Eleventh Hour Linux+
Exam XK0-003 Study Guide
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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
works for the Canada Deposit Insurance Corporation (CDIC) as a project manager and architect for CDIC's IT service management program.
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.
Affiliations and Expertise
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
IT Security architect and cybercrime and cyberforensics expert.