CentOS 6 Essentials

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		About CentOS 6 Essentials

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About CentOS 6 Essentials 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 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 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 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 Logging into the CentOS 6 GNOME Desktop Configuring CentOS 6 GNOME Screen Resolution and Multiple Monitors Configuring the CentOS 6 GNOME Desktop Display Resolution Changing Display Orientation Configuring Multiple Monitors A Guided Tour of the CentOS 6 GNOME Desktop The GNOME 6 GNOME Desktop The Desktop Background The Desktop Panels 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 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 Configuring CentOS 6 Desktop Fonts Font Options on CentOS 6 Changing Font Settings Font Rendering Settings Advanced Font Rendering 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 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 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 Configuring the CentOS 6 Nautilus File Manager Displaying Icons or Lists Configuring the List View Configuring the Icon View Configuring Media Settings 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 Starting CentOS 6 Desktop Applications on Login Session Managed and Non-Session Managed Programs Configuring Desktop Startup Programs Saving the Current Session Configuring CentOS 6 Desktop Keyboard Shortcuts Viewing Keyboard Shortcuts Changing a Shortcut Disabling a Keyboard Shortcut Adding a Custom Shortcut 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 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 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 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 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 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 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 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 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 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 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 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 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 Creating a CentOS 6 KVM Virtual Machine Starting the Virtual Machine Manager Configuring the KVM Virtual System Starting the KVM Virtual System 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 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 Managing KVM on CentOS 6 using the virsh Command-line Tool The virsh Shell and Command Line Listing Guest System Status Starting a Guest System Connecting to a Running Guest System Shutting Down a Guest System Suspending and Resuming a Guest System Saving and Restoring Guest Systems Rebooting a Guest System Configuring the Memory Assigned to a Guest OS Managing and Monitoring CentOS 6 based KVM Guest Systems Starting and Stopping KVM Guest Systems Pausing a KVM Guest Operating System Changing KVM Virtual Guest System Settings Monitoring Virtual Machine Performance Monitoring Performance of the CentOS 6 Host Monitoring Performance of the CentOS 6 Host|Starting and Stopping KVM Guest Systems Monitoring Performance of the CentOS 6 Host|Pausing a KVM Guest Operating System Monitoring Performance of the CentOS 6 Host|Changing KVM Virtual Guest System Settings Monitoring Performance of the CentOS 6 Host|Monitoring Virtual Machine Performance Monitoring Performance of the CentOS 6 Host|Monitoring Performance of the CentOS 6 Host Adding a New Disk Drive to a CentOS 6 System Mounted File Systems or Logical Volumes Getting Started Finding the New Hard Drive in CentOS 6 Creating Linux Partitions Creating a File System on a CentOS 6 Disk Partition Mounting a File System Configuring CentOS 6 to Automatically Mount a File System Adding a New Disk to a CentOS 6 Volume Group and Logical Volume An Overview of Logical Volume Management (LVM) Volume Group (VG) Physical Volume (PV) Logical Volume (LV) Physical Extent (PE) Logical Extent (LE) Getting Information about Logical Volumes Adding Additional Space to a CentOS 6 Volume Group from the Command Line Adding and Managing CentOS 6 Swap Space What is Swap Space? Recommended Swap Space for CentOS 6 Identifying Current Swap Space Usage Adding a Swap File to a CentOS 6 System Adding Swap to a CentOS 6 LVM Swap Volume Adding Swap Space to the Volume Group

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		About CentOS 6 Essentials