Mike Meyers' Linux+ Certification Passport

Acknowledgments     xviiiCheck-In     xixInstalling and Configuring Linux     1Basic Installation     3Determine Customer Needs     4The History of Linux     4What Applications Linux Can Include for Clients     5What Server Services Can Be Installed     6Selecting a Distribution     6Identify Required Hardware     7Basic Hardware     8Required Space     8Scalability     9Understand That Linux Is Just the Kernel     9Numbering Schemes     9Upgrades     10Custom Kernels     10Determine the Appropriate Installation Method     11Boot Method     11Local Source     12Network Source     13Define Multimedia Options     14Video     14Sound     15Codecs     16Identify Machine Requirements     16Packages and Package Groups     16Appliance     18Functional Server     18Desktop     19Checkpoint     19Review Questions     20Review Answers     22Configuring During and After Installation     23Select Appropriate Parameters for Installation     24Language     25Keyboard     26Pointing Device     26Time Zone     27Partition with fdisk and More     27Appropriate Directories for Dedicated Partitions     27RAID Configuration     28Logical Volume Management Configuration     30Other Partition Management Tools     31Configure a Filesystem     31Standard Linux Filesystems     31Other Filesystems     33Understand and Reinstall a Boot Manager     33The Linux Loader (LILO)     34The Grand Unified Bootloader (GRUB)     35Other Bootloaders     37Identify Network Configuration Issues     37Network Fundamentals     37IP Addresses     38Connecting to a LAN     39Connecting via Telephone Modern     40The Internet Super Server     41Configure Peripherals as Needed     41Printers     41Scanners     42Other Devices     42Perform Post-Installation Package Management     42Installing New RPM Packages     43Upgrading RPM Packages     43Installing from a Compressed Tarball     44Checkpoint     45Review Questions     46Review Answers     48Managing Linux Users, Files, Packages, Processes, and Services     49Managing Files and Directories     51Work with Files and Directories     52Basic Navigation     53Using the find and locate Commands     57Searching with grep     59Comparing with diff     59Create Files and Directories     60Creating Files with touch     60Creating Files with cp     60Modifying Filenames with mv     61Deleting Files with rm     61Creating and Removing Directories with mkdir and rmdir     62Manage Text Files     63File Reading Commands     63The Stream Editor, sed     65The awk Text Manipulation Tool     65The Visual Editor     65Create Linked Files     68Hard Links     68Soft Links      68Modify Ownership and Permissions     69File Ownership     69Changing Ownership with chown and chgrp     70Defining Permissions, Octally     71Changing Permissions with chmod     72The SUID, SGID, and Sticky Bits     73Defining Default Permissions with umask     74Shell Command Management     75Standard Output     75Standard Input     76Error Output     76Quotes in the Shell     76Interactivity     78Command Completion     79Escaping Special Characters     79Create, Modify, and Run Basic Scripts     80Shell Script Examples     80Making a Shell Script Executable     81Checkpoint     81Review Questions     82Review Answers     84Media, Process, and Package Management     87Manage Storage Devices and Filesystems     88The Filesystem Hierarchy Standard     88Configuring with fdisk     90Checking with fsck     91Formatting with mkfs     92Tuning with tune2fs     93Mount Locally and Remotely     93Mounting on Your Own     94Mounting a Shared NFS Directory     94Mounting a Shared Samba/CIFS Directory     94Back Up and Restore Data     95Tape Archives and Compression with tar     95Input and Output with cpio     96Use Recordable Media     96Mounting Devices     97Writing to CD/DVDs     98Manage Runlevels     99The Boot Process     99Setting the Default Runlevel     100Changing Runlevels     101Services in Each Runlevel     101Other Initialization Scripts     101Learn Process Management     101Process Collections with ps     101Core Kernel and init Processes     102Stopping and Restarting a Job     103Load Monitoring with top     105Listing Open Files with Isof     105Changing Job Priorities     106Identify Package Problems and Solve with Updates     107Importing the Keyfile     107Identifying a Problem     108Dependency Resolution     108Package Updates     110Checkpoint      110Review Questions     111Review Answers     113User and Service Management     115Understand Network Troubleshooting     116Confirming Connectivity with ping     116Reviewing Network Connections with netstat     117Tracing a Network Path with traceroute     118Administer with Remote Management Tools     119The "r" Commands     120The Secure Shell     121Configure Printer Systems     122The Line Printer Daemon     122The Common Unix Printing System     123Running a Print Job     124Checking Print Queues and Spools     124Removing Print Jobs     125Control Mail Servers     126Basic sendmail     126Basic Postfix     127Understand Text-based Mail Clients     127The mail Client     127The mutt Client     128Administrative Job Management     129Standard and User cron Jobs     129Creating an at Job     131Manage User Accounts     132User and Group Configuration Files     132Adding User Accounts in Configuration Files     134Adding Users and Groups from the Command Line     135User and Group Management Commands     135Managing Users and Groups with Quotas     137Configure the Network Information Service     138Basic NIS Client Configuration     138NIS Commands     138Common File Management     139Checkpoint     140Review Questions     140Review Answers     142Configuring Linux Clients and Servers     145Basic Client Configuration     147Set Up Environment Variables     148Configure Mounted Directories     149Editing/etc/fstab     150Configuring Local Mounts in/etc/fstab     153Configuring Network Mounts in/etc/fstab     154/etc/mtab     155Work Client Network Settings     155Network Client Commands     155Network Client Configuration Files     157Manage a Network Card     158Running ifconfig     158Associated Configuration Files     159Dynamic IP Configuration     161Implement Name Resolution     161/etc/hosts      162Name Resolution Order     162Remote DNS Services     163Testing DNS Databases     163Work with Log Files     165As Defined in /etc/syslog.conf     165Logs in the /var/log Directory     167Log Rotation     168Set Up Remote Logging     169Use Makefiles     169Compiling Drivers and Other Packages     170Compiling a Kernel     170Configure the X Window System     171The X Window Server, Old and New     171Different Meanings for Client and Server     172X Window Configuration Tools     172The X Window Configuration File     174X Window Management     174Configuring the X Window System from the Command Line     174Checkpoint     175Review Questions     176Review Answers     178Basic Server Configuration     181Implement Basic Routing and Subnetting     182Managing Routing Tables     182IP Forwarding     183IP Masquerading     184Configure Basic Network Server Services     186Domain Name Service      186Dynamic Host Configuration Protocol     190Squid     191Configure Samba     192The Basic Configuration File     193Stanzas and Directives     194Samba Configuration Commands     195Configure Apache     197The Structure of Apache Directories     197Associated Configuration Files     198Apache Command Controls     201Set Up Linux Print Services     202The Line Printer, Next Generation Service     202The Common Unix Printing System     203Sharing Printers with Samba     206Apply Basic Printer Permissions     208Limiting Access by Address     208Limiting Access by User     208Checkpoint     209Review Questions     210Review Answers     212Securing Accounts and Services     215Security and Users     217Manage User Accounts     218Deactivating Accounts     218Deleting Accounts While Keeping the Data     220Deactivating Regular Accounts     221Changing Groups     221Control Administrative Accounts      222Regular and Administrative Accounts     223Temporary Administrative Access with su     223Administrative Privileges with sudo     224Set Up Security Environment Files     225Users as Administrators in /etc/sudoers     225Secure Shell Limits     226Pluggable Authentication Module User Limits     228FTP Access with ftpusers     230Server Limits with /etc/hosts.allow and /etc/hosts.deny     231Work with Special File Permissions     232Identifying Files with Specialized Permissions     233Preventing Specialized Permissions     233Immutability Protects Files     234Special Group Directories     235Configure Password Policies     236The Shadow Password Suite     236Password Aging     237Account Aging     237PAM and Password Complexity     238Promote User-level Security     239Login Limits     239Memory Usage and Process Limits with ulimit     241Checkpoint     242Review Questions     243Review Answers     245System Security     247Configure Encryption     248Shadow Passwords     249Password Strength     250Disk Encryption     250Other Encryption Schemes     250Detect Intrusion Attempts     252Logging Logins     252Other Log Files     253The w and who Commands     253Checking Up on Users with last and utmpdump     254Understand Intrusion Detection Systems     255Snort     256PortSentry     256Command-line Monitoring     257Decipher Basic Firewall Configurations     258Common Ports     259Configuring iptables     260Audit Key Security Files     264Security-related /etc/ Configuration Files     264The Internet Super Server     264Security Logs     266Other Security Configuration Issues     266Identify File Corruption     267Verifying with rpm     267Running Tripwire     268Checking Download Integrity     268Checkpoint     269Review Questions     270Review Answers     271An Overview of Linux Documentation      273Documentation and Configuration     275Document a System Performance Baseline     276Display Linux Performance with top     276System Activity Reports with sar     277Memory Statistics with vmstat     278Review the Process Tree with pstree     278Create Installation, Configuration, and Security Management Procedures     280Document the Installation Configuration     280Back Up Configuration Files     280Set Up Security Procedures     281Document the Installed Configuration     281Find the Package List     281Document Compiled Package Options     284Documented Hardware     284Set Up Consistent Networking     285Create Maintenance Procedures     285When to Update the Kernel     285Troubleshoot System and Application Errors with Logs     286Monitoring Logs with head and tail     286Searching Through Logs with grep     286Access System Documentation     287Command Manuals     287Package Documentation     288Online Documentation     289Licensing      289Checkpoint     290Review Questions     290Review Answers     292Hardware Issues     295Hardware on Linux     297Describe Common Hardware Components     298Connectors     298Basic Hardware Channels     299Module Management     302Hardware Compatibility Lists     303Diagnose Hardware Issues     304Hardware Detected in /proc     304Using Disk Utilities     304Using a Live CD as a Rescue Disk     305Network Hardware     306Hardware Detection Commands     307Reviewing Device Files     307Reviewing dmesg Output     308Kernel Hardware Boot Parameters     309Understand Hardware Power Management     310Working with Advanced Power Management     310Managing the Advanced Configuration and Power Interface     311Identify and Configure Removable System Hardware     311PC Cards     312USB Devices     312IEEE 1394 Devices     312Identify and Configure Mass Storage Devices     313Hard Drives     313Floppy Drives     315Tape Drives     315Flash Memory Devices     316CD/DVD Drives     316Checkpoint     316Review Questions     317Review Answers     319Appendixes     321About the CD-ROM     323Mike Meyers' Certification Passport CD-ROM Instructions     323System Requirements     323Installing and Running Wine     323Installing and Running MasterExam     324MasterExam     327Help     328Removing an Installation     328LearnKey Technical Support     328Content Support     328Career Flight Path     329Red Hat Certifications     329Red Hat Certified Technician (RHCT)     329Red Hat Certified Engineer (RHCE)     330Red Hat Certified Security Specialist (RHCSS)     330Red Hat Certified Datacenter Specialist (RHCDS)     330Red Hat Certified Architect (RHCA)     331Novell/SUSE Certifications     331Novell Certified Linux Professional (CLP)     332Novell Certified Linux Engineer (CLE)     332Linux Professional Institute (LPI)     332LPI Level 1     333LPI Level 2     333LPI Level 3     333Installing CentOS-5, Step by Step     335Download CentOS-5     335Install CentOS-5     336Testing Linux with VMware     343Acquiring VMware Server     344Installing VMware Server on Microsoft Windows     345Installing VMware Server on Ubuntu Dapper Drake     346Preparing VMware for Linux Installation     348VMware Snapshots     352Glossary     353Index     377