CompTIA Linux+ Certification Study Guide (2009 Exam)

CompTIA Linux+ Certification Study Guide (2009 Exam)

Exam XK0-003

1st Edition - October 21, 2009

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  • Authors: Brian Barber, Chris Happel, Terrence Lillard, Graham Speake
  • eBook ISBN: 9781597494830

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Description

CompTIA Linux+ Certification Study Guide offers a practical guide for those interested in pursuing a Linux+ certification. It covers the required content as specified in CompTIAs exam objectives and has been shaped according to the respective exam experiences of the authors. Careful attention has been paid to ensure that each exam objective has been covered and that each term in the list at the end of the objectives has been included in a glossary at the end of the book. The book has been designed in such a way that readers will start with installing Linux and end up with a useable and secure Linux workstation and server that is supported and managed. Key topics discussed include booting Linux; how to use the BASH command-line interpreter (CLI) or BASH shell; and how to install applications to transform the Linux system into a productive tool. The remaining chapters cover the configuration of Linux as a workstation and as a server; security objectives; and the care and feeding of a Linux system. Each chapter ends with 15 exam questions along with a corresponding answer key.

Key Features

  • Covers everything from test taking techniques to advanced topics - keeping the beginner and intermediate IT professional in mind
  • Layout of the guide parallels the 2009 Linux+ objectives for ease of study
  • More than just a book, this kit includes a self test, tiered questions, and two practice exams
  • Readership

    Computer Support Professionals, Network/Security Administrators, IT Technicians, Network/Systems Engineers

    Table of Contents


    • About the Authors

      Chapter 1 Introducing Linux+

      Introduction

      Benefits of Certification

      A Walk Through the Book

      The Approach

      The Chapters

      Differences in the New Version of the Exam

      Application and Services

      Networking

      Security

      Summary

      Chapter 2 Installing Linux

      Unique Terms and Definitions

      Introduction

      A Note about Hardware

      Installing from Local Media

      Linux Installation Process

      Welcome Screen

      System Probing and Installation Mode

      Clock and Time Zone

      Desktop Selection

      Suggested Partitioning

      User Settings

      Installation Settings

      Perform Installation

      Automatic Configuration

      Manual Configuration

      Hostname and Domain Name

      Network Configuration

      Installing across the Network

      Laying Out the Filesystem

      Disk Types

      Logical Volume Manager 46

      Redundant Array of Independent Disk

      RAID Levels

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 3 Managing Filesystems

      Unique Terms and Definitions

      Introduction

      Filesystem Types

      Local

      Network

      Mounting and U(n)mounting Filesystems

      The mount and umount Commands

      /etc/fstab

      Partitions

      Directories

      Filesystem Management

      Checking Disk Usage

      Quotas

      Check and Repair Filesystems

      Loopback Devices

      Network File System

      Swap

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 4 Booting Linux

      Unique Terms and Definitions

      Introduction

      GRUB

      Installing GRUB and Booting Linux

      GRUB Configuration Files and Commands

      Runlevels

      The init Command

      Linux Seven Runlevels

      Troubleshooting Boot Issues

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 5 Configuring the Base System

      Unique Terms and Definitions

      Introduction

      User Profiles

      System and User Profile and Environment Variables

      Device Management

      lsusb

      lspci

      lsmod

      /sys

      /proc

      modprobe and modprobe.conf File

      /etc/modules.conf Configuration File

      Linux Hardware Compatibility List

      Networking

      Configuring the Interface

      TCP/IP Ports

      Managing Connectivity

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 6 Using BASH

      Unique Terms and Definitions

      Introduction

      BASH Commands

      Navigating Directories

      Using File Commands

      Editing Files Using vi

      Managing Processes

      Leveraging I/O Redirection

      Special Devices

      Using System Documentation

      Using Virtual Consoles

      Accessing Kernel and Architecture Information

      Basic Scripting

      Using Shell Features

      Scheduling Tasks

      cron (cron allow, cron deny)

      crontab Command Syntax

      atq

      Managing Services

      /etc/init.d

      inetd and xinetd

      chkconfig

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Endnotes

      Chapter 7 Installing Applications

      Unique Terms and Definitions

      Introduction

      Install, Remove, and Update Programs

      Red Hat Package Manager

      deb

      Advanced Packaging Tool

      Compiling and Installing Applications from Source

      Archive Files

      Resolving Application Dependencies

      Adding and Removing Repositories

      Yum Repositories

      Adding a Repository in Debian

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 8 Installing, Configuring as a Workstation

      Unique Terms and Definitions

      Introduction

      Printing

      CUPS Overview

      Enable and Disable Queues

      Printing Commands

      X11

      Starting and Stopping X11

      Difference between X11 Clients and Server

      Window Managers

      Multiple Desktops

      X Window System Directories

      Terminal Emulators

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 9 Installing, Configuring as a Server

      Unique Terms and Definitions

      Introduction

      Network Services

      Dynamic Host Configuration Protocol

      Domain Name Server

      Network Time Protocol

      Windows Interoperability

      Web Services

      Remote Access from the Command Line

      Apache (HTTP) and Tomcat

      File Transfer Protocol

      Squid

      Application Services

      Printing

      Mail

      Sendmail

      MySQL

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Chapter 10 Securing Linux

      Unique Terms and Definitions

      Introduction

      Managing and Monitoring User and Group Accounts

      Tools

      Files

      File Permissions and Ownership

      Tools

      Special Permissions

      SELinux Basics

      Running Modes, Enabled, Disabled, Permissive

      Implementing Privilege Escalation

      sudo

      su

      /etc/sudoers

      Security Applications and Utilities

      nmap

      Wireshark

      Nessus

      Snort

      Tripwire

      Checksum and File Verification Utilities

      md5sum

      sha1sum

      gpg

      Implementing Remote Access

      SSH

      VNC

      Authentication Methods

      PAM

      LDAP

      NIS

      RADIUS

      Two-Factor Authentication

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Endnotes

      Chapter 11 Troubleshooting and Maintaining Linux

      Unique Terms and Definitions

      Introduction

      Monitoring Tools

      Commands

      Load Average

      Analyzing Logs

      Common Log Files

      Rotating Logs

      Searching and Interpreting Log Files

      Backing Up and Restoring

      Copying Data

      Archiving and Restoring Commands

      Writing to Removable Media (CD-RW, DVD-RW)

      Summary of Exam Objectives

      Self Test

      Self Test Quick Answer Key

      Endnotes

      Appendix Self Test

      Glossary

      Index








    Product details

    • No. of pages: 464
    • Language: English
    • Copyright: © Syngress 2009
    • Published: October 21, 2009
    • Imprint: Syngress
    • eBook ISBN: 9781597494830

    About the Authors

    Brian Barber

    Brian Barber (Linux+, MCSE, MCSA, MCP+I, CNE, CNA-GW) works for the Canada Deposit Insurance Corporation (CDIC) as a project manager and architect for CDIC's IT service management program. He first started using Linux at home with Red Hat 5.1 and since then he has been a staunch advocate of open source software, belonging to the Ottawa Canada Linux User Group (OCLUG) since 2001 and the Ottawa Python Authors Group. His primary areas of interest are operating systems, infrastructure design, multiplatform integration, directory services, and enterprise messaging. In the past he has held the positions of Principal Consultant with Sierra Systems Group Inc., Senior Technical Coordinator at the LGS Group Inc. (now a part of IBM Global Services) and Senior Technical Analyst at MetLife Canada.

    Affiliations and Expertise

    (Linux+, MCSE, MCSA, MCP+I, MCNE, CNE, CNA-GW)

    Chris Happel

    Chris Happel has over 20 years' experience with voice and data networking and security. He is currently a managing consultant for Liberty Trio, LLC, and is an avid supporter of GNU/Linux and open source software.

    Terrence Lillard

    Terrence V. Lillard (Linux+, CISSP) is an IT Security architect and cybercrime and cyberforensics expert. He is actively involved in computer, intrusion, network, and steganography cybercrime and cyberforensics cases, including investigations, security audits, and assessments both nationally and internationally. Terrence has testified in U.S. District Court as a Computer Forensics/Security Expert Witness. He has designed and implemented security architectures for various government, military, and multi-national corporations. Terrence's background includes positions as principal consultant at Microsoft, the IT Security Operations manager for the District of Columbia's government IT Security Team, and instructor at the Defense Cyber Crime Center's (DC3) Computer Investigation Training Academy Program. He has taught IT security and cybercrime/cyberforensics at the undergraduate and graduate level.

    He holds a B.S. in Electrical Engineering, Master of Business Administration (MBA), and is currently pursuing a Ph.D. in Information Security.

    Affiliations and Expertise

    (Linux+, CISSP)

    Graham Speake

    Graham Speake (CISSP #56073, M.Inst. ISP) is a risk management consultant with BP, one of the world's largest energy companies. He currently provides risk assessment and remediation consultancy to BP operating units throughout the world. His specialties include industrial automation and process control security, penetration testing, network security, and network design. Graham is a frequent speaker at security conferences and often presents security training to BP staff around the world. Grahams's background includes positions as a consultant at ATOS/Origin and an engineer at the Ford Motor Company.

    Graham holds a Bachelor's Degree from the Swansea University in Wales and is a member of the ISA.

    Affiliations and Expertise

    Risk Management Consultant, BP and CISSP

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