Red Hat Enterprise Linux

A - 2
Full Functioned Nameserver
Slave Server
Absolute Pathnames
Access Permissions
Accessing Linux Shares from Windows Browsing Shares
Accessing Windows Shares from Linux
ACLs Access Control Lists
Add Entries to the Directory
Adding a Device
Adding and Removing Software Packages
Adding Resource Records
Administration Tasks
Advanced Exercises - 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Aliases
Allow GECOS and Login Shell Modification
Always check for an error when opening a file
Ampersand
And Newline Separate Commands
And Separate Commands and Do Something Else
Appendix Summary - 2
Arithmetic Evaluation
Arithmetic Expansion
Array Variables
Assigns a Default Value
At Runs Occasional Tasks
Attribute Caching
Autofs Automatically Mounted Directory Hierarchies
Automount Automatically Mounts Directory Hierarchies
B - 2
Background
Backing Up Files
Backup Utilities
Basic Cacti Administration
Basic Utilities
Beginning Installation
Bg Sends a Job to the Background
Booting the System - 2
Brace Expansion
Bracketing Expressions
Brackets
Break and continue
Brief Contents
Bringing the System Down
Broadcast Networks
Browser Parameters
Browsers
Browsing Windows Networks
Bugs
Builtins
Burning the CDDVD
Bzip2 Compresses a File
Case
Cat Displays a Text File
CD or DVD
Cdpath Broadens the Scope of cd
Changing the Resolution of the Display
Chapter Summary - 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Checking the File
Chmod Changes Access Permissions
Chmod Makes a File Executable
Choosing a Backup Medium
CIDR Classless Inter Domain Routing
Command and Input Modes
Command Substitution
Command Line Arguments
Command Line Expansion
Command Line Options
Commands
Commands That Are Symbols
Communicate Over a Network
Communication
Communication Parameters
Compiling the Kernel
Compressing and Archiving Files
Config The SELinux Configuration File
Configuration Directives
Configuration Selections
Configuring and Monitoring a LAN
Configuring Cacti
Configuring the Systems
Configuring User and Group Accounts
Configuring yum
Considerations
Consolehelper Allows an Ordinary User to Run a Privileged Command
Contents
Continues a Command
Control Bars
Control Structures - 2
Converts Linux and Macintosh Files to Format
Correcting Mistakes
Cp Copies a File
Crash
Creating Free Space on a Windows System
Crond and crontab Schedule Routine Tasks
Curbing Your Power SuPERUSERroot Privileges
Debugging Shell Scripts
Definitions
Deleting or Mistyping a Critical File
Delimiters
DHCP Client
DHCP Configures Hosts
DHCP Server
Diff Compares Two Files
Directives I Directives You May Want to Modify as You Get Started
Directives II Advanced Directives
Directory Access Permissions
Dirs Displays the Stack
Disk Quota System
Displaying the Contents of a Filesystem
Displays an Error Message
Distributed Computing
Dmesg Displays Kernel Messages
DNS Domain Name Service
DNS Query and Response
Dnsbind Tracking Domain Names and Addresses
Do not allow root access over the Internet
Do not change runlevels directly into runlevel S
Do not rely on rules of precedence use parentheses
Do not turn the power off before bringing the system down
Dot or source Runs a Startup File in the Current Shell
Downloading a CDDVD fedora
Downloading and Installing Software
E
Echo Displays Text
Edit etcypservconf to Configure the NIS Server
Editing a Device
Editing the Command Line
Emacs Editing Mode
Email
Empty Regular Expressions
Enabling ACLs
Encryption Implementation
Ending the Editing Session
Entering Text
Enterprise Linux
Errata
Error Codes
Error Handling
Etcexports Holds a List of Exported Directory Hierarchies
Etcfstab Mounts Directory Hierarchies Automatically
Ethernet
Evolution Mail
Example
Examples
Examples of Aliases
Exec Executes a Command
Executing a Command
Executing the Command Line
Exercises - 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Exit Status
Expanding Null and Unset Variables
Exportfs Maintains the List of Exported Directory Hierarchies
Exporting a Directory Hierarchy
Extended Regular Expressions
F
Features of This Book
Fedora
Feel Free to Experiment
Fg Brings a Job to the Foreground
File Descriptors
File Security
File Tests the Contents of a File
Filename Generation Pathname Expansion
Filenames
Files
Filesystem Layout
Filesystems
Finding a Mirror Site to Download From
Finding the Installation Manual
Firewall
Font Preferences fedora
For
Foreachfor
Fsck Checks Filesystem Integrity
Fstab Keeps Track of Filesystems
Functions - 2
G
Gateways and Routers
General Options
Getting Help
Global Parameters
GNOME Desktop Terminology
GNOME Terminal Emulator Shell
GNU Configure and Build System
Going to Multiuser Mode
Going to Single User Mode
Grep Searches for a String
Grub The Linux Loader
Gzip Compresses a File
Hard Links
Hash Variables
Head Displays the Beginning of a File
Help
Helping When a User Cannot Log In
Here Document
History
History Expansion
Host Address
Host and dig Query Internet Nameservers
Host Security
Hostnames
How DHCP Works
How DNS Works
HOWTOs Finding Out How Things Work
If you will use SELinux in the future
Ifelse
Ifelsifelse
IFS Separates Input Fields Word Splitting
Ifthenelif
Ifthenelse
Ifunless
Improving Performance
Index of fedoraIinux
Info Displays Information About Utilities
Info - 2
Initializing Databases and Updating the System
Install perldoc
Installation Overview
Installing a Linux Kernel Binary
Installing FedoraRHEL
Installing FedoraRHEL as the Second Operating System
Installing NoNrpm Software
Installing Upgrading and Removing Packages
Installing Upgrading from the Install DVD
Interactive Nonlogin Shells
Interfaces Installer and Installed System
Internetworking Through Gateways and Routers
Introduction - 2 3 4 5
Introduction to DNS
Introduction to Fedora and Red Hat Enterprise Linux
Introduction to Perl 6
IP Internet Protocol
Iptables Setting Up a Firewall
J
Job Control
Jump Start Configuring a Samba Server Using systemconfigsamba
Jump Start I Configuring a Local Printer
Jump Start I Setting Up a DNS Cache
Jump Start II Configuring an NFS Server Using systemconfignfs
Jump Start II Setting Up Apache Using systemconfighttpd
Jumpstart Setting Up MySQL
Jump Start Starting the sshd Daemon
Jump Start Using ssh and scp
K
Keeping a Machine
Keeping multiple chroot jails
Keeping Software Upto Date
Keeping Users Informed
Key Topics Covered in This Book
Keyword Variables A Summary
Kill Aborts a Process
Kill Use the kill signal KILL or 9 as a method of last resort
Konqueror
LAN Local Area Network
Last and next
Launching Programs from the Desktop
Ldap
Least privilege
Less Is more Display a Text File One Screen at a Time
Lexical variables overshadow package variables
Linux GUIs X and GNOME
Linux Newsgroups
Locality of Variables
Locate Searches for a File
Locating the Kernel Source Code
Logging In from a Terminal Emulator
Logging In Remotely Terminal Emulators ssh and DialUp Connections
Logging
Logging Parameters
Login Shells
Longest Match Possible
Lpr Prints a File
Ls l Displays Permissions
Ls Lists the Names of Files
LVs Logical Volumes
MAIL Where Your Mail Is Kept
Man Displays the System Manual
Match Extensions
Menubar
Mesg Denies or Accepts Messages
Miscellaneous Options
Modifying the httpdconf Configuration File
Modifying the PAM Configuration
Module List
More About Logging In
More Information - 2 3 4 5
Mount Mounts a Remote Directory Hierarchy
Mount Points
Mounting Windows Shares
Mouse Preferences
MRTG Monitors Traffic Loads
Mv Changes the Name of a File
Mv cp Move or Copy Files
Mv Moves a Directory
Mysql
Namedconf The named Configuration File
Network
Network Protocols
Network Security
Network Security Guidelines
Network Security Solutions
Networking and the Internet
Network Manager Configures Network Connections
Notes - 2 3 4 5 6 7 8
Nsswitchconf Which Service to Look at First
Obtaining User and System Information
Opening Files
Operators
Optional Seeing What Is Going on
Options - 2
Order of Expansion
Ordinary Files Directories Links and Inodes
Other yum Commands
Packet Match Criteria
Pam
Panels
Parameter and Variable Expansion
Parameters and Variables
Parsing and Scanning the Command Line
Partitions
PATH Where the Shell Looks for Programs
Pathname Expansion
Periods
Perldoc
Physical Security
Pick a Color Window
PID Number
Ping Tests a Network Connection
Pipe Communicates Between Processes
Pirut Adds and Removes Software Packages RHEL
Planning the Installation
Popd Pops a Directory Off the Stack
Ports
Preface
Prerequisites - 2 3 4 5 6 7 8
Primary Extended and Logical Partitions
Printing to Windows
Printing Using Samba
Process Identification
Process Structure
Process Substitution
Processes
Processing the Command Line - 2
Processor Architecture
Programming the Bourne Again Shell
Proxy Servers
PS1 User Prompt Primary
PS2 User Prompt Secondary
Putting Your Content in Place
Q
Querying Packages and Files
Quoted Digit
R
Raid
RAID Filesystem
Readline Completion Commands
Readonly Makes the Value of a Variable Permanent
Rebuilding the Linux Kernel
Red Hat Network rhel
Redirects
Reexecuting and Editing Commands
Regular Expressions
Relative Pathnames
Removing Unused Space from Directories
Repairing a Filesystem
Requirements
Rescue Mode
Resource Records
Reverse Name Resolution
Rm Deletes a File
Rmdir Deletes a Directory
Rootowned setuid programs are extremely dangerous
Rpm Red Hat Package Manager
Run Application Window
Runlevels
Running a Fedora Live Session
Running a Program in the Background
Running a Shell Script
Running BIND in a chroot Jail
Samba Integrating Linux and Windows
Samba Users User Maps and Passwords
Scalar Variables
Script Records a Shell Session
Scripting Modules
Searching for Files
Section 1 Global Environment
Section 2 Main Server Configuration
Security
Select
SELinux
Sending Mail to a Remote User
Servers
Session Management
Set Initializes Command Line Arguments
Set o Turns Shell Features On and
Setting Default Rules for a Directory
Setting the Targeted Policy with systemconfigselinux
Setting Up a Domain Server
Setting Up a Dual Boot System
Setting Up a Remote Data Source
Setting Up a Remote Printer
Setting Up LAMP
Setting Up Networking for a Server
Setting Up Servers
Setting Up Startup Files
Setting Up the Hard Disk
Setup
Share Parameters
Shell Features
Shell Programs
Shift Promotes Command Line Arguments
Showmount Displays NFS Status Information
Simple Strings
Single Versus Double Quotation Marks in Aliases
Single User Mode
Smbclient Connects to Windows Shares
Sort
Sort Displays a File in Order
Special Characters - 2
Specifies a Shell
Specifying a Subnet
Speeding Up the System
Ssh Connects to or Executes Commands on a Remote System
Standard Input and Standard Output
Standard Rules in Configuration Files
Start and Test the Server
Start the Servers
Starting the Installation
Static Versus Dynamic IP Addresses
Stepby Step Installation
Stepby Step Setup
String Pattern Matching
Su Gives You Another Users Privileges
Subnets
Subroutines
Superuser PATH and security
Swat Configures a Samba Server
Switched Networks
Switching Workspaces
Symbolic Links
Syntax
Syntax and Conventions
System Administrator and Superuser
System Reports
Systemconfigfirewall
Systemconfigfirewall Generates a Set of Rules
Systemconfigprinter Configuring a Printer
T
Table A11 Extended regular expressions continued
Table A4 Asterisks
Table A6 Quoted special characters
Table A7 Extended regular expressions
Table B2 Useful Linux sites continued
Table B4 Software continued - 2
Tail Displays the End of a File
Tar Packs and Unpacks Archives
Targets
TCP Transmission Control Protocol
TCP Wrappers Client Server Security hostsallow and hostsdeny
Telnet Logs In on a Remote System
Terminology
Testing
Testing Apache
Testing the Server Setup
The Bourne Again Shell
The Client Server Model
The Command Line
The Desktop Live CD and the Install DVD
The Disc Found Screen
The Easy Way to Download a Cd Iso Image File
The FedoraRHEL httpdconf File
The help Option
The Heritage of Linux UNIX
The Hierarchical Filesystem
The Installation Process
The Keyboard and Screen as Standard Input and Standard Output
The Linux Filesystem
The Linux Utilities
The Login Screen
The Main Menu
The Nautilus File Browser Window
The Network Configuration Window
The Perl Scripting Language
The Readline Library
The Screen as a File
The Shell
The Side Pane
The Special Character - 2
The Update Applet
The View Pane
The Window Manager
The X Window System
The xinetd Superserver
The [homes Share Sharing Users Home Directories
Tilde Expansion
Top Lists Processes Using the Most Resources
Traceroute Traces a Route Over the Internet
Troubleshooting - 2 3 4
Trusted Hosts
Tutorial Creating and Editing a File Using vim
Type Displays Information About a Command
Types of Networks and How They Work
U
UDP User Datagram Protocol
Umount Unmounts a Filesystem
Uniq Removes Duplicate Lines from a File
Until
Updates fedora
Updating Installing and Removing Software Packages
Upgrading an Existing FedoraRHEL System Versus Installing a Fresh Copy
URL Uniform Resource Locator
Use local variables with recursive functions
Usenet
Useradd Adds a User Account
User Created Variables
Userdel Removes a User Account
Uses a Default Value
Using an Exclamation Point to Reference Events
Using Bit Torrent to Download a Cddvd Iso Image File
Using Loadable Kernel Modules
Using my lexical versus package variables
Using other options with e
Using Pathnames
Using SMART to Display Disk Performance Information
Using telnet to Connect to Other Ports
Using the BIND Configuration GUI Window
Using the Kickstart Configurator
Utilities and Builtins Introduced in This Chapter
V
Variables
Editing Mode
Virtual Hosts
Viruses and Worms
Vmstat Reports Virtual Memory Statistics
W Lists Users on the System
Webalizer Analyzes Web Traffic
Welcome to Linux
Wget Downloads Files Noninteractively
What Is New in This Edition
What Is So Good About Linux
What to Do If You Cannot Log In
When the System Does Not Boot
Where to Find Documentation
Which and whereis Locate a Utility
Which Are You Installing Fedora or Red Hat Enterprise Linux
While
Whileuntil
Windows
Working from the Command Line
Working with Files - 2
Working with Windows
Write Sends a Message
Writing a Partition Table
Writing a Simple Shell Script
WWW World Wide
X
Window System
Y
Your Home Directory
Ypinit Builds or Imports the Maps
Yppasswdd The NIS Password Update Daemon
Yum Groups
Yum Keeps the System Upto Date
Zone Files

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