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		About RHEL 5 Essentials

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Purchase and download the full PDF and ePub versions of this RHEL 5 eBook for only $9.99 PDF/ePub edition contains 40 chapters and over 250 pages. RHEL 6 Edition of this ebook now also available for purchase. Learn more.

Red Hat Enterprise Linux 5 Essentials is an online book designed to provide everything a user needs to know to install, use and administer an RHEL 5 Linux system.

© 2012 Neil Smyth / Payload Media. This eBook is provided for personal use only. Unauthorized use, reproduction and/or distribution strictly prohibited. All rights reserved.

About RHEL 5 Essentials Installing RHEL 5 on a Clean Disk Drive Obtaining the Red Hat Enterprise Linux Installation Media Installing Red Hat Enterprise Linux Partitioning a Disk for RHEL Configuring Networking Settings Timezone and the Root Password Package Selection The Physical Installation Final Configuration Steps Performing an RHEL 5 Network Installation RHEL Network Installation Requirements Obtaining a Network Boot Image Configuring the Network Installation Starting the Red hat Enterprise Linux 5 Network Installation Installing RHEL 5 with Windows in Dual Boot Environment Partition Resizing Shrinking a Windows XP Partition Choosing an Operating System at Boot Time Editing the RHEL Boot Menu Accessing the Windows Partition from RHEL Allocating a Windows Disk Partition to RHEL 5 Deleting the Windows Partition from the Disk Formatting the Unallocated Disk Partition Editing the Boot Menu Mounting the New Partition Logging into the RHEL 5 GNOME Desktop Configuring RHEL 5 GNOME Screen Resolution and Multiple Monitors Configuring the RHEL Display Resolution Configuring Multiple Monitors A Guided Tour of the RHEL 5 GNOME Desktop The RHEL 5 GNOME Desktop The Desktop Background The Desktop Panels Configuring the RHEL 5 GNOME Desktop Background Changing the RHEL 5 GNOME Desktop Background Selecting a Background from the Wallpaper List Creating a Solid or Graded Background Specifying a Background Image Installing and Customizing RHEL 5 Desktop Themes What is a Desktop Theme? Changing the RHEL 5 Desktop Theme Downloading and Installing a Theme Creating a Custom RHEL Theme Package Configuring RHEL 5 Desktop Fonts Font Options on RHEL Changing Font Settings Font Rendering Settings RHEL Advanced Font Rendering Accessing the System Font Folder Configuring the RHEL 5 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 RHEL 5 GNOME Desktop Panel Adding Menus to a Panel Changing the Number of RHEL Desktop Workspaces Configuring the RHEL 5 Desktop Menu System Customizing an RHEL Desktop Menu Moving Menu Items Adding and Deleting a Menu Item Browsing My Computer, Files and Folders on the RHEL 5 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 RHEL 5 File Manager Displaying Icons or Lists Configuring the List View Configuring the Icon View RHEL 5 Desktop Startup Programs and Session Configuration Session Managed and Non-Session Managed Programs Understanding Sessions Creating a New Session Configuring Session Preferences Configuring the Current Session Configuring Startup Programs RHEL 5 Desktop Keyboard Shortcuts Viewing Keyboard Shortcuts Changing a Shortcut Disabling a Keyboard Shortcut Managing RHEL 5 Users and Groups Adding a New User to am RHEL System Editing the Properties of a User Deleting a User from an RHEL System Adding a New Group to an RHEL System Modifying an RHEL Group Deleting a Group from an RHEL System Configuring RHEL 5 Runlevels and Services Understanding RHEL Runlevels Understanding RHEL Services RHEL Runlevels Descriptions Configuring the Default RHEL Runlevel Changing the Current Runlevel from within a Running RHEL System Identifying Services that Start at Each Runlevel Changing the Services for a Runlevel Basic RHEL 5 Firewall Configuration Configuring a Basic RHEL 5 Firewall Enabling and Disabling the Firewall Configuring Firewall Port Settings Configuring Other Ports Firewall Configuration from a Terminal using lokkit Masquerading Remote Access to the RHEL 5 Desktop Installing Remote Desktop Support Activating Remote Desktop Access Secure and Insecure Remote Desktop Access Firewall Configuration Accessing a Remote RHEL Desktop using vncviewer Accessing a Remote RHEL 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 the Remote Desktop Environment Configuring RHEL 5 Remote Access using SSH Installing SSH on an RHEL System Configuring the RHEL Firewall to Allow SSH Connections Using SSH on RHEL Copying files using SSH Disabling the SSH Server Displaying RHEL 5 Applications Remotely (X11 Forwarding) Requirements for Remotely Displaying RHEL Applications Remotely Displaying an RHEL Application Trusted X11 Forwarding Compressed X11 Forwarding Using NFS to Share RHEL 5 Folders with Remote Linux and UNIX Systems Ensuring NFS Services are Running on RHEL 5 Configuring the RHEL Firewall to Allow NFS Traffic Specifying the Folders to be Shared Accessing Shared RHEL Folders Mounting an NFS Filesystem on RHEL System Startup Unmounting an NFS Mount Point Sharing Files Between RHEL 5 and Windows Systems with Samba Samba and Samba Client Installing Samba on an RHEL System Starting the Samba Service on RHEL Configuring the RHEL Firewall to Enable Samba Configuring Samba Users and Resource Sharing Accessing Windows Shares from RHEL Configuring an RHEL 5 Based Web Server Requirements for Configuring an RHEL 5 Web Server Installing the Apache Web Server on RHEL Starting the Apache Web Server Testing the Web Server Configuring the Apache Web Server for Your Domain Web Server and Firewall Issues Configuring an RHEL 5 Postfix Email Server The structure of the Email System Mail User Agent Mail Transfer Agent Mail Delivery Agent SMTP Configuring an RHEL Email System Postfix Pre-Installation Steps Installing Postfix on RHEL Configuring Postfix Starting Postfix on an RHEL System Installing and Configuring RHEL 5 Xen Virtualization Full Virtualization vs. Para-Virtualization Checking Xen Hardware Compatibility Adding the Red Hat Enterprise Linux 5 Virtualization Channel to the System Preparing RHEL for Xen Virtualization Building an RHEL Xen Guest System Using Xen Full Virtualization to Run Windows on RHEL 5 Hardware Requirements for Xen-based Full Virtualization on RHEL Preparing the Guest OS Installation Media Creating the New Virtual Machine Configuring Xen Virtualization Method Selecting Installation Media Configuring Storage Configuring Network Access Creating and Starting the New Xen Virtual Machine Managing and Monitoring RHEL 5 based Xen Guest Systems Starting and Stopping RHEL Xen Guest Systems Pausing an RHEL 5 Xen Guest Operating System Changing Xen Guest Operating System Settings Monitoring Virtual Machine and Host Performance Configuring a New RHEL 5 Xen Virtual Network RHEL Xen Guest Networking Options Identifying the Settings of an Existing RHEL Xen Virtual Network Creating a New Xen Virtual Network on an RHEL Host Assigning the New Virtual Bridge during Virtual Machine Creation Changing an Existing Virtual Machine to Use a new Virtual Network Managing Xen on RHEL 5 using the xm and virsh Command-line Tools xm Command-line vs virsh Shell Listing Guest System Status Starting a Xen Guest System Connecting to a Running Xen Guest System Shutting Down a Guest System Pausing and Resuming a Guest System Suspending and Resuming an RHEL Guest OS Saving and Restoring Xen Guest Systems Rebooting a Guest System Configuring the Memory Assigned to a Xen Guest OS Migrating a Domain to a Different Host Installing KVM Virtualization on RHEL 5 KVM Hardware Requirements 32-bit Support for KVM on RHEL 5 Adding the Red Hat Enterprise Linux 5 Virtualization Channel to the System Preparing RHEL for KVM Virtualization Verifying the KVM Installation Creating an RHEL 5 KVM Networked Bridge Interface RHEL 5 Virtual Networks and Network Bridges Creating a Network Bridge Configuring an RHEL 5 Firewall for a Network Bridge Configuring a Virtual Machine to use the Network Bridge Creating an RHEL 5 KVM Virtual Machine Starting the Virtual Machine Manager Creating the New RHEL 5 based KVM Virtual Machine Configuring the Installation Method Configuring the KVM Virtual Storage Configuring KVM Network Settings Configuring KVM Virtual Machine Memory and CPU Settings Starting the New KVM Virtual Machine Creating Xen and KVM RHEL 5 Virtual Machines from the Command-line (virt-install and virsh) Running virt-install to build the KVM or Xen Guest System An Example RHEL 5 virt-install Command Starting and Stopping a Virtual Machine from the Command Line Creating a Virtual Machine from a Configuration File Managing and Monitoring RHEL 5 based KVM Guest Systems Starting and Stopping RHEL based KVM Guest Systems Pausing a KVM Guest Operating System Changing KVM Virtual Guest System Settings Monitoring Virtual Machine Performance Monitoring Host Performance Adding a New Disk Drive to an RHEL 5 System Mounted File Systems vs. Logical Volumes Getting Started Finding the New Hard Drive in RHEL 5 Creating Linux Partitions Creating a File System on an RHEL Disk Partition Mounting a File System Configuring RHEL 5 to Automatically Mount a File System Adding a New Disk to an RHEL 5 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 an RHEL Volume Group from the Command Line Adding and Managing RHEL 5 Swap Space What is Swap Space? Recommended Swap Space for RHEL 5 Identifying Current Swap Space Usage Adding a Swap File to an RHEL System Adding Swap to an RHEL LVM Swap Volume Adding Swap Space to the Volume Group

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Purchase and download the full PDF and ePub versions of this RHEL 5 eBook for only $9.99 PDF/ePub edition contains 40 chapters and over 250 pages. RHEL 6 Edition of this ebook now also available for purchase. Learn more.

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	Table of Contents	Next
		About RHEL 5 Essentials