Lpic-1: Linux Professional Institute Certification Study Guide: Exam 101-400 and Exam 102-400

Cover......Page 1
Title Page......Page 5
Copyright......Page 6
Contents......Page 13
Introduction......Page 21
Assessment Test......Page 39
Answers to the Assessment Test......Page 46
Part I Exam 101-400......Page 55
 Chapter 1 Exploring Linux Command-Line Tools......Page 57
   Exploring Your Linux Shell Options......Page 58
   Using a Shell......Page 59
   Using Environment Variables......Page 67
   Getting Help......Page 68
  Using Streams, Redirection, and Pipes......Page 70
   Redirecting Input and Output......Page 71
   Piping Data between Programs......Page 73
   Generating Command Lines......Page 74
   File-Combining Commands......Page 76
   File-Transforming Commands......Page 78
   File-Formatting Commands......Page 82
   File-Viewing Commands......Page 85
   File-Summarizing Commands......Page 87
   Understanding Regular Expressions......Page 89
   Using grep......Page 90
   Using sed......Page 92
  Exam Essentials......Page 95
  Review Questions......Page 96
 Chapter 2 Managing Software......Page 101
  Package Concepts......Page 102
   RPM Distributions and Conventions......Page 104
   The rpm Command Set......Page 106
   Extracting Data from RPMs......Page 110
   Using Yum......Page 111
   RPM and Yum Configuration Files......Page 115
   RPM Compared to Other Package Formats......Page 116
   Debian Distributions and Conventions......Page 117
   The dpkg Command Set......Page 118
   Using apt-cache......Page 121
   Using apt-get......Page 122
   Using dselect, aptitude, and Synaptic......Page 126
   Debian Packages Compared to Other Package Formats......Page 127
   Configuring Debian Package Tools......Page 128
  Converting between Package Formats......Page 129
   Real and Imagined Package Dependency Problems......Page 131
   Workarounds for Package Dependency Problems......Page 132
   Startup Script Problems......Page 134
   Library Principles......Page 135
   Locating Library Files......Page 137
   Library Management Commands......Page 139
  Managing Processes......Page 141
   Examining Process Lists......Page 142
   Understanding Foreground and Background Processes......Page 149
   Managing Process Priorities......Page 150
   Killing Processes......Page 151
  Exam Essentials......Page 153
  Review Questions......Page 155
 Chapter 3 Configuring Hardware......Page 161
   Understanding the Role of the Firmware......Page 162
   IRQs......Page 166
   I/O Addresses......Page 169
   DMA Addresses......Page 170
   Boot Disks and Geometry Settings......Page 171
   Coldplug and Hotplug Devices......Page 173
  Configuring Expansion Cards......Page 174
   Configuring PCI Cards......Page 175
   Learning about Kernel Modules......Page 176
   Loading Kernel Modules......Page 178
   Removing Kernel Modules......Page 179
   USB Basics......Page 180
   Linux USB Drivers......Page 181
   USB Manager Applications......Page 182
   Configuring PATA Disks......Page 183
   Configuring SCSI Disks......Page 184
  Designing a Hard Disk Layout......Page 186
   Understanding Partitioning Systems......Page 187
   Mount Points......Page 190
   Common Partitions and Filesystem Layouts......Page 191
  Creating Partitions and Filesystems......Page 193
   Partitioning a Disk......Page 194
   Preparing a Partition for Use......Page 199
   Tuning Filesystems......Page 205
   Maintaining a Journal......Page 210
   Checking Filesystems......Page 211
   Monitoring Disk Use......Page 212
  Mounting and Unmounting Filesystems......Page 215
   Temporarily Mounting or Unmounting Filesystems......Page 216
   Permanently Mounting Filesystems......Page 221
  Summary......Page 223
  Exam Essentials......Page 224
  Review Questions......Page 226
 Chapter 4 Managing Files......Page 231
   Naming Files......Page 232
   Understanding the File Commands......Page 234
   Archiving File Commands......Page 241
   Managing Links......Page 249
   Understanding the Directory Commands......Page 252
   Assessing File Ownership......Page 253
  Controlling Access to Files......Page 254
   Understanding Permissions......Page 255
   Changing a File’s Mode......Page 260
   Setting the Default Mode and Group......Page 264
   Changing File Attributes......Page 266
  Managing Disk Quotas......Page 267
   Enabling Quota Support......Page 268
   Setting Quotas for Users......Page 269
   Getting to Know the FHS......Page 270
   Employing Tools to Locate Files......Page 276
  Exam Essentials......Page 280
  Review Questions......Page 282
 Chapter 5 Booting Linux and Editing Files......Page 287
  Installing Boot Loaders......Page 288
   Boot Loader Principles......Page 289
   Using GRUB Legacy as the Boot Loader......Page 292
   Using GRUB 2 as the Boot Loader......Page 297
   Using Alternative Boot Loaders......Page 299
   Extracting Information about the Boot Process......Page 301
   The Boot Process......Page 302
  The Initialization Process......Page 303
   Runlevel Functions......Page 304
   Identifying the Services in a Runlevel......Page 306
   Managing Runlevel Services......Page 307
   Changing Runlevels on a Running System......Page 309
  Using the systemd Initialization Process......Page 312
   Units and Targets......Page 313
   Configuring Units......Page 314
   Setting the Default Target......Page 315
   The systemctl Program......Page 316
  Using the Upstart Initialization Process......Page 317
   Using SysV Compatibility Methods......Page 318
   Understanding Vi Modes......Page 319
   Exploring Basic Text-Editing Procedures......Page 320
   Saving Changes......Page 323
  Exam Essentials......Page 324
  Review Questions......Page 326
Part II Exam 102-400......Page 331
 Chapter 6 Configuring the X Window System, Localization, and Printing......Page 333
   X Server Options for Linux......Page 334
   Methods of Configuring X......Page 336
   X Configuration Options......Page 339
   Obtaining X Display Information......Page 347
  Configuring X Fonts......Page 349
   Configuring X Core Fonts......Page 350
   Configuring a Font Server......Page 353
   Configuring Xft Fonts......Page 354
   The X GUI Login System......Page 355
   Running an XDMCP Server......Page 356
   Configuring an XDMCP Server......Page 358
   X Client-Server Principles......Page 360
   Using Remote X Clients......Page 361
   Keyboard and Mouse Accessibility Issues......Page 364
   Screen Display Settings......Page 366
   Using Additional Assistive Technologies......Page 368
   Setting Your Time Zone......Page 369
   Querying and Setting Your Locale......Page 372
   Conceptualizing the Linux Printing Architecture......Page 375
   Understanding PostScript and Ghostscript......Page 376
   Configuring CUPS......Page 378
   Monitoring and Controlling the Print Queue......Page 384
  Exam Essentials......Page 389
  Review Questions......Page 391
 Chapter 7 Administering the System......Page 397
   Understanding Users and Groups......Page 398
   Configuring User Accounts......Page 402
   Configuring Groups......Page 413
   Viewing Individual Account Records......Page 416
  Tuning User and System Environments......Page 418
  Using Log and Journal Files......Page 419
   Setting Logging Options......Page 420
   Manually Logging Data......Page 423
   Rotating Log Files......Page 424
   Reviewing Log File Contents......Page 427
   Exploring the systemd Journal System......Page 428
   Understanding Linux Time Concepts......Page 433
   Manually Setting the Time......Page 434
   Using Network Time Protocol......Page 435
   Understanding the Role of cron......Page 443
   Creating System cron Jobs......Page 444
   Creating User cron Jobs......Page 445
   Using anacron......Page 448
   Using at......Page 450
  Exam Essentials......Page 453
  Review Questions......Page 455
 Chapter 8 Configuring Basic Networking......Page 461
   Knowing the Basic Functions of Network Hardware......Page 462
   Investigating Types of Network Hardware......Page 463
   Understanding Network Protocol Stacks......Page 465
   Knowing TCP/IP Protocol Types......Page 467
   Using Network Addresses......Page 468
   Resolving Hostnames......Page 475
   Network Ports......Page 478
  Configuring Linux for a Local Network......Page 481
   Configuring with DHCP......Page 482
   Configuring with a Static IP Address......Page 483
   Configuring Routing......Page 486
   Using the ifup and ifdown Commands......Page 488
   Configuring Hostnames......Page 489
   Testing Basic Connectivity......Page 492
   Tracing a Route......Page 493
   Examining Raw Network Traffic......Page 495
   Using Additional Tools......Page 497
  Exam Essentials......Page 499
  Review Questions......Page 501
 Chapter 9 Writing Scripts, Configuring Email, and Using Databases......Page 507
   Reviewing Environment Variables......Page 508
   Understanding Common Environment Variables......Page 509
   Using Aliases......Page 513
   Modifying Shell Configuration Files......Page 514
  Writing Scripts......Page 516
   Using Commands in Shell Scripts......Page 517
   Running a Shell Script......Page 519
   Using Variables in Shell Scripts......Page 524
   Using Conditional Expressions......Page 532
   Using Loops......Page 539
   Using Lists......Page 547
   Using Functions......Page 549
  Managing Email......Page 551
   Choosing Email Software......Page 552
   Working with Email......Page 554
  Managing Data with SQL......Page 558
   Understanding SQL Basics......Page 559
   Using MySQL......Page 560
  Exam Essentials......Page 569
  Review Questions......Page 571
 Chapter 10 Securing Your System......Page 577
  Administering Network Security......Page 578
   Using Super Server Restrictions......Page 579
   Disabling Unused Servers......Page 584
   Securing Passwords......Page 594
   Limiting root Access......Page 598
   Auditing User Access......Page 601
   Setting Login, Process, and Memory Limits......Page 605
   Locating SUID/SGID Files......Page 607
   Understanding SSH Basics......Page 609
   Setting SSH Options......Page 610
  Using GPG......Page 617
   Generating Keys......Page 618
   Importing Keys......Page 619
   Encrypting and Decrypting Data......Page 620
  Summary......Page 621
  Exam Essentials......Page 622
  Review Questions......Page 624
Appendix Answers......Page 629
 Chapter 1: Exploring Linux Command-Line Tools......Page 630
 Chapter 2: Managing Software......Page 633
 Chapter 3: Configuring Hardware......Page 637
 Chapter 4: Managing Files......Page 640
 Chapter 5: Booting Linux and Editing Files......Page 644
 Chapter 6: Configuring the X Window System, Localization, and Printing......Page 647
 Chapter 7: Administering the System......Page 651
 Chapter 8: Configuring Basic Networking......Page 655
 Chapter 9: Writing Scripts, Configuring Email, and Using Databases......Page 659
 Chapter 10: Securing Your System......Page 663
Index......Page 669
EULA......Page 690