CentOS 6 Essentials

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		About CentOS 6 Essentials

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Table of Contents

1. About CentOS 6 Essentials
   
   
2. Installing CentOS 6 on a Clean Disk Drive
   • Trying CentOS 6 without Installing
   • Obtaining the CentOS 6 Installation Media
   • Installing CentOS 6
   • Timezone and the Root Password
   • Partitioning a Disk for CentOS 6
   • Package Selection
   • The Physical Installation
   • Final Configuration Steps
   • Installing Updates
     
     
3. Performing a CentOS 6 Network Installation
   • CentOS 6 Network Installation Requirements
   • Obtaining a Network Boot Image
   • Writing the Boot Image to a USB Flash Drive
   • Configuring the Network Installation
   • Starting the CentOS 6 Network Installation
     
     
4. Installing CentOS 6 with Windows in a Dual Boot Environment
   • Partition Resizing
   • Shrinking the Windows Partition from within Linux
   • Choosing an Operating System at Boot Time
   • Editing the CentOS 6 Boot Menu
   • Accessing the Windows Partition from CentOS 6
     
     
5. Allocating a Windows Disk Partition to CentOS 6
   • Deleting the Windows Partition from the Disk
   • Formatting the Unallocated Disk Partition
   • Editing the Boot Menu
   • Mounting the New Partition
     
     
6. Logging into the CentOS 6 GNOME Desktop
   
   
7. Configuring CentOS 6 GNOME Screen Resolution and Multiple Monitors
   • Configuring the CentOS 6 GNOME Desktop Display Resolution
   • Changing Display Orientation
   • Configuring Multiple Monitors
     
     
8. A Guided Tour of the CentOS 6 GNOME Desktop
   • The GNOME 6 GNOME Desktop
   • The Desktop Background
   • The Desktop Panels
     
     
9. Configuring the CentOS 6 GNOME Desktop Background
   • Changing the CentOS 6 GNOME Desktop Background
   • Selecting a Background from the Wallpaper List
   • Creating a Solid or Graded Background
   • Specifying a Background Image
   • Creating a Slideshow Background
     
     
10. Installing and Customizing CentOS 6 Desktop Themes
    • What is a Desktop Theme?
    • Changing the CentOS 6 Desktop Theme
    • Downloading and Installing a Theme
    • Creating a Custom CentOS 6 Theme Package
      
      
11. Configuring CentOS 6 Desktop Fonts
    • Font Options on CentOS 6
    • Changing Font Settings
    • Font Rendering Settings
    • Advanced Font Rendering
      
      
12. Configuring the CentOS 6 GNOME Desktop Panels
    • What are Desktop Panels?
    • Changing the Position of a Panel
    • Adding and Deleting Desktop Panels
    • Changing the Appearance of a Desktop Panel
    • Adding Items to a CentOS 6 GNOME Desktop Panel
    • Adding Menus to a Panel
    • Changing the Number of CentOS 6 Desktop Workspaces
      
      
13. Configuring the CentOS 6 Desktop Menu System
    • Installing the alacarte Package
    • Customizing the CentOS 6 Desktop Menus
    • Moving Menu Items
    • Adding and Deleting a Menu Item
      
      
14. Browsing the System, Files and Folders on the CentOS 6 Desktop
    • Accessing Nautilus
    • Nautilus and the Computer Icon
    • Adding Emblems to Files and Folders
    • Changing File and Folder Permissions
    • Renaming and Deleting Files and Folders
      
      
15. Configuring the CentOS 6 Nautilus File Manager
    • Displaying Icons or Lists
    • Configuring the List View
    • Configuring the Icon View
    • Configuring Media Settings
      
      
16. Using the Bash Shell on CentOS 6
    • What is a Shell?
    • Gaining Access to the Shell
    • Entering Commands at the Prompt
    • Getting Information about a Command
    • Bash Command-line Editing
    • Working with the Shell History
    • Filename Shorthand
    • File Name and Path Completion
    • Input and Output Redirection
    • Working with Pipes in the Bash Shell
    • Configuring Aliases
    • Environment Variables
    • Writing Shell Scripts
      
      
17. Starting CentOS 6 Desktop Applications on Login
    • Session Managed and Non-Session Managed Programs
    • Configuring Desktop Startup Programs
    • Saving the Current Session
      
      
18. Configuring CentOS 6 Desktop Keyboard Shortcuts
    • Viewing Keyboard Shortcuts
    • Changing a Shortcut
    • Disabling a Keyboard Shortcut
    • Adding a Custom Shortcut
      
      
19. Configuring CentOS 6 Runlevels and Services
    • Understanding CentOS 6 Runlevels
    • Understanding CentOS 6 Services
    • CentOS 6 Runlevels Descriptions
    • Configuring the Default CentOS 6 Runlevel
    • Changing the Current Runlevel from within a Running CentOS 6 System
    • Identifying Services that Start at Each Runlevel
    • Changing the Services for a Runlevel
      
      
20. Managing CentOS 6 Users and Groups
    • Adding a New User to a CentOS 6 System
    • Editing the Properties of a User
    • Deleting a User from a CentOS 6 System
    • Adding a New Group to a CentOS 6 System
    • Modifying a CentOS 6 Group
    • Deleting a Group from a CentOS 6 System
      
      
21. Basic CentOS 6 Firewall Configuration
    • Configuring a Basic CentOS 6 Firewall
    • Configuring Firewall Settings using the Wizard
    • Configuring Firewall Port Settings
    • Configuring Other Ports
    • Configuring Trusted Interfaces
    • Masquerading
    • Port Forwarding
    • ICMP Filtering
    • Custom Rules
    • Configuring the Firewall from a Terminal using iptables
      
      
22. Configuring CentOS 6 Printers
    • Installing the Printer Management Tool
    • Installing a Directly Connected Printer
    • Manually Installing a New Locally Connected Printer and Printer Driver
    • Adding a Network Printer
    • Configuring a Printer Connected to a Windows System
    • Configuring a Printer Connected to a Remote System
      
      
23. Remote Access to the CentOS 6 Desktop
    • Installing Remote Desktop Support
    • Activating Remote Desktop Access
    • Secure and Insecure Remote Desktop Access
    • Firewall Configuration
    • Accessing a Remote CentOS 6 Desktop using vncviewer
    • Accessing a Remote CentOS Desktop from a Windows System
    • Establishing a Secure Remote Desktop Session
    • Establishing a Secure Remote Desktop Session from a Windows System
    • Creating Additional Desktops
    • Shutting Down a Desktop Session
      
      
24. Configuring CentOS 6 Remote Access using SSH
    • Installing SSH on a CentOS 6 System
    • Configuring the CentOS 6 Firewall to Allow SSH Connections
    • Using SSH on CentOS 6
    • Copying files using SSH
    • Disabling the SSH Server
      
      
25. Displaying CentOS 6 Applications Remotely (X11 Forwarding)
    • Requirements for Remotely Displaying CentOS 6 Applications
    • Remotely Displaying a CentOS 6 Application
    • Trusted X11 Forwarding
    • Compressed X11 Forwarding
      
      
26. Using NFS to Share CentOS 6 Folders with Remote Linux and UNIX Systems
    • Ensuring NFS Services are running on CentOS 6
    • Configuring the CentOS 6 Firewall to Allow NFS Traffic
    • Specifying the Folders to be Shared
    • Accessing Shared CentOS 6 Folders
    • Mounting an NFS Filesystem on System Startup
    • Unmounting an NFS Mount Point
      
      
27. Sharing Files between CentOS 6 and Windows Systems with Samba
    • Samba and Samba Client
    • Installing Samba on a CentOS 6 System
    • Configuring the CentOS 6 Firewall to Enable Samba
    • Configuring the smb.conf File
    • Configuring the [global] Section
    • Configuring a Shared Resource
    • Creating a Samba User
    • Testing the smb.conf File
    • Starting the Samba and NetBIOS Name Services on CentOS 6
    • Accessing Samba Shares
    • Accessing Windows Shares from CentOS 6
      
      
28. Configuring a CentOS 6 Based Web Server
    • Requirements for Configuring a CentOS 6 Web Server
    • Installing the Apache Web Server on CentOS 6
    • Starting the Apache Web Server
    • Testing the Web Server
    • Configuring the Apache Web Server for Your Domain
    • Web Server and Firewall Issues
      
      
29. Configuring a CentOS 6 Postfix Email Server
    • The structure of the Email System
    • Mail User Agent
    • Mail Transfer Agent
    • Mail Delivery Agent
    • SMTP
    • Configuring a CentOS 6 Email System
    • Postfix Pre-Installation Steps
    • Installing Postfix on CentOS 6
    • Configuring Postfix
    • Starting Postfix on a CentOS 6 System
      
      
30. Installing KVM Virtualization on CentOS 6
    • Full Virtualization, Para-Virtualization and Emulation
    • KVM Hardware Requirements
    • 32-bit Support for KVM on CentOS 6
    • Preparing CentOS 6 for KVM Virtualization
    • Verifying the KVM Installation
      
      
31. Creating a CentOS 6 KVM Networked Bridge Interface
    • CentOS 6 Virtual Networks and Network Bridges
    • Creating a CentOS 6 Network Bridge using virt-manager
    • Manually Creating a CentOS 6 Network Bridge
    • Configuring a CentOS 6 Firewall for a Network Bridge
    • Configuring a Virtual Machine to use the Network Bridge
      
      
32. Creating a CentOS 6 KVM Virtual Machine
    • Starting the Virtual Machine Manager
    • Configuring the KVM Virtual System
    • Starting the KVM Virtual System
      
      
33. Creating CentOS 6 Hosted KVM Virtual Machines with virt-install and virsh
    • Running virt-install to build a KVM Guest System
    • An Example CentOS 6 virt-install Command
    • Starting and Stopping a Virtual Machine from the Command Line
    • Creating a Virtual Machine from a Configuration File
      
      
34. Configuring a New CentOS 6 KVM Virtual Network
    • CentOS 6 KVM Guest Networking Options
    • Identifying the Settings of an Existing CentOS 6 KVM Virtual Network
    • Creating a New KVM Virtual Network on a CentOS 6 Host
    • Assigning the New Virtual Bridge during Virtual Machine Creation
    • Changing an Existing Virtual Machine to Use a new Virtual Network
      
      
35. Managing KVM on CentOS 6 using the virsh Command-line Tool