Linux+ Certification Study Guide

Linux+ Certification Study Guide

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Overview

Linux+ Certification Study Guide by Drew Bird, Mike Harwood

The only classroom-based training and self-assessment system! Osborne's Linux+ Certification Study Guide provides 100% complete coverage of all objectives for this exam. Based on 200,000+ hours of IT training experience,the book contains hundreds of practice exam questions and hands-on exercises. The CD-ROM features full CertTrainer CBT software with interactive tutorials and lab simulations,plus the new ExamSim adaptive test engine.

The Only Certification Study System Based on 200,000+ Hours of IT Training Experience

  • 100% Complete Coverage—All official test objectives for the CompTIA Linux+ exam are covered in detail
  • Hands-on Exercises—Step-by-step instruction modeled after classroom labs
  • Exam Watch—Warnings based on thorough post-exam research identifying the most troublesome exam topics and how to answer them correctly
  • Three Types of Practice Questions—Knowledge,scenario,and lab-based questions,all with in-depth answers
  • From the Classroom—Discussions of important issues direct from the classroom

Full coverage of the topics you need to review,including how to:

  • Identify the purpose of a Linux machine based on predetermined customer requirements
  • Determine what software and services should be installed
  • Partition according to your preinstallation plan using fdisk
  • Select appropriate networking configuration and protocols
  • Create users and passwords during installation
  • Reconfigure X-Window with automated utilities
  • Load,remove,and edit list modules
  • Identify and change file permissions,modes,and types by using chmod,chown,and chgrp
  • Performadministrative tasks while logged in as root,and by using the su command
  • Monitor system log files regularly for errors,logins,and unusual activity
  • Describe troubleshooting best practices
  • Identify proper procedures for diagnosing and troubleshooting peripheral devices
CD-ROM features full CertTrainer CBT software and the ExamSim test engine—more than 200 questions on CD

CertTrainer

  • e-Training—Self-paced review of key Linux+ topics,including exam tips
  • In-depth Links—Need more explanation? Topically relevant links provide detailed instruction
  • Skill Assessment—Test your knowledge with more than 200 challenging practice exam questions
  • Score Reports—Indicate subject areas requiring further study

ExamSim

  • Complete Practice Exam—A realistic Linux+ exam with questions found only on the CD-ROM
  • Review Mode—Analyze what you got wrong and why
  • Detailed Answers—Explain why the correct options are right and why the incorrect options are wrong
  • Score Reports—Provide an overall assessment of your performance
PLUS

  • E-book—Electronic,searchable version of the Study Guide

Product Details

ISBN-13: 9780072134926
Publisher: McGraw-Hill Companies, The
Publication date: 12/13/2001
Series: Certification Press Series
Pages: 672
Product dimensions: 7.70(w) x 9.38(h) x 2.13(d)

Table of Contents

Forewordvi
About the Authorsix
Acknowledgmentsxi
Prefacexxxiii
Introductionxxxvii
1Introduction to Linux1
The Linux Community4
Anyone for a Free Operating System?5
Open Source: Fact and Fiction6
Who Uses Linux and Why?8
Introducing Linux Distributions12
Linux Today16
Summary18
2Networking Basics19
Identify Basic Network Concepts, Including How a Network Works21
Network Cabling24
Signal Enemies30
Networking Devices31
Media Access Methods38
Networking Standards40
Network Protocols42
Q&A58
3Hardware Configuration69
Electrostatic Discharge70
Identify Basic Terms, Concepts, and Functions of System Components72
Memory72
Storage Devices84
Identify Proper Procedures for Installing and Configuring ATA Devices85
Identify Proper Procedures for Installing and Configuring SCSI Devices89
IEEE 1394102
Universal Serial Bus102
Identify Proper Procedures for Installing and Configuring Peripheral Devices104
Cabling, Connectors, and Peripheral Ports106
Identify Available IRQs, DMAs, I/O Addresses, and Procedures for Device Installation108
Identify Basic Procedures for Adding and Removing Field-Replaceable Units111
Identify and Maintain Mobile System Hardware112
Q&A118
4Hardware Troubleshooting129
Identifying, Troubleshooting, and Isolating Common System Problems130
Identifying Proper Procedures for Diagnosing and Troubleshooting IDE Devices141
Identifying Proper Procedures for Diagnosing and Troubleshooting SCSI Devices142
Identifying Proper Procedures for Diagnosing and Troubleshooting Peripheral Devices144
Identifying Proper Procedures for Diagnosing and Troubleshooting Core System Hardware149
Q&A158
5Planning the Implementation171
Identifying the Purpose of the Linux System Based on Predetermined Requirements173
Comparing and Contrasting How Major Licensing Schemes Work178
Identifying the Function of Different Linux Services181
Identifying Strengths and Weaknesses of Different Distributions and Their Packaging Solutions188
Popular Linux Distributions189
Describing the Functions, Features, and Benefits of a Linux System195
Identifying How the Linux Kernel Version Numbering Works201
Identifying Where to Obtain Software and Resources204
Determining Customer Resources for a Solution206
Q&A211
6Pre-Installation Procedures221
General Pre-Installation Considerations222
Identifying Required System Hardware and Validating That It's Supported by Linux225
Determining Which Software and Services Should Be Installed231
Determining How Storage Space Will Be Allocated to File Systems235
Identifying the Best Method of Installation242
Making Linux Boot Disks244
Creating Boot Disks from Linux245
Partitioning According to Your Pre-Installation Plan with FDISK247
Understanding and Configuring File Systems249
Q&A255
7Linux Installation267
Describing the Different Types of Linux Installation Interaction and Describing Which One to Use for a Given Situation268
Selecting Appropriate Parameters for a Linux Installation270
Selecting Packages Based on the Machine's Role271
Selecting Appropriate Options for Partitions Based on Pre-Installation Choices272
Selecting Appropriate Networking Configuration and Protocols273
Selecting Appropriate Security Settings276
Creating Usernames and Passwords During Installation277
Installing and Configuring XFree86 Server281
Selecting Video Card Support283
Selecting Appropriate Monitor Manufacturers and Settings284
Selecting Appropriate Window Managers or Desktop Environments284
Explaining When and Why the Kernel Needs to Be Recompiled287
Installing a Boot Loader288
Installing and Uninstalling Applications After Installing the Operating System290
Reading Log Files Created During Installation to Verify the Success of the Installation293
Testing an Installed Application's Performance in Both a Test and a Production Environment294
Red Hat Installation295
SuSE Text-Based Installation308
Q&A320
8Configuration331
Reconfiguring the X Window System with Automated Utilities332
Configuring the Client's Workstation for Remote Access336
Setting Environment Variables339
Configuring Basic Network Services and Settings342
Configuring Basic Server Services346
Configuring Basic Internet Services354
Identifying When Swap Space Needs to Be Increased359
Adding and Configuring Printers361
Reconfiguring Boot Loader364
Identifying the Purposes and Characteristics of Configuration Files367
Editing Basic Configuration Files371
Loading, Removing, and Editing List Modules373
Documenting the Installation of the Operating System, Including Configuration377
Configuring Access Rights380
Q&A388
9Linux Administration399
Creating and Deleting Users400
Deleting and Disabling User Accounts406
Modifying Existing Users407
Creating, Modifying, and Deleting Groups411
Identifying and Changing File Permissions, Modes, and Types415
Managing and Navigating the Linux Hierarchy and File System423
Performing Administrative Tasks while Logged in as Root or by Using the su Command431
Mounting and Managing File Systems and Devices433
Q&A440
10Administration: Part Two449
Describing and Using the Features of the Multiuser Environment450
Using Common Shell Commands and Expressions453
Using Network Commands to Connect to and Manage Remote Systems458
Creating, Extracting, and Editing File and Tape Archives with tar463
Managing Runlevels with init and shutdown465
Stopping, Starting, and Restarting Services (Daemons) as Needed471
Managing Print Spools and Queues473
Creating, Editing, and Saving Files with vi476
Managing and Navigating the Graphical User Interface481
Programming Basic Shell Scripts with Common Shell Commands485
Q&A494
11System Maintenance503
Creating and Managing Local Storage Devices and File Systems504
Verifying User and Root cron Jobs and Understanding the Function of cron508
Identifying Core Dumps and Removing or Forwarding as Appropriate513
Running and Interpreting ifconfig515
Downloading and Installing Patches and Updates518
Identifying, Executing, and Killing Processes519
Differentiating Core Services from Noncritical Services523
Monitoring System Log Files524
Documenting Work Performed on a System525
Performing and Verifying Backups and Restores527
Assessing, Performing, and Verifying Security Best Practices536
Setting Daemons and Processing Permissions540
Q&A545
12Troubleshooting555
Identifying and Locating the Problem556
Describing Troubleshooting Best Practices558
Editing Configuration Files Based on the Symptoms of a Problem562
Starting and Stopping Processes Based on the Symptoms of a Problem562
Using Tools to Determine System Status564
Using Boot Disks in the Recovery Process565
Determining the Cause of Errors from System Log Files566
Solving File System Problems570
Resolving Problems Based on User Feedback571
Recognizing Common Linux Errors576
Boot and Login Errors578
Identifying Backup and Restore Errors579
Server Application Failure581
Identifying and Using Troubleshooting Commands582
Using Linux Troubleshooting Resources584
Using Network Utilities to Identify Network Connectivity Problems586
Q&A595
ACommand Summary607
BExercises615
Exercise B-1616
Modifying File Permissions and Ownership616
Exercise B-2617
Mounting and Dismounting a CD-ROM Device617
Exercise B-3618
Changing the Default File Permission618
Exercise B-4619
Scheduling Jobs Using the at Command619
Exercise B-5620
Backing Up Files Using the tar Command620
Exercise B-6621
Configuring a Basic Printer Configuration for Testing621
Exercise B-7623
Working with Files and Directories623
Answer Key624
Exercise B-1624
Exercise B-2625
Exercise B-3625
Exercise B-4625
Exercise B-5625
Exercise B-6626
Exercise B-7626
CResources627
Linux Distribution Web Sites628
Linux-Related Web Sites628
Linux Newsgroups630
DGlossary633
EAbout the CD653
Installing CertTrainer654
CertTrainer654
ExamSim655
E-Book655
Help655
Upgrading655
Linux656
Index657

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