Regular Expression Searches 231
    Options in vi 232
    Advanced vi 234
        Running External Commands in vi 234
        Joining Lines 234
        Split Windows 234
Exam Preparation Tasks 236
    Review All Key Topics 236
    Review Questions 236

Chapter 9 Partitions and Filesystems 241
“Do I Know This Already?” Quiz 241
Creating Partitions 244
    Partitions 244
    Swap 245
    Disk Partitioning Tools 245
        fdisk 246
        gdisk 250
        Parted 254
Filesystems 255
    Filesystem Types 255
    Superblocks 256
    Inodes and Files 256
    Inodes and Directories 258
    Inodes and Disk Space 259
    Creating Filesystems 260
        The mkfs Command 260
        Filesystem Creation Options 261
    Advanced Filesystem Commands 263
        Filesystem Checker 263
        Tuning Filesystems 266
        XFS Commands 267
        Debugging Filesystems 268
        Mounting and Unmounting 269
    The Filesystem Table 270
        Manually Mounting Filesystems 272
        Automatically Mounting Filesystems 273
        Unmounting Filesystems 273
Space Utilization 274
    Using du 274
    Using df 275
    Using Disk Quotas 277
        Quota Commands and Files 277
        Quota Concepts 277
        Configuring Quotas 278
        Hard and Soft Limits 280
        Setting the Grace Period 281
        Getting Quota Information 281
Summary 282
Exam Preparation Tasks 282
    Review All Key Topics 282
    Define Key Terms 284
    Review Questions 284

Chapter 10 Permissions and Ownership 289
“Do I Know This Already?” Quiz 289
Working with Permissions 292
    Permission Trio Bits 292
Manipulating Permissions 294
    Numeric Mode 294
        Symbolic Mode 296
Special File Permissions 297
    Special Bit Permissions 298
    Setting the SUID Bit on Files 299
    Setting the SGID Bit on Files 300
    Setting the SGID Bit on Directories 301
    Setting the Sticky Bit 302
Finding Files by Permission 302
Default Permissions 303
Changing User Ownership 305
Changing Group Ownership 306
Summary 307
Exam Preparation Tasks 307
    Review All Key Topics 307
    Define Key Terms 308
    Review Questions 308

Chapter 11 Customizing Shell Environments 311
“Do I Know This Already?” Quiz 311
Working Within the Shell 314
    Environment Variables 315
    Variable Scope 316
        Setting Variables from a Child 316
    Setting and Unsetting Variables 317
    Subshells 318
        The env Wrapper 319
Extending the Shell 320
    Global and User Settings 320
        A Login Shell Session 321
        A Non-Login Shell Session 321
    The PATH 322
        Aliases and Functions 323
        Functions 323
    PS1 324
        Adding More Dynamic Content 325
        PS2 326
    Creating New Users (skeleton) 326
Localization and Internationalization 327
    Time Zones 327
        Displaying Time 328
        Setting Time Zones 328
    Character Encoding 329
    Representing Locales 330
        Fallback Locales 331
    Contents of a Locale 331
    How Linux Uses the Locale 332
        Converting Files Between Encodings 334
Exam Preparation Tasks 334
    Review All Key Topics 334
    Define Key Terms 335
    Review Questions 335

Chapter 12 Shell Scripting 339
“Do I Know This Already?” Quiz 339
Basics of Scripting 342
    Running a Script 343
    Good Design 343
    Managing Your Scripts 344
Shell Script Commands 344
    Use the Output of Another Command 344
    Do Math 345
    Conditions 346
    Testing Files 348
    An Easier Test Syntax 348
    Testing Strings 349
    Testing Integers 350
    Combining Multiple Tests 351
    Case Statements 351
    Loops 353
        For Loops 353
        Sequences 354
        While Loops 355
        Reading from stdin in a Loop 356
    Interacting with Other Programs 356
    Returning an Error Code 357
    Accepting Arguments 357
    Transferring Control to Another Program 358
Exam Preparation Tasks 359
    Review All Key Topics 359
    Define Key Terms 360
    Review Questions 360

Chapter 13 Basic SQL Management 365
“Do I Know This Already?” Quiz 365
Database Basics 368
    Types of Databases 368
        Key-Value Databases 368
        Relational Databases 369
        Schemaless Databases 370
Learning SQL 371
    Using SQLite 371
    SQL Basics 372
        Keywords Versus Data 372
    Selecting Data 373
        Being Choosy 374
        Multiple Conditions 376
        Sorting 377
    Limiting Results 378
    Working with Multiple Tables 378
        Writing Queries with Joins 379
        Cleaning Up the Query 381
    Advanced Joins 381
        Left Versus Right Joins 384
        Null 384
    Subselects 385
    Grouping Data 386
    Inserting Data 387
    Updating Data 388
    Deleting Data 388
    Creating Tables 388
Summary 390
Exam Preparation Tasks 390
    Review All Key Topics 390
    Define Key Terms 391
    Review Questions 392

Chapter 14 Configuring User Interfaces and Desktops 397
“Do I Know This Already?” Quiz 397
Quick Overview of X 400
    How X Works 400
        Window Managers 401
        Linux Desktops 402
The Xorg System 402
    The Xorg Configuration File 402
    Fonts in X 405
    Tuning X 406
X Display Managers 408
Into and Out of X 409
Accessibility Options 410
    Sticky/Repeat Keys 410
    Slow/Bounce/Toggle Keys 411
    Mouse Keys 411
    High Contrast/Large Print Desktop Themes 412
    Screen Reader 412
    Braille Display 413
    Screen Magnifier 413
    Onscreen Keyboard 413
Remote Clients 413
Summary 415
Exam Preparation Tasks 415
    Review All Key Topics 415
    Define Key Terms 415
    Review Questions 416

Chapter 15 Managing Users and Groups 419
“Do I Know This Already?” Quiz 419
User Account Fundamentals 422
    What Accounts Are What? 422
        Normal User Accounts 423
        User Entries in /etc/passwd 423
        Special Login Files 424
Group Accounts 425
    Group Entries in /etc/group 427
    Group Passwords 427
Adding Users and Groups 428
    Adding Users with useradd 428
    The useradd Defaults 429
    Adding Groups with groupadd 431
Modifying Users and Groups 431
    Modifying User Accounts with usermod 431
    Modifying Groups with groupmod 432
Removing Users and Groups 433
    Removing Users 433
    Removing Groups 434
The Shadow Suite 435
    Encrypted Passwords and Shadow Fields 435
    shadow File Permissions 437
Changing Accounts 437
    Aging Passwords 438
    User Variables 440
Summary 440
Exam Preparation Tasks 441
    Review All Key Topics 441
    Define Key Terms 442
    Review Questions 442

Chapter 16 Schedule and Automate Tasks 445
“Do I Know This Already?” Quiz 445
The Cron System 447
    Configuring crontabs 447
        Using the crontab Command 447
        Matching Times 448
        Spelling Out Month and Day Names 449
        Making Multiple Matches 449
        Step Values 450
        Putting the crontab Together 450
        Issues About Path 450
        Dealing with Output 451
        Nicknames 452
    Other Files 452
        System crontabs 453
        Convenience crontabs 454
    Restricting Access 454
Anacron 455
Running Ad-hoc Jobs 456
    The at Command 456
    The batch Command 458
Summary 459
Exam Preparation Tasks 460
    Review All Key Topics 460
    Define Key Terms 460
    Review Questions 461

Chapter 17 Configuring Print and Email Services 465
“Do I Know This Already?” Quiz 465
Managing Printers and Printing 467
    The Print Spooler 467
        Network Printing Protocols 467
    The CUPS Daemon 468
        The CUPS Pipeline 468
    Configuring CUPS 470
    CUPS Maintenance 474
        Printer State 475
        Maintenance and Administration Pull-downs 476
        Administration Menu 476
        Jobs List 477
    Command Line Tools 477
        Legacy Tools 477
        lp/lpr 478
        lpstat 478
        lpq 479
        lprm 479
        CUPS Tools 480
        cupsaccept/cupsreject 480
        cupsenable/cupsdisable 481
        cupsctl 481
        Configuration Files 482
    Troubleshooting Printing 482
        Try Printing from the Command Line 482
        Was the Job Queued? 483
        Can CUPS Send the Job to the Printer? 483
        Turn On Debugging 483
Mail Transfer Agent Basics 484
    How Email Flows 484
        Mail User Agent 484
        Mail Transfer Agent 485
        The Language of Email 485
        Linux MTAs 486
        Domain Name System 487
        Mail Delivery Agent 488
        Mail Server 488
    Creating Aliases and Forwarding Email 489
        Committing Changes 489
        Other Types of Aliases 490
        User-Defined Forwarding 491
    Managing Queues 491
Summary 492
Exam Preparation Tasks 492
    Review All Key Topics 492
    Define Key Terms 493
    Review Questions 493

Chapter 18 Logging and Time Services 497
“Do I Know This Already?” Quiz 497
Maintain System Time 500
    Not One, But Two Clocks 500
    Working with the System Clock 500
    Working with the Hardware Clock 503
        The hwclock Command 503
        Synchronizing Time Between Clocks 504
    Network Time Protocol 504
        Setting the Time from the Command Line 505
        The pool.ntp.org Servers 505
        Configuring ntpd 506
        Monitoring ntpd 507
System Logging 508
    systemd and syslog 508
        syslog 509
        The logger Command 512
        Configuring syslogd 512
        Other syslog Implementations 514
    systemd Logging 514
        Querying the Log 515
        Configuring journald 519
Rotating Logs 520
    Configuring Log Rotation 520
    Dealing with Open Files 522
Summary 522
Exam Preparation Tasks 523
    Review All Key Topics 523
    Define Key Terms 524
    Review Questions 524

Chapter 19 Networking Fundamentals 529
“Do I Know This Already?” Quiz 529
Conceptual Overview of Networking 532
    Necessary Configuration Information 533
    IP Addresses 533
    Networks and Hosts 534
    Address Class Ranges 534
        Using the Bits to Determine Class 535
    Network Masks 536
    Using Default Network Masks 536
    Gateway Addresses, or “Do I Dial with the Area Code?” 537
    Broadcast Addresses 538
    Custom Network Masks 538
    Determining a Custom Network Mask 538
    Additional Protocols 541
        Common Ports 542
    IPv6 544
Managing Interfaces 545
    Viewing IP Information 545
    Red Hat Interface Configuration 547
    Debian Interface Configuration 548
    Viewing and Configuring Gateway Addresses 550
        Viewing the Default Gateway 550
        Configuring a Default Gateway 550
        Local Name Configuration 551
Network Configuration Utilities 553
    Network Utility Examples 554
        The ifconfig Command 555
        The route Command 555
        DHCP Client Tools 556
        The host, getent, and dig Commands 557
        Hostname Utilities 559
        Using netstat 559
        The ping Command 562
        Using traceroute 563
        Using tcpdump 565
Summary 566
Exam Preparation Tasks 566
    Review All Key Topics 566
    Define Key Terms 567
    Review Questions 567

Chapter 20 System Security 571
“Do I Know This Already?” Quiz 571
Gaining Access to the root Account 574
    The su Command 574
    The sudo Command 575
Providing Services on Demand 576
    Using inetd and xinetd 576
    inetd Configuration Files 577
    xinetd Configuration Files 578
Using TCP Wrappers for Securing Services 581
    inetd and TCP Wrappers 581
    xinetd and TCP Wrappers 582
    The hosts.allow and hosts.deny Files 582
    Wrapper Read Order 583
    Format of hosts.allow and hosts.deny 583
    Sample Configurations 583
    Using Rule Options 585
Understanding Permission Problems 586
    Finding Files by Permissions 587
GnuPG Keys 587
Secure Shell 590
    SSH Components 591
        Using SSH Client Utilities 592
Additional Security Features 596
Summary 597
Exam Preparation Tasks 598
    Review All Key Topics 598
    Define Key Terms 599
    Review Questions 599

Chapter 21 Final Preparation 603
How to Prepare for the LPI Exams 604
    Caveat and Warning 604
    Exam Objectives 604
    Important Exam Facts 605
    Right Before Your Exam Starts 605
    How to Look at the Objectives 606
    Studying for the Exams–What to Do 608
    Machines or Virtual Machines? 609
    Studying for the Exams–What Not to Do 609
    Don’t Believe Everything 610
    Don’t Worry, Be Happy 610
    LPI Certifications and Distributions 610
    You Have to Install Something 611
    LPI Exam Question Types 611
    Single Answer Multiple Choice 612
    Choose Two/Choose Three 613
    Choose All That Apply 613
    Fill in the Blank 615
    Final Recommendations 616
Summary 617

Appendix A Answers to the “Do I Know This Already?” Quizzes and Review Questions 619

Glossary 659

Index 693

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