Eleventh Hour Linux+

Eleventh Hour Linux+

Exam XK0-003 Study Guide

1st Edition - November 4, 2009

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  • Authors: Graham Speake, Brian Barber, Chris Happel, Terrence Lillard
  • eBook ISBN: 9781597494984

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Description

Eleventh Hour Linux+: Exam XK0-003 Study Guide offers a practical guide for those preparing for the Linux+ certification exam.The book begins with a review of important concepts that are needed for successful operating system installation. These include computer hardware, environment settings, partitions, and network settings. The book presents the strategies for creating filesystems; different types of filesystems; the tools used to create filesystems; and the tools used to administer filesystems. It explains the Linux boot process; how to configure system and user profiles as well as the common environment variables; and how to use BASH command line interpreter.The remaining chapters discuss how to install, configure, support, and remove applications; the configuration of Linux as a workstation and as a server; securing the Linux system; and common tools for managing a system. Each chapter includes information on exam objectives, exam warnings, and the top five toughest questions along with their answers.

Key Features

  • Fast Facts quickly review fundamentals
  • Exam Warnings highlight particularly tough sections of the exam
  • Crunch Time sidebars point out key concepts to remember
  • Did You Know? sidebars cover sometimes forgotten details
  • Top Five Toughest Questions and answers help you to prepare

Readership

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

Table of Contents


  • Author Bios

    Chapter 1 Installing Linux

    Introduction

    A Note about Hardware

    Installing from Local Media

    Linux Installation Process

    Preparation

    Installation Settings

    Installing Across the Network

    Laying out the Filesystem

    Disk Types

    LVM

    RAID

    RAID Levels

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 2 Managing Filesystems

    Introduction

    Filesystem Types

    Local Filesystems

    Network

    Mounting and U(n)mounting Filesystems

    The mount and umount Commands

    /etc/fstab

    Partitions

    Directories

    Filesystem Management

    Quotas

    Loopback Device

    NFS

    Swap

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 3 Booting Linux

    Introduction

    GRUB

    Installing GRUB and Booting Linux

    GRUB Configuration Files and Commands

    Runlevels

    The init Command

    Runlevels

    Troubleshooting Boot Issues

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 4 Configuring the Base System

    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

    Networking

    Configuring the Interface

    TCP/IP Ports

    Managing Connectivity

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 5 Using BASH

    Introduction

    BASH Commands

    Using File Commands

    Editing Files Using vi

    Managing Processes

    Leveraging I/O Redirection

    Special Devices

    Using System Documentation

    Accessing Kernel and Architecture Information

    Basic Scripting

    Using Shell Features

    Scheduling Tasks

    cron (cron allow, cron deny)

    crontab Command Syntax

    atq

    Managing Services

    inetd and xinetd

    chkconfig

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 6 Installing Applications

    Introduction

    Installing, Removing, and Updating Programs

    RPM

    deb

    APT

    Resolving Application Dependencies

    Compiling and Installing Applications from Source

    Archive Files

    Adding and Removing Repositories

    yum Repositories

    Adding a Repository in Debian

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 7 Installing, Configuring as a Workstation

    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

    Top Five Toughest Questions

    Answers

    Chapter 8 Installing, Configuring as a Server

    Introduction

    Network Services

    DHCP

    DNS

    NTP

    Windows Interoperability

    Web Services

    Remote Access from the Command Line

    Apache (HTTP) and Tomcat

    FTP

    Squid

    Application Services

    Printing

    Mail

    Sendmail

    MySQL

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 9 Securing Linux

    Introduction

    Managing and Monitoring User and Group Accounts

    Tools

    Files

    File Permissions and Ownership

    Tools

    Special Permissions

    SELinux Basics

    Implementing Privilege Escalation

    Security Applications and Utilities

    wireshark

    snort

    Tripwire

    Checksum and File Verification Utilities

    gpg

    Implementing Remote Access

    SSH

    Authentication Methods

    PAM

    LDAP

    NIS

    RADIUS

    Two-factor Authentication

    Summary of Exam Objectives

    Top Five Toughest Questions

    Answers

    Chapter 10 Troubleshooting and Maintaining Linux

    Introduction

    Monitoring Tools

    Commands

    Load Average

    Analyzing Logs

    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

    Top Five Toughest Questions

    Answers

    Glossary

    Index








Product details

  • No. of pages: 192
  • Language: English
  • Copyright: © Syngress 2009
  • Published: November 4, 2009
  • Imprint: Syngress
  • eBook ISBN: 9781597494984

About the Authors

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

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)

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