LPI Linux Certification in a Nutshell. 2nd Edition

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Autorzy:: Steven Pritchard, Bruno Gomes Pessanha, Nicolai Langfeldt

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LPI Linux Certification in a Nutshell,Second Edition is an invaluable resource for determining what you needto practice to pass the Linux Professional Institute exams. This bookwill helpyou determine when you're ready to take the exams, which aretechnically challenging and designed to reflect the skills thatadministrators needin real working environments.

As more corporations adopt Linux as the networking backbone for theirIT systems, the demand for certified technicians will becomeeven greater. Passing the LPI exams will broaden your career optionsbecause the LPICis the most widely known and respected Linux certification program intheworld. Linux Journal recognized the LPI as the bestTraining andCertification Program. The exams were developed by the LinuxProfessional Institute,an international, volunteer-driven organization with affiliates in adozen countries.

The core LPI exams cover two levels. Level 1 tests a basic knowledge ofLinux installation, configuration, and command-lineskills. Level 2 goes into much more depth regarding systemtroubleshooting andnetwork services such as email and the Web. The second edition of LPILinuxCertification in a Nutshell is a thoroughly researchedreference to these exams. The book is divided into four parts, one foreach of theLPI exams. Each part features not only a summary of the core skills youneed, but sample exercises and test questions, along with helpful hintsto letyou focus your energies.

Major topics include:

GNU and Unix commands
Linux installation and package management
Devices, filesystems, and kernel configuration
Text editing, processing, and printing
The X Window System
Networking fundamentals and troubleshooting
Security, including intrusion detection, SSH, Kerberos, andmore
DNS, DHCP, file sharing, and other networking infrastructure
Email, FTP, and Web services

Praise for the first edition:
"Although O'Reilly's Nutshell series are intended as 'DesktopReference' manuals, I have to recommend this one as a goodall-round read; not only as a primer for LPI certification, but as anexcellent introductory text on GNU/Linux. In all, this is a valuableaddition toO'Reilly's already packed stable of Linux titles and I look forward tomore from the author."--First Monday

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ISBN Ebooka:: 978-05-965-5493-4, 9780596554934
Data wydania ebooka :: 2006-07-26 Data wydania ebooka często jest dniem wprowadzenia tytułu do sprzedaży i może nie być równoznaczna z datą wydania książki papierowej. Dodatkowe informacje możesz znaleźć w darmowym fragmencie. Jeśli masz wątpliwości skontaktuj się z nami sklep@helion.pl.
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Kategorie:
Systemy operacyjne » Linux

Spis treści książki

LPI Linux Certification in a Nutshell
- SPECIAL OFFER: Upgrade this ebook with OReilly
- Preface
  - The Linux Professional Institute
  - Audience for This Book
  - Organization
    - Book Chapters
  - Conventions Used in This Book
  - Using Code Examples
  - Safari Enabled
  - How to Contact Us
  - Acknowledgments
- I. General Linux Exam 101
  - 1. LPI Exams
    - 1.1. Exam 101 Overview
  - 2. Exam 101 Study Guide
    - 2.1. Exam Preparation
  - 3. Hardware and Architecture (Topic 1.101)
    - 3.1. Objective 1: Configure Fundamental BIOS Settings
      - 3.1.1. BIOS
        
        3.1.1.1. Date and time
        
        3.1.1.2. Disks and boot devices
      - 3.1.2. Resource Assignments
      - 3.1.3. 1024-Cylinder Limit
    - 3.2. Objective 3: Configure Modems and Sound Cards
      - 3.2.1. Modems
        
        3.2.1.1. Modem types
        
        3.2.1.2. Modem hardware resources
      - 3.2.2. Sound Devices
    - 3.3. Objective 4: Set Up Non-IDE Devices
      - 3.3.1. SCSI
        
        3.3.1.1. SCSI types
      - 3.3.2. SCSI IDs
        
        3.3.2.1. SCSI logical unit numbers
        
        3.3.2.2. Linux SCSI disk device files
        
        3.3.2.3. Termination
        
        3.3.2.4. SCSI controllers on PCs
    - 3.4. Objective 5: Set Up Different PC Expansion Cards
      - 3.4.1. Plug and Play
        
        3.4.1.1. Using the /proc filesystem
    - 3.5. Objective 6: Configure Communications Devices
    - 3.6. Objective 7: Configure USB Devices
      - 3.6.1. USB Topology
      - 3.6.2. USB Controllers
      - 3.6.3. USB Devices
      - 3.6.4. USB Drivers
      - 3.6.5. USB Hotplug
  - 4. Linux Installation and Package Management (Topic 1.102)
    - 4.1. Objective 1: Design a Hard Disk Layout
      - 4.1.1. System Considerations
        
        4.1.1.1. Limited disk space
        
        4.1.1.2. Larger systems
        
        4.1.1.3. System role
        
        4.1.1.4. Backup
      - 4.1.2. Swap Space
      - 4.1.3. General Guidelines
    - 4.2. Objective 2: Install a Boot Manager
      - 4.2.1. LILO
        
        4.2.1.1. The boot loader
        
        4.2.1.2. The LILO map installer and its configuration file
        
        4.2.1.3. LILO locations
      - 4.2.2. GRUB
        
        4.2.2.1. GRUB device naming
        
        4.2.2.2. Installing GRUB
        
        4.2.2.3. Booting GRUB
        
        4.2.2.4. The GRUB configuration file
    - 4.3. Objective 3: Make and Install Programs from Source
      - 4.3.1. Getting Open Source and Free Software
        
        4.3.1.1. Whats a tarball?
        
        4.3.1.2. Opening a tarball
      - 4.3.2. Compiling Open Source Software
        
        4.3.2.1. configure
        
        4.3.2.2. make
        
        4.3.2.3. Installing the compiled software
        
        4.3.2.4. Example:Compiling bash
    - 4.4. Objective 4: Manage Shared Libraries
      - 4.4.1. Shared Library Dependencies
      - 4.4.2. Linking Shared Libraries
    - 4.5. Objective 5: Use Debian Package Management
      - 4.5.1. Debian Package Management Overview
      - 4.5.2. Managing Debian Packages
    - 4.6. Objective 6: Use Red Hat Package Manager (RPM)
      - 4.6.1. RPM Overview
      - 4.6.2. Running rpm
  - 5. GNU and Unix Commands (Topic 1.103)
    - 5.1. Objective 1: Work on the Command Line
      - 5.1.1. The Interactive Shell
        
        5.1.1.1. Shell variable basics
        
        5.1.1.2. Entering commands at the command prompt
        
        5.1.1.3. Entering commands not in the PATH
        
        5.1.1.4. Entering multiple-line commands interactively
        
        5.1.1.5. Entering command sequences
      - 5.1.2. Command History and Editing
        
        5.1.2.1. Command substitution
        
        5.1.2.2. Applying commands recursively through a directory tree
    - 5.2. Objective 2: Process Text Streams Using Filters
    - 5.4. Objective 3: Perform Basic File Management
      - 5.4.1. Filesystem Objects
        
        5.4.1.1. Directories and files
        
        5.4.1.2. Inodes
        
        5.4.1.3. File and directory management commands
      - 5.4.2. File-Naming Wildcards
    - 5.5. Objective 4: Use Streams, Pipes, and Redirects
      - 5.5.1. Standard I/O and Default File Descriptors
      - 5.5.2. Pipes
      - 5.5.3. Redirection
      - 5.5.4. Using the tee Command
    - 5.6. Objective 5: Create, Monitor, and Kill Processes
      - 5.6.1. Processes
      - 5.6.2. Process Monitoring
      - 5.6.3. Signaling Active Processes
      - 5.6.4. Terminating Processes
      - 5.6.5. Shell Job Control
    - 5.7. Objective 6: Modify Process Execution Priorities
      - 5.7.1. nice
    - 5.8. Objective 7: Search Text Files Using Regular Expressions
      - 5.8.1. Regular Expression Syntax
        
        5.8.1.1. Examples
      - 5.8.2. Using sed
        
        5.8.2.1. Commands
      - 5.8.3. Examples
        
        5.8.3.1. Anchors
        
        5.8.3.2. Groups and ranges
        
        5.8.3.3. Modifiers
        
        5.8.3.4. Basic regular expression patterns
        
        5.8.3.5. Using regular expressions as addresses in sed
    - 5.9. Objective 8: Perform Basic File Editing Operations Using vi
      - 5.9.1. Invoking vi
      - 5.9.2. vi Basics
  - 6. Devices, Linux Filesystems, and the Filesystem Hierarchy Standard (Topic 1.104)
    - 6.1. Objective 1: Create Partitions and Filesystems
      - 6.1.1. Disk Drives Under Linux
        
        6.1.1.1. Hard disk devices
        
        6.1.1.2. Disk partitions
        
        6.1.1.3. The root filesystem and mount points
        
        6.1.1.4. Managing partitions
        
        6.1.1.5. Creating filesystems
        
        6.1.1.6. Creating swap partitions
    - 6.2. Objective 2: Maintain the Integrity of Filesystems
      - 6.2.1. Monitoring Free Disk Space and Inodes
      - 6.2.2. Monitoring Disk Usage
      - 6.2.3. Modifying a Filesystem
      - 6.2.4. Checking and Repairing Filesystems
    - 6.3. Objective 3: Control Filesystem Mounting and Unmounting
      - 6.3.1. Managing the Filesystem Table
      - 6.3.2. Mounting Filesystems
      - 6.3.3. Unmounting Filesystems
    - 6.4. Objective 4: Set and View Disk Quotas
      - 6.4.1. Quota Limits
      - 6.4.2. Quota Commands
      - 6.4.3. Enabling Quotas
    - 6.5. Objective 5: Use File Permissions to Control Access to Files
      - 6.5.1. Linux Access Control
        
        6.5.1.1. The mode bits
        
        6.5.1.2. The mode string
      - 6.5.2. Setting Access Modes
        
        6.5.2.1. New files
        
        6.5.2.2. Changing access modes
    - 6.6. Setting Up a Workgroup Directory
    - 6.7. Objective 6: Manage File Ownership
    - 6.8. Objective 7: Create and Change Hard and Symbolic Links
      - 6.8.1. Why Links?
        
        6.8.1.1. Preserving links
        
        6.8.1.2. Finding links to a file
    - 6.9. Objective 8: Find System Files and Place Files in the Correct Location
      - 6.9.1. Data Types
      - 6.9.2. The root Filesystem
        
        6.9.2.1. The /usr filesystem
        
        6.9.2.2. The /var filesystem
        
        6.9.2.3. Linux annex
        
        6.9.2.4. Where's that binary?
      - 6.9.3. Locating Files
  - 7. The X Window System (Topic 1.1.10)
    - 7.1. An Overview of X
    - 7.2. Objective 1: Install and Configure X11
      - 7.2.1. Selecting and Configuring an X Server
        
        7.2.1.1. Supported video hardware
        
        7.2.1.2. Installing XFree86
        
        7.2.1.3. Configuring an X server and the XF86Config file
      - 7.2.2. X Fonts
        
        7.2.2.1. Installing fonts
        
        7.2.2.2. The X font server
      - 7.2.3. Controlling X Applications with .Xresources
    - 7.3. Objective 2: Set Up a Display Manager
      - 7.3.1. Configuring xdm
        
        7.3.1.1. Running xdm manually
        
        7.3.1.2. Running xdm automatically
        
        7.3.1.3. Basic xdm customization
      - 7.3.2. X Terminals
        
        7.3.2.1. xdm for X terminals
    - 7.4. Objective 4: Install and Customize a Window Manager Environment
      - 7.4.1. Starting X and a Default Window Manager
        
        7.4.1.1. The XFree86 start up process
      - 7.4.2. xterm et al.
      - 7.4.3. X Libraries
      - 7.4.4. Remote X Clients
        
        7.4.4.1. Examples
      - 7.4.5. X Security
        
        7.4.5.1. Host access control
        
        7.4.5.2. MIT-MAGIC-COOKIE-1 Authentication
  - 8. Exam 101 Review Questions and Exercises
    - 8.1. Hardware and Architecture (Topic 1.101)
      - 8.1.1. Review questions
      - 8.1.2. Exercises
    - 8.2. Linux Installation and Package Management (Topic 1.102)
      - 8.2.1. Review Questions
      - 8.2.2. Exercises
    - 8.3. GNU and Unix Commands (Topic 1.103)
      - 8.3.1. Review Questions
      - 8.3.2. Exercises
    - 8.4. Devices, Linux Filesystems, and the Filesystem Hierarchy Standard (Topic 1.104)
      - 8.4.1. Review Questions
      - 8.4.2. Exercises
    - 8.5. The X Window System (Topic 1.110)
      - 8.5.1. Review Questions
      - 8.5.2. Exercises
  - 9. Exam 101 Practice Test
    - 9.1. Questions
    - 9.2. Answers
  - 10. Exam 101 Highlighter's Index
    - 10.1. Hardware and Architecture
      - 10.1.1. Objective 1: Configure Fundamental BIOS Settings
        
        10.1.1.1. PC BIOS
        
        10.1.1.2. Resource assignments
        
        10.1.1.3. 1024-cylinder limit
      - 10.1.2. Objective 3: Configure Modems and Sound Cards
        
        10.1.2.1. Modems
        
        10.1.2.2. Sound devices
      - 10.1.3. Objective 4: Set Up Non-IDE Devices
        
        10.1.3.1. SCSI
      - 10.1.4. Objective 5: Set Up PC Different Expansion Cards
        
        10.1.4.1. /proc
        
        10.1.4.2. Commands
      - 10.1.5. Objective 6: Configure Communication Devices
        
        10.1.5.1. Concepts
        
        10.1.5.2. Commands
      - 10.1.6. Objective 7: Configure USB Devices
        
        10.1.6.1. Host Controllers
        
        10.1.6.2. Devices
        
        10.1.6.3. Drivers
        
        10.1.6.4. Commands
    - 10.2. Linux Installation and Package Management
      - 10.2.1. Objective 1: Design a Hard Disk Layout
        
        10.2.1.1. Guidelines
      - 10.2.2. Objective 2: Install a Boot Manager
        
        10.2.2.1. LILO
        
        10.2.2.2. GRUB
      - 10.2.3. Objective 3: Make and Install Programs from Source
        
        10.2.3.1. Source Files
        
        10.2.3.2. make
      - 10.2.4. Objective 4: Manage Shared Libraries
        
        10.2.4.1. Concepts
        
        10.2.4.2. Commands
      - 10.2.5. Objective 5: Use Debian Package Management
        
        10.2.5.1. Commands
      - 10.2.6. Objective 6: Use Red Hat Package Manager (RPM)
        
        10.2.6.1. Concepts
    - 10.3. GNU and Unix Commands
      - 10.3.1. Objective 1: Work Effectively on the Command Line
        
        10.3.1.1. The interactive shell and shell variables
        
        10.3.1.2. Entering commands
        
        10.3.1.3. Command history, editing, and substitution
        
        10.3.1.4. Recursive execution
      - 10.3.2. Objective 2: Process Text Streams Using Filters
        
        10.3.2.1. The Commands
        
        10.3.2.2. The stream editor, sed
      - 10.3.3. Objective 3: Perform Basic File Management
        
        10.3.3.1. Concepts
        
        10.3.3.2. File and directory management commands
        
        10.3.3.3. File-naming wildcards
      - 10.3.4. Objective 4: Use Unix Streams, Pipes, and Redirects
        
        10.3.4.1. Concepts
        
        10.3.4.2. Standard I/O
        
        10.3.4.3. Pipes and redirection
      - 10.3.5. Objective 5: Create, Monitor, and Kill Processes
        
        10.3.5.1. Concepts
        
        10.3.5.2. Monitoring commands
        
        10.3.5.3. Signaling processes
        
        10.3.5.4. Shell job control
      - 10.3.6. Objective 6: Modify Process Execution Priorities
        
        10.3.6.1. Concepts
        
        10.3.6.2. Commands
      - 10.3.7. Objective 7: Search Text Files Using Regular Expressions
        
        10.3.7.1. Concepts
        
        10.3.7.2. Position anchors
        
        10.3.7.3. Character sets
        
        10.3.7.4. Modifiers
      - 10.3.8. Objective 8: Using vi
        
        10.3.8.1. Subcommands
    - 10.4. Devices, Linux Filesystems, and the Filesystem Hierarchy Standard
      - 10.4.1. Objective 1: Create Partitions and Filesystems
        
        10.4.1.1. Disk drives and partitions
        
        10.4.1.2. The root filesystem and mount points
        
        10.4.1.3. Partition and filesystem management commands
      - 10.4.2. Objective 2: Maintain the Integrity of Filesystems
        
        10.4.2.1. Filesystem Commands
      - 10.4.3. Objective 3: Control Filesystem Mounting and Unmounting
        
        10.4.3.1. Managing the filesystem table
        
        10.4.3.2. Mounting and unmounting
        
        10.4.3.3. Filesystem types
      - 10.4.4. Objective 4: Managing Disk Quota
        
        10.4.4.1. Quota Types
        
        10.4.4.2. Commands
      - 10.4.5. Objective 5: Use File Permissions to Control Access to Files
        
        10.4.5.1. Access control
        
        10.4.5.2. Setting access modes
      - 10.4.6. Objective 6: Manage File Ownership
        
        10.4.6.1. Concepts
        
        10.4.6.2. Commands
      - 10.4.7. Objective 7: Create and Change Hard and Symbolic Links
        
        10.4.7.1. Concepts
        
        10.4.7.2. ln
      - 10.4.8. Objective 8: Find System Files and Place Files in the Correct Location
        
        10.4.8.1. File Hierarchy Standard (FHS)
        
        10.4.8.2. The directory hierarchy
        
        10.4.8.3. Locating files
    - 10.5. The X Window System
      - 10.5.1. Objective 1: Install and Configure X11
        
        10.5.1.1. Selecting and configuring an X server
        
        10.5.1.2. X fonts
        
        10.5.1.3. .Xresources
      - 10.5.2. Objective 2: Setup A Display Manager
        
        10.5.2.1. xdm
        
        10.5.2.2. X terminals
      - 10.5.3. Objective 4: Install and Customize a Window Manager Environment
        
        10.5.3.1. Concepts
        
        10.5.3.2. Window managers
        
        10.5.3.3. xterm
        
        10.5.3.4. X libraries
        
        10.5.3.5. Remote X clients
- II. General Linux Exam 102
  - 11. Exam 102 Overview
  - 12. Exam 102 Study Guide
    - 12.1. Exam Preparation
  - 13. Kernel (Topic 1.105)
    - 13.1. Objective 1: Manage/Query Kernel and Kernel Modules at Runtime
      - 13.1.1. Module Files
      - 13.1.2. Manipulating Modules
      - 13.1.3. Configuring Modules
      - 13.1.4. Module Dependency File
    - 13.2. Objective 2: Reconfigure, Build, and Install a Custom Kernel and Kernel Modules
      - 13.2.1. Kernel Background
        
        13.2.1.1. Kernel versions
        
        13.2.1.2. Required tools and software
      - 13.2.2. Compiling a Custom Kernel
        
        13.2.2.1. Creating a kernel configuration
        
        13.2.2.2. Compiling the kernel
        
        13.2.2.3. Installing the new kernel and configuring LILO
        
        13.2.2.4. Examine the new modules
  - 14. Boot, Initialization, Shutdown, and Runlevels (Topic 1.106)
    - 14.1. Objective 1: Boot the System
      - 14.1.1. Boot-time Kernel Parameters
      - 14.1.2. Introduction to Kernel Module Configuration
        
        14.1.2.1. Kernel boot-time messages
        
        14.1.2.2. Reviewing system logs
    - 14.2. Objective 2: Change Runlevels and Shut Down or Reboot System
      - 14.2.1. Single-User Mode
        
        14.2.1.1. Overview of the /etc directory tree and the init process
        
        14.2.1.2. Setting the default runlevel
        
        14.2.1.3. Determining your system's runlevel
      - 14.2.2. Changing Runlevels with init and telinit
      - 14.2.3. System Shutdown with shutdown
  - 15. Printing (Topic 1.107)
    - 15.1. An Overview of Printing
    - 15.2. Objective 2: Manage Printers and Print Queues
      - 15.2.1. Linux Printing Overview
      - 15.2.2. Managing Print Queues
        
        15.2.2.1. Managing print queues with lpc
    - 15.3. Objective 3: Print Files
    - 15.4. Objective 4: Install and Configure Local and Remote Printers
      - 15.4.1. /etc/printcap
      - 15.4.2. Filters
        
        15.4.2.1. APSfilter
        
        15.4.2.2. magicfilter
        
        15.4.2.3. Multiple filters
      - 15.4.3. Remote lpd and Samba Printers
  - 16. Documentation (Topic 1.108)
    - 16.1. Objective 1: Use and Manage Local System Documentation
      - 16.1.1. Text Files and Paging
        
        16.1.1.1. Paging programs
      - 16.1.2. Manpages
        
        16.1.2.1. Manual sections
        
        16.1.2.2. Manpage format
        
        16.1.2.3. man mechanics
      - 16.1.3. Information in /usr/share/doc
      - 16.1.4. Info Pages
    - 16.2. Objective 2: Find Linux Documentation on the Internet
      - 16.2.1. The Linux Documentation Project
      - 16.2.2. Usenet Newsgroups
        
        16.2.2.1. Newsgroup archives
        
        16.2.2.2. Contributing to Usenet
      - 16.2.3. Mailing Lists
      - 16.2.4. Vendor Web Sites and Other Resources
    - 16.3. Objective 5: Notify Users on System-related Issues
      - 16.3.1. /etc/issue
        
        16.3.1.1. Example
      - 16.3.2. /etc/motd
  - 17. Shells, Scripting, Programming, and Compiling (Topic 1.109)
    - 17.1. Objective 1: Customize and Use the Shell Environment
      - 17.1.1. An Overview of Shells
      - 17.1.2. The Bash Shell
        
        17.1.2.1. Shell and environment variables
        
        17.1.2.2. Aliases
        
        17.1.2.3. Functions
        
        17.1.2.4. Configuration files
        
        17.1.2.5. .inputrc
    - 17.2. Objective 2: Customize or Write Simple Scripts
      - 17.2.1. Script Files
        
        17.2.1.1. Creating a simple bash script
        
        17.2.1.2. Executable files
        
        17.2.1.3. She-bang!
        
        17.2.1.4. The shell script's environment
        
        17.2.1.5. Location, ownership, and permissions
        
        17.2.1.6. SUID and GUID rights
      - 17.2.2. Basic Bash Scripts
        
        17.2.2.1. Return values
        
        17.2.2.2. File tests
        
        17.2.2.3. Command substitution
        
        17.2.2.4. Mailing from scripts
        
        17.2.2.5. Abbreviated Bash command reference
  - 18. Administrative Tasks (Topic 1.111)
    - 18.1. Objective 1: Manage Users and Group Accounts and Related System Files
      - 18.1.1. User Accounts and the Password File
      - 18.1.2. Groups and the Group File
      - 18.1.3. The Shadow Password and Shadow Group Systems
        
        18.1.3.1. Group passwords and shadow groups
      - 18.1.4. User and Group Management Commands
        
        18.1.4.1. Additional shadow password management commands
    - 18.2. Objective 2: Tune the User Environment and System Environment Variables
      - 18.2.1. Systemwide Startup Scripts
      - 18.2.2. Setting the Home Directory for New Accounts
    - 18.3. Objective 3: Configure and Use System Log Files to Meet Administrative and Security Needs
      - 18.3.1. Configuring syslogd
      - 18.3.2. Log File Rotation
      - 18.3.3. Examining Log Files
    - 18.4. Objective 4: Automate System Administration Tasks by Scheduling Jobs to Run in the Future
      - 18.4.1. Using cron
        
        18.4.1.1. User crontab files
        
        18.4.1.2. System crontab files
      - 18.4.2. Using at
      - 18.4.3. Controlling User Access to cron and at
    - 18.5. Objective 5: Maintain an Effective Data Backup Strategy
      - 18.5.1. Backup Concepts and Strategies
        
        18.5.1.1. Backup types
        
        18.5.1.2. Backup verification
      - 18.5.2. Device Files
      - 18.5.3. Using tar and mt
      - 18.5.4. Backup Operations
        
        18.5.4.1. What should I back up?
        
        18.5.4.2. An example backup script
        
        18.5.4.3. Verifying tar archives
        
        18.5.4.4. File restoration
    - 18.6. Objective 6: Maintain System Time
      - 18.6.1. NTP Concepts
      - 18.6.2. The NTP Software Package Components
  - 19. Networking Fundamentals (Topic 1.112)
    - 19.1. Objective 1: Fundamentals of TCP/IP
      - 19.1.1. Addressing and Masks
      - 19.1.2. Protocols
      - 19.1.3. TCP/IP Services
      - 19.1.4. TCP/IP Utilities
    - 19.2. Objective 3: TCP/IP Configuration and Troubleshooting
      - 19.2.1. Network Interfaces
        
        19.2.1.1. Configuration files
        
        19.2.1.2. Configuration commands
        
        19.2.1.3. Common manual network interface tasks
      - 19.2.2. DHCP
        
        19.2.2.1. Subnets and relays
        
        19.2.2.2. Leases
        
        19.2.2.3. dhcpd
    - 19.3. Objective 4: Configure Linux as a PPP Client
      - 19.3.1. Clients and Servers
        
        19.3.1.1. Serial ports and modems
        
        19.3.1.2. PPP overview
        
        19.3.1.3. Chat scripts
        
        19.3.1.4. The PPP daemon
        
        19.3.1.5. Manual PPP connection
        
        19.3.1.6. Authentication protocols
        
        19.3.1.7. PPP over ISDN
        
        19.3.1.8. Too many variables
  - 20. Networking Services (Topic 1.113)
    - 20.1. Objective 1: Configure and Manage inetd, xinetd, and Related Services
      - 20.1.1. The inetd Configuration File
      - 20.1.2. TCP Wrappers with inetd
      - 20.1.3. Starting and Stopping inetd Services
      - 20.1.4. xinetd Configuration
        
        20.1.4.1. Frequently used xinetd.conf options
        
        20.1.4.2. Modular configuration
    - 20.2. Objective 2: Operate and Perform Basic Configuration of Mail Transfer Agent (MTA)
      - 20.2.1. Configuring sendmail
        
        20.2.1.1. The smart host parameter
      - 20.2.2. Mail Aliases
        
        20.2.2.1. Forwarding mail from your account to another account
      - 20.2.3. Queued Mail
      - 20.2.4. Starting and Stopping sendmail
    - 20.3. Objective 3: Operate and Perform Basic Configuration of Apache
      - 20.3.1. Configuring Apache
      - 20.3.2. Starting and Stopping Apache
    - 20.4. Objective 4: Properly Manage the NFS and Samba Daemons
      - 20.4.1. NFS
        
        20.4.1.1. Exporting (sharing) local filesystems using NFS
        
        20.4.1.2. Mounting remote NFS filesystems
        
        20.4.1.3. Starting and stopping NFS
      - 20.4.2. Samba and the SMB and NMB Daemons
        
        20.4.2.1. Getting started
        
        20.4.2.2. WINS and browsing
        
        20.4.2.3. Using SWAT
    - 20.5. Objective 5: Set Up and Configure Basic DNS Services
      - 20.5.1. The Resolver
        
        20.5.1.1. Domain registration
        
        20.5.1.2. Using named as a local caching-only name server
        
        20.5.1.3. DNS query utilities
        
        20.5.1.4. BIND Version 4 versus Version 8 configuration files
    - 20.6. Objective 7: Set Up Secure Shell (OpenSSH)
  - 21. Security (Topic 1.114)
    - 21.1. Objective 1: Perform Security Administration Tasks
      - 21.1.1. TCP Wrappers
        
        21.1.1.1. On the attack
        
        21.1.1.2. Configuring inetd and tcpd
        
        21.1.1.3. tcpd access control
        
        21.1.1.4. tcpd logging
      - 21.1.2. Finding Executable SUID Files
      - 21.1.3. Verifying Packages
        
        21.1.3.1. Checking installed packages
        
        21.1.3.2. Checking packages prior to installation
      - 21.1.4. SGID Workgroups
      - 21.1.5. Password Management
    - 21.2. Objective 2: Set Up Host Security
      - 21.2.1. Shadow Passwords
      - 21.2.2. inetd Minimalism
      - 21.2.3. Logging and Superuser Mail
      - 21.2.4. Watching for Security Announcements
    - 21.3. Objective 3: Set Up User-level Security
  - 22. Exam 102 Review Questions and Exercises
    - 22.1. Kernel (Topic 1.105)
      - 22.1.1. Review Questions
      - 22.1.2. Exercises
    - 22.2. Boot, Initialization, Shutdown, and Runlevels (Topic 1.106)
      - 22.2.1. Review Questions
      - 22.2.2. Exercises
        
        22.2.2.1. Exercise 1.106-1. Boot
        
        22.2.2.2. Exercise 1.106-2. Runlevels
    - 22.3. Printing (Topic 1.107)
      - 22.3.1. Review Questions
      - 22.3.2. Exercises
    - 22.4. Documentation (Topic 1.108)
      - 22.4.1. Review Questions
      - 22.4.2. Exercises
        
        22.4.2.1. Exercise 1.108-1. man and /usr/doc
        
        22.4.2.2. Exercise 1.108-4. Acting as a Linux helpdesk
    - 22.5. Shells, Scripting, Programming, and Compiling (Topic 1.109)
      - 22.5.1. Review Questions
      - 22.5.2. Exercises
    - 22.6. Administrative Tasks (Topic 1.111)
      - 22.6.1. Review questions
      - 22.6.2. Exercises
        
        22.6.2.1. Exercise 1.111-1. User accounts
        
        22.6.2.2. Exercise 1.111-2. User environment and variables
        
        22.6.2.3. Exercise 1.111-3. Syslog and log files
        
        22.6.2.4. Exercise 1.111-4. cron and at
        
        22.6.2.5. Exercise 1.111-5. Backup
    - 22.7. Networking Fundamentals (Topic 1.112)
      - 22.7.1. Review Questions
      - 22.7.2. Exercises
    - 22.8. Networking Services (Topic 1.113)
      - 22.8.1. Review Questions
      - 22.8.2. Exercises
    - 22.9. Security (Topic 1.114)
      - 22.9.1. Review Questions
      - 22.9.2. Exercises
  - 23. Exam 102 Practice Test
    - 23.1. Questions
    - 23.2. Answers
  - 24. Exam 102 Highlighter's Index
    - 24.1. Kernel (Topic 1.105)
      - 24.1.1. Objective 1: Manage/Query Kernel and Kernel Modules at Runtime
      - 24.1.2. Objective 2: Reconfigure, Build, and Install a Custom Kernel and Kernel Modules
    - 24.2. Boot, Initialization, Shutdown, and Runlevels (Topic 1.106)
      - 24.2.1. Objective 1: Boot the System
        
        24.2.1.1. LILO, the Linux loader
        
        24.2.1.2. Kernel parameters and module configuration
        
        24.2.1.3. Boot-time messages
      - 24.2.2. Objective 2: Change Runlevels and Shut Down or Reboot System
        
        24.2.2.1. Single-user mode
        
        24.2.2.2. The /etc/rc.d directory
        
        24.2.2.3. Default runlevel, determining runlevel, changing runlevels
    - 24.3. Printing (Topic 1.107)
      - 24.3.1. Objective 2: Manage Printers and Print Queues
      - 24.3.2. Objective 3: Print Files
      - 24.3.3. Objective 4: Install and Configure Local and Remote Printers
        
        24.3.3.1. /etc/printcap
        
        24.3.3.2. Filters
        
        24.3.3.3. Remote queues and Samba printers
    - 24.4. Documentation (Topic 1.108)
      - 24.4.1. Objective 1: Use and Manage Local System Documentation
        
        24.4.1.1. Text and paging
        
        24.4.1.2. The man facility
        
        24.4.1.3. /usr/doc
        
        24.4.1.4. The info facility
      - 24.4.2. Objective 2: Find Linux Documentation on the Internet
        
        24.4.2.1. Linux Documentation Project
        
        24.4.2.2. Other sources
      - 24.4.3. Objective 5: Notify Users on System-related Issues
        
        24.4.3.1. /etc/issue
        
        24.4.3.2. /etc/issue.net
        
        24.4.3.3. /etc/motd
    - 24.5. Shells, Scripting, Programming, and Compiling
      - 24.5.1. Objective 1: Customize and Use the Shell Environment
        
        24.5.1.1. bash
      - 24.5.2. Objective 2: Customize or Write Simple Scripts
        
        24.5.2.1. Environment
    - 24.6. Administrative Tasks (Topic 1.111)
      - 24.6.1. Objective 1: Manage Users and Group Accounts and Related System Files
        
        24.6.1.1. passwd and group
        
        24.6.1.2. Shadow files
        
        24.6.1.3. User and group management commands
      - 24.6.2. Objective 2: Tune the User Environment and System Environment Variables
        
        24.6.2.1. Configuration scripts
        
        24.6.2.2. New account home directories
      - 24.6.3. Objective 3: Configure and Use System Log Files to Meet Administrative and Security Needs
        
        24.6.3.1. Syslog
        
        24.6.3.2. Log file rotation
        
        24.6.3.3. Examining log files
      - 24.6.4. Objective 4: Automate System Administration Tasks by Scheduling Jobs to Run in the Future
        
        24.6.4.1. Using cron
        
        24.6.4.2. Using at
        
        24.6.4.3. User access
      - 24.6.5. Objective 5: Maintain an Effective Data Backup Strategy
      - 24.6.6. Objective 6: Maintain System Time
    - 24.7. Networking Fundamentals (Topic 1.112)
      - 24.7.1. Objective 1: Fundamentals of TCP/IP
        
        24.7.1.1. Addressing and masks
        
        24.7.1.2. Protocols
        
        24.7.1.3. TCP/IP services
        
        24.7.1.4. TCP/IP utilities
      - 24.7.2. Objective 3: TCP/IP Configuration and Troubleshooting
        
        24.7.2.1. Network interfaces
        
        24.7.2.2. DHCP
      - 24.7.3. Objective 4: Configure Linux as a PPP Client
    - 24.8. Networking Services (Topic 1.113)
      - 24.8.1. Objective 1: Configure and Manage inetd, xinetd, and Related Services
      - 24.8.2. Objective 2: Operate and Perform Basic Configuration of Mail Transfer Agent (MTA)
      - 24.8.3. Objective 3: Operate and Perform Basic Configuration of Apache
      - 24.8.4. Objective 4: Properly Manage the NFS and Samba Daemons
        
        24.8.4.1. NFS
        
        24.8.4.2. Samba
      - 24.8.5. Objective 5: Set Up and Configure Basic DNS Services
        
        24.8.5.1. The resolver
        
        24.8.5.2. Domain registration
      - 24.8.6. Objective 7: Set Up Secure Shell (OpenSSH)
    - 24.9. Security (Topic 1.114)
      - 24.9.1. Objective 1: Perform Security Administration Tasks
        
        24.9.1.1. TCP wrappers
        
        24.9.1.2. Finding executable SUID files
        
        24.9.1.3. Verifying packages
        
        24.9.1.4. SGID workgroups
        
        24.9.1.5. The Secure Shell
      - 24.9.2. Objective 2: Set Up Host Security
        
        24.9.2.1. Shadow passwords
      - 24.9.3. Objective 3: Set Up User-level Security
- III. General Linux Exam 201
  - 25. Linux Kernel
    - 25.1. Objective 1: Kernel Components
      - 25.1.1. Kernel Image Formats
      - 25.1.2. Different Kernel Trees
        
        25.1.2.1. Choosing an appropriate kernel
        
        25.1.2.2. Hardware support
        
        25.1.2.3. Patches
        
        25.1.2.4. Kernel modules
    - 25.2. Objective 2: Compiling a Kernel
      - 25.2.1. Kernel Configuration Tools
        
        25.2.1.1. make config
        
        25.2.1.2. make menuconfig
        
        25.2.1.3. make xconfig
      - 25.2.2. Compiling and Installing a Custom Kernel
      - 25.2.3. Using initrd
        
        25.2.3.1. mkinitrd on Red Hat/Fedora
        
        25.2.3.2. mkinitrd in Debian
      - 25.2.4. Updating Your Kernel
    - 25.3. Objective 3: Patching a Kernel
      - 25.3.1. Applying the Patch
      - 25.3.2. Removing a Patch
    - 25.4. Objective 4: Customizing a Kernel
  - 26. System Startup
    - 26.1. Objective 1: Customizing System Startup and Boot Processes
      - 26.1.1. /etc/inittab
      - 26.1.2. System Initialization Scripts
        
        26.1.2.1. System initialization
        
        26.1.2.2. Runlevel directories
      - 26.1.3. Customizing Runlevels
        
        26.1.3.1. Customizing runlevels on Red Hat
      - 26.1.4. Customizing initrd Images
        
        26.1.4.1. initrd and /linuxrc on Debian
        
        26.1.4.2. initrd and /linuxrc on Red Hat
    - 26.2. Objective 2: System Recovery
      - 26.2.1. Filesystem Damage
      - 26.2.2. init or the System Initialization Fails
        
        26.2.2.1. Bypassing init
        
        26.2.2.2. Working in the shell environment
      - 26.2.3. Booting from a Rescue CD
        
        26.2.3.1. Restoring the bootstrap
        
        26.2.3.2. Exploring the damaged system
        
        26.2.3.3. Loss of key files
  - 27. Filesystem
    - 27.1. Objective 1: Operating the Linux Filesystem
      - 27.1.1. Level 1 Review
      - 27.1.2. Additional Filesystem Management Files
      - 27.1.3. Managing Swap
      - 27.1.4. Linux Partitioning Scheme
    - 27.2. Objective 2: Maintaining a Linux Filesystem
      - 27.2.1. tune2fs
      - 27.2.2. dumpe2fs
      - 27.2.3. debugfs
      - 27.2.4. badblocks and e2fsck
      - 27.2.5. fsck
      - 27.2.6. mke2fs
      - 27.2.7. Filesystem Resizing
      - 27.2.8. fsck
      - 27.2.9. Self-Monitoring, Analysis, and Reporting Technology System (SMART)
    - 27.3. Objective 3: Creating and Configuring Filesystem Options
      - 27.3.1. Automounting Filesystems
      - 27.3.2. Other Filesystems
        
        27.3.2.1. Using ext3
        
        27.3.2.2. vfat filesystems
      - 27.3.3. ISO9660 Filesystems
        
        27.3.3.1. Creating ISO9660 images
        
        27.3.3.2. Burning CD-ROMs
        
        27.3.3.2.1. Burning with IDE CD burners
        
        27.3.3.2.2. Using cdrecord
        
        27.3.3.2.3. CD miscellany
      - 27.3.4. dd
  - 28. Hardware (Topic 2.204)
    - 28.1. Objective 1: Configuring RAID
      - 28.1.1. The mkraid Tools
      - 28.1.2. How to Create RAID 1 (Mirroring)
    - 28.2. Objective 2: Adding New Hardware
      - 28.2.1. Reporting Your Hardware
    - 28.3. Objective 3: Software and Kernel Configuration
      - 28.3.1. hdparm
      - 28.3.2. tune2fs
      - 28.3.3. Supporting IDE CD Burners
      - 28.3.4. Logical Volume Manager (LVM)
        
        28.3.4.1. Initializing a disk or partition
        
        28.3.4.2. Creating a volume group
        
        28.3.4.3. Making a logical volume
        
        28.3.4.4. Displaying physical volume properties
        
        28.3.4.5. Displaying volume group properties
        
        28.3.4.6. Displaying logical volume properties
        
        28.3.4.7. Listing disks and volume groups
        
        28.3.4.8. Adding disks to a volume group
        
        28.3.4.9. Removing a disk from a volume group
        
        28.3.4.10. Expanding a logical volume
        
        28.3.4.11. Shrinking a logical volume
        
        28.3.4.12. Removing a logical volume
        
        28.3.4.13. Removing a volume group
        
        28.3.4.14. Removing a physical volume
        
        28.3.4.15. Starting and stopping LVM
        
        28.3.4.16. LVM snapshots
      - 28.3.5. Runtime Kernel Configuration
    - 28.4. Objective 4: Configuring PCMCIA Devices
      - 28.4.1. PCMCIA configuration files
        
        28.4.1.1. /etc/pcmcia/config
        
        28.4.1.2. /etc/pcmcia/config.opts
        
        28.4.1.3. /etc/pcmcia/network.opts
        
        28.4.1.4. /etc/pcmcia/*.opts
      - 28.4.2. PCMCIA commands
      - 28.4.3. PCMCIA Troubleshooting
        
        28.4.3.1. Steps for troubleshooting PCMCIA devices
        
        28.4.3.2. Boot problems
        
        28.4.3.3. Common PCMCIA errors
        
        28.4.3.4. Kernel upgrades
  - 29. File and Service Sharing (Topic 2.209)
    - 29.1. Objective 1: Configuring a Samba Server
      - 29.1.1. Basic Configuration File
      - 29.1.2. Windows Passwords
      - 29.1.3. Acting as a PDC
      - 29.1.4. Login Settings
      - 29.1.5. Shares
      - 29.1.6. Startup
      - 29.1.7. Troubleshooting
    - 29.2. Objective 2: Configuring an NFS Server
      - 29.2.1. The NFS Server
      - 29.2.2. Configuring NFS Server Exports
      - 29.2.3. NFS Server Security
      - 29.2.4. The NFS Client
      - 29.2.5. NFS Tools
  - 30. System Maintenance (Topic 2.211)
    - 30.1. Objective 1: System Logging
      - 30.1.1. Setting Up a syslog Server
      - 30.1.2. Setting Up syslog Clients
      - 30.1.3. Using the Central Logs
    - 30.2. Objective 2: Packaging Software
      - 30.2.1. Building RPM Packages
      - 30.2.2. Modifying RPM Packages
      - 30.2.3. Building Deb Packages
        
        30.2.3.1. Signing the package
        
        30.2.3.2. Building the package
      - 30.2.4. Modifying Deb Packages
        
        30.2.4.1. control
        
        30.2.4.2. rules
    - 30.3. Objective 3: Backup Operations
  - 31. System Customization and Automation (Topic 2.213)
    - 31.1. Objective 1: Automating Tasks Using Scripts
      - 31.1.1. Scripting with Bash and Friends
        
        31.1.1.1. Variables
        
        31.1.1.2. Checking process status and sending alerts
        
        31.1.1.3. Monitoring users and using awk
        
        31.1.1.4. Detecting changes
        
        31.1.1.5. Log munging with sed
      - 31.1.2. Scripting with Perl
        
        31.1.2.1. Using CPAN
        
        31.1.2.2. Log watching with Perl
        
        31.1.2.3. Fetching and processing web logs
        
        31.1.2.4. Using Perl to add new disks attached to an HBA controller
        
        31.1.2.5. Perl in adverse environments
      - 31.1.3. Synchronizing Files Across Machines
      - 31.1.4. Scheduled execution
        
        31.1.4.1. cron
        
        31.1.4.2. Using at
  - 32. Troubleshooting (Topic 2.214)
    - 32.1. Objective 1: Creating Recovery Disks
    - 32.2. Objective 2: Identifying Boot Stages
    - 32.3. Objective 3: Troubleshooting Boot Loaders
    - 32.4. Objective 4: General Troubleshooting
    - 32.5. Objective 5: Troubleshooting System Resources
      - 32.5.1. Environment Variables and Shells
      - 32.5.2. Shell Environment
      - 32.5.3. Editors
      - 32.5.4. Kernel Parameters
    - 32.6. Objective 6: Troubleshooting Environment Configurations
      - 32.6.1. Authorization Problems
      - 32.6.2. crontab Problems
      - 32.6.3. Init Problems
      - 32.6.4. Logging Problems
  - 33. LPI Exam 201 Review Questions and Exercises
    - 33.1. Linux Kernel (Topic 2.201)
      - 33.1.1. Review Questions
      - 33.1.2. Answers
      - 33.1.3. Exercise
    - 33.2. System Startup (Topic 2.202)
      - 33.2.1. Review Questions
      - 33.2.2. Answers
      - 33.2.3. Exercises
    - 33.3. Filesystem (Topic 2.203)
      - 33.3.1. Review Questions
      - 33.3.2. Answers
      - 33.3.3. Exercises
    - 33.4. Hardware (Topic 2.204)
      - 33.4.1. Review Questions
      - 33.4.2. Answers
      - 33.4.3. Exercises
    - 33.5. File and Service Sharing (Topic 2.209)
      - 33.5.1. Review Questions
      - 33.5.2. Answers
      - 33.5.3. Exercises
    - 33.6. System Maintenance (Topic 2.211)
      - 33.6.1. Review Questions
      - 33.6.2. Answers
      - 33.6.3. Exercises
    - 33.7. System Customization and Automation (Topic 2.213)
      - 33.7.1. Review Questions
      - 33.7.2. Answers
      - 33.7.3. Exercises
    - 33.8. Troubleshooting (Topic 2.214)
      - 33.8.1. Review Questions
      - 33.8.2. Answers
      - 33.8.3. Exercises
  - 34. Exam 201 Practice Test
    - 34.1. Questions
    - 34.2. Answers
- IV. General Linux Exam 202
  - 35. Networking Configuration (Topic 2.205)
    - 35.1. Objective 1: Basic Networking Configuration
      - 35.1.1. Network Configuration Utilities, and What Lies Beneath
      - 35.1.2. Common Network Configuration Files
        
        35.1.2.1. The /etc/network/interfaces file
        
        35.1.2.2. The /etc/sysconfig/network-scripts directory
      - 35.1.3. Using ifconfig
        
        35.1.3.1. Virtual interfaces
        
        35.1.3.2. Other common uses for ifconfig
        
        35.1.3.3. Examples
      - 35.1.4. The route Command
        
        35.1.4.1. Syntax and frequently used options
      - 35.1.5. Common Uses
      - 35.1.6. ARP and Related Commands
        
        35.1.6.1. arp command syntax
        
        35.1.6.2. Example #1
        
        35.1.6.3. Example #2
      - 35.1.7. The arpwatch Command
        
        35.1.7.1. arpwatch
        
        35.1.7.2. Sample arpwatch results
      - 35.1.8. Dial-up Connections
        
        35.1.8.1. Connecting with a modem
        
        35.1.8.2. Configuration files
        
        35.1.8.3. pon
        
        35.1.8.4. Checking a dial-up network connection
        
        35.1.8.5. The poff command
        
        35.1.8.6. The wvdial command
        
        35.1.8.7. Configuring wvdial: wvdialconf
        
        35.1.8.8. wvdialconf examples
        
        35.1.8.9. Sample /etc/wvdial.conf file
        
        35.1.8.10. ISDN connections
        
        35.1.8.11. The ipppd daemon
        
        35.1.8.12. The isdnctrl command
        
        35.1.8.13. Using isdnctrl
        
        35.1.8.14. Multihomed systems
        
        35.1.8.15. IP routing configuration
        
        35.1.8.16. IP forwarding versus firewalling and Network Address Translation (NAT)
    - 35.2. Objective 2: Advanced Network Configuration and Troubleshooting
      - 35.2.1. Simple Connectivity Example: Telnet
        
        35.2.1.1. Using tcpdump
        
        35.2.1.2. tcpdump expressions
        
        35.2.1.3. Example #1
        
        35.2.1.4. Example #2
        
        35.2.1.5. Example #3
        
        35.2.1.6. Example #4
        
        35.2.1.7. ethereal and tethereal
        
        35.2.1.8. The lsof command
        
        35.2.1.9. Example #1
        
        35.2.1.10. Example #2
        
        35.2.1.11. Example #3
        
        35.2.1.12. Example #4
        
        35.2.1.13. Example #5
        
        35.2.1.14. The netstat command
        
        35.2.1.15. Example #1
        
        35.2.1.16. Example #2
        
        35.2.1.17. Example #3
      - 35.2.2. netcat (nc)
        
        35.2.2.1. Example #1
        
        35.2.2.2. Example #2
        
        35.2.2.3. Example #3
  - 36. Mail and News (Topic 2.206)
    - 36.1. Objective 2: Using Sendmail
      - 36.1.1. Sendmail Configuration
        
        36.1.1.1. Building and editing configuration files: the m4 utility
        
        36.1.1.2. Additional configuration files
        
        36.1.1.2.1. Restarting Sendmail
      - 36.1.2. Securing Sendmail
        
        36.1.2.1. Defining a trusted network
        
        36.1.2.2. The /etc/mail/access file
        
        36.1.2.3. Testing Sendmail configuration
        
        36.1.2.4. Defining accepted email domains: local-host-names and sendmail.cw
      - 36.1.3. Delivering Email
        
        36.1.3.1. SMTP delivery based on DNS lookup
        
        36.1.3.1.1. SMTP delivery via a smart host
      - 36.1.4. Manual Entries
      - 36.1.5. Local Delivery
      - 36.1.6. Using virtusertable
      - 36.1.7. Checking Virtual Users
      - 36.1.8. Email Aliases
        
        36.1.8.1. The contents of the aliases file
        
        36.1.8.2. Reversing virtual user accounts
        
        36.1.8.3. The genericstable file
      - 36.1.9. Bastion Host Sendmail Server
        
        36.1.9.1. Locking down the server
        
        36.1.9.2. Configuring Sendmail for a bastion host
      - 36.1.10. Managing Mail Traffic
      - 36.1.11. Monitoring Mail
      - 36.1.12. Log Configuration
    - 36.2. Objective 3: Managing Mail Traffic
      - 36.2.1. Filtering and Sorting Techniques
        
        36.2.1.1. Using Procmail
        
        36.2.1.2. Procmail files
        
        36.2.1.3. Creating recipes in Procmail
        
        36.2.1.3.1. Sample Procmail recipes
        
        36.2.1.4. Monitoring and troubleshooting Procmail
    - 36.3. Objective 1: Configuring Mailing Lists
      - 36.3.1. Configuring Majordomo
        
        36.3.1.1. Preparing Sendmail
        
        36.3.1.2. Installing Majordomo
        
        36.3.1.3. Creating Majordomo lists
        
        36.3.1.3.1. Using the create command
        
        36.3.1.3.2. Customizing the list
      - 36.3.2. Testing the Implementation and Monitoring Problems
    - 36.4. Objective 4: Serving News
      - 36.4.1. Overview
        
        36.4.1.1. Installing INN
        
        36.4.1.2. Configuring INN
        
        36.4.1.3. Customizing newsgroups
        
        36.4.1.4. Configuring downstream and upstream clients
        
        36.4.1.5. Monitoring newsgroups
        
        36.4.1.6. Using innwatch
    - 36.5. Conclusion
  - 37. DNS (Topic 2.207)
    - 37.1. Objective 1: Basic DNS Server Configuration
      - 37.1.1. named.conf
      - 37.1.2. Primary DNS
      - 37.1.3. Secondary and Tertiary DNS
    - 37.2. Objective 2: Create and Maintain DNS Zones
      - 37.2.1. Forward DNS Zones
      - 37.2.2. Reverse DNS Files
      - 37.2.3. DNS Tools
    - 37.3. Objective 3: Securing a DNS Server
      - 37.3.1. Dedicated Servers
      - 37.3.2. Restricting Zone Transfers
      - 37.3.3. Using Transaction Signatures (TSIG)
      - 37.3.4. Recursive Queries
      - 37.3.5. Running BIND in a chroot Jail/Reduced Privileges
  - 38. Web Services (Apache and Squid, Topic 2.208)
    - 38.1. Installing Apache
      - 38.1.1. Apache Installation from Source
    - 38.2. Configuring Apache
      - 38.2.1. Access Control
      - 38.2.2. Third-Party Modules
        
        38.2.2.1. mod_php
        
        38.2.2.2. mod_perl
        
        38.2.2.3. mod_ssl
        
        38.2.2.4. mod_rewrite
        
        38.2.2.5. Apache performance tuning
    - 38.3. Squid: History and Overview
      - 38.3.1. http_port option
      - 38.3.2. cache_dir option
      - 38.3.3. cache_mem option
      - 38.3.4. cache_access_log option
      - 38.3.5. acl option
    - 38.4. Squid Authentication
    - 38.5. Squid as Web Accelerator
  - 39. Network Client Management (Topic 2.210)
    - 39.1. Objective 1: DHCP Configuration
      - 39.1.1. Setting Up a DHCP Server
        
        39.1.1.1. Configuring DHCP options
        
        39.1.1.2. Configuring dhcpd for random IP assignment
        
        39.1.1.3. Fixed addresses in dhcpd
        
        39.1.1.4. bootp support
        
        39.1.1.5. dhcpd.leases
      - 39.1.2. Using DHCP Clients
        
        39.1.2.1. Using pump
        
        39.1.2.2. Using dhclient
        
        39.1.2.3. Configuring Red Hat as a DHCP client
        
        39.1.2.4. Configuring Debian as a DHCP client
      - 39.1.3. DHCP Relay
    - 39.2. Objective 2: NIS Configuration
      - 39.2.1. NIS Master Server
      - 39.2.2. NIS Client
        
        39.2.2.1. compat
        
        39.2.2.2. NIS slave server
      - 39.2.3. NIS Maps and Tools
        
        39.2.3.1. Map lookups and nicknames
        
        39.2.3.2. Keeping maps up to date
        
        39.2.3.3. Netgroups
        
        39.2.3.4. RPC calls
    - 39.3. Objective 3: LDAP Configuration
      - 39.3.1. Setting Up OpenLDAP Server
      - 39.3.2. Setting Up Client Tools
    - 39.4. Objective 4: PAM Authentication
      - 39.4.1. PAM Configuration
        
        39.4.1.1. module-type
        
        39.4.1.2. control-flag
        
        39.4.1.3. module-path and arguments
      - 39.4.2. LDAP Client Authentication Using PAM
        
        39.4.2.1. Packages for LDAP and PAM
        
        39.4.2.2. Configuring nss_ldap and nsswitch.conf
        
        39.4.2.3. Configuring pam_ldap and /etc/pam.d files
  - 40. System Security (Topic 2.212)
    - 40.1. Objective 2: Configuring a Router
      - 40.1.1. The Example Networks
      - 40.1.2. Getting Routing Working
      - 40.1.3. Firewall Rulesets
        
        40.1.3.1. ipchains versus iptables
        
        40.1.3.2. Antispoofing
      - 40.1.4. Using ipchains
        
        40.1.4.1. ipchains
        
        40.1.4.2. ipmasqadm
        
        40.1.4.3. Sample ipchains setup
      - 40.1.5. Using iptables
        
        40.1.5.1. The iptables command
        
        40.1.5.2. Example netfilter configuration
      - 40.1.6. Firewalling Miscellanea
        
        40.1.6.1. /proc/sys/net/ipv4
        
        40.1.6.2. Saving and reloading rulesets
        
        40.1.6.3. NAT and security
        
        40.1.6.4. Dynamic routing
    - 40.2. Objective 3: Securing FTP Servers
    - 40.3. Objective 4: Secure Shell (SSH)
      - 40.3.1. Installation and Configuration
      - 40.3.2. Generating and Using Keys
      - 40.3.3. ssh-agent
      - 40.3.4. Other ssh Tricks
    - 40.4. Objective 5: TCP Wrappers
      - 40.4.1. /etc/hosts.allow and /etc/hosts.deny
        
        40.4.1.1. Specifying services
        
        40.4.1.2. xinetd and access control
    - 40.5. Objective 6: Security Tasks
      - 40.5.1. Kerberos
        
        40.5.1.1. Overview
        
        40.5.1.2. Server installation and configuration
        
        40.5.1.3. Client configuration
      - 40.5.2. Security Auditing Source Code
        
        40.5.2.1. Executing subprograms
        
        40.5.2.2. Checking input
        
        40.5.2.3. Buffer overflows
        
        40.5.2.4. Unsafe temporary file creation
      - 40.5.3. IDS
        
        40.5.3.1. Tripwire
        
        40.5.3.1.1. Overview of Tripwire
        
        40.5.3.1.2. Tripwire policy file format
        
        40.5.3.2. Snort
        
        40.5.3.2.1. Configuring Snort
        
        40.5.3.2.2. Understanding Snort rules
      - 40.5.4. Miscellaneous
        
        40.5.4.1. Scanning in general
        
        40.5.4.2. Security alerts
        
        40.5.4.3. Updating Linux
        
        40.5.4.3.1. Keeping Debian up-to-date
        
        40.5.4.3.2. Keeping Red Hat up-to-date
  - 41. Network Troubleshooting (Topic 214)
    - 41.1. Network Troubleshooting Essentials
    - 41.2. Common Troubleshooting Commands
      - 41.2.1. ping
      - 41.2.2. telnet and netcat
      - 41.2.3. ifconfig
      - 41.2.4. traceroute
      - 41.2.5. netstat and route
    - 41.3. Hardware Problems
      - 41.3.1. Physical Connection Issues
        
        41.3.1.1. Cabling
        
        41.3.1.2. Failed networking devices
      - 41.3.2. Problems with the Interface Card
      - 41.3.3. Reviewing Screen Output
      - 41.3.4. Changes to the Kernel and /etc/modules
      - 41.3.5. Checking Log Files
    - 41.4. Network Device Configuration Files
      - 41.4.1. The /etc/network/interfaces File
      - 41.4.2. The /etc/sysconfig/network-scripts Directory
      - 41.4.3. PCMCIA Card Configuration
      - 41.4.4. The /etc/networks File
      - 41.4.5. The /etc/nsswitch File
      - 41.4.6. Additional Configuration Files
        
        41.4.6.1. /etc/host.conf
        
        41.4.6.2. /etc/modprobe.d/aliases
        
        41.4.6.3. The /etc/hostname file
      - 41.4.7. Application Issues
    - 41.5. DNS Errors
    - 41.6. Determining the Cause of Inaccessible Services
      - 41.6.1. Using netstat
      - 41.6.2. nmap
      - 41.6.3. Finding Authoritative Information with lsof and strace
      - 41.6.4. Unexpected Changes to Files and Settings
    - 41.7. Conclusion
  - 42. Exam 202 Review Questions and Exercises
    - 42.1. Networking Configuration (Topic 2.205)
      - 42.1.1. Review Questions
      - 42.1.2. Answers
      - 42.1.3. Exercise
    - 42.2. Mail and News (Topic 2.206)
      - 42.2.1. Review Questions
      - 42.2.2. Answers
      - 42.2.3. Exercises
    - 42.3. DNS (Topic 2.207)
      - 42.3.1. Review Questions
      - 42.3.2. Answers
      - 42.3.3. Exercises
    - 42.4. Web Services (Topic 2.208)
      - 42.4.1. Review Questions
    - 42.5. Answers
      - 42.5.1. Exercises
    - 42.6. Network Client Management (Topic 2.210)
      - 42.6.1. Review Questions
      - 42.6.2. Answers
      - 42.6.3. Exercises
    - 42.7. System Security (Topic 2.212)
      - 42.7.1. Review Questions
      - 42.7.2. Answers
      - 42.7.3. Exercises
    - 42.8. Network Troubleshooting (Topic 2.214)
      - 42.8.1. Review Questions
      - 42.8.2. Answers
      - 42.8.3. Exercises
  - 43. Exam 202 Practice Test
    - 43.1. Questions
    - 43.2. Answers
- Index
- About the Authors
- Colophon
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