Red Hat Enterprise Linux 6 Essentials

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		About RHEL 6 Essentials

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You are reading a sample chapter from the RHEL 6 Edition book. Purchase the fully updated Red Hat Enterprise Linux 8 (RHEL 8) Edition of this publication in eBook ($9.99) or Print ($36.99) format Red Hat Enterprise Linux 8 Essentials Print and eBook (ePub/PDF/Kindle) editions contain 31 chapters and over 250 pages

Red Hat Enterprise Linux 6 Essentials is an online book designed to provide everything a user needs to know to install, use and administer an RHEL 6 Linux system.

About RHEL 6 Essentials A Brief History of Red Hat Linux Installing RHEL 6 on a Clean Disk Drive Obtaining the Red Hat Enterprise Linux Installation Media Installing Red Hat Enterprise Linux 6 Timezone and the Root Password Partitioning a Disk for RHEL 6 Package Selection The Physical Installation Final Configuration Steps Performing an RHEL 6 Network Installation RHEL 6 Network Installation Requirements Obtaining a Network Boot Image Writing the Boot Image to a USB Flash Drive Configuring the Network Installation Starting the Red Hat Enterprise Linux 6 Network Installation Installing RHEL 6 with Windows in Dual Boot Environment Partition Resizing Shrinking the Windows Partition from within Linux Choosing an Operating System at Boot Time Editing the RHEL 6 Boot Menu Accessing the Windows Partition from RHEL 6 Allocating a Windows Disk Partition to RHEL 6 Deleting the Windows Partition from the Disk Formatting the Unallocated Disk Partition Editing the Boot Menu Mounting the New Partition Logging into the RHEL 6 GNOME Desktop Configuring RHEL 6 GNOME Screen Resolution and Multiple Monitors Configuring the RHEL Display Resolution Changing Display Orientation Configuring Multiple Monitors A Guided Tour of the RHEL 6 GNOME Desktop The RHEL 6 GNOME Desktop The Desktop Background The Desktop Panels Configuring the RHEL 6 GNOME Desktop Background The RHEL 6 GNOME Slideshow Background Changing the RHEL 6 GNOME Desktop Background Selecting a Background from the Wallpaper List Creating a Solid or Graded Background Specifying a Background Image Installing and Customizing RHEL 6 Desktop Themes What is a Desktop Theme? Changing the RHEL 6 Desktop Theme Downloading and Installing a Theme Creating a Custom RHEL Theme Package Configuring RHEL 6 Desktop Fonts Font Options on RHEL 6 Changing Font Settings Font Rendering Settings RHEL 6 Advanced Font Rendering Configuring the RHEL 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 RHEL 6 GNOME Desktop Panel Adding Menus to a Panel Changing the Number of RHEL Desktop Workspaces Configuring the RHEL 6 Desktop Menu System Installing the alacarte Package Customizing an RHEL 6 Desktop Menu Moving Menu Items Adding and Deleting a Menu Item Browsing the System, Files and Folders on the RHEL 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 RHEL 6 Nautilus File Manager Displaying Icons or Lists Configuring the List View Configuring the Icon View Configuring Media Settings RHEL 6 Desktop - Starting Applications on Login Session Managed and Non-Session Managed Programs Configuring Desktop Startup Programs Saving the Current Session Configuring RHEL 6 Desktop Keyboard Shortcuts Viewing Keyboard Shortcuts Changing a Shortcut Disabling a Keyboard Shortcut Adding a Custom Shortcut Using the Bash Shell on Red Hat Enterprise Linux 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 Configuring RHEL 6 Runlevels and Services Understanding RHEL 6 Runlevels Understanding RHEL 6 Services RHEL Runlevels Descriptions Configuring the Default RHEL 6 Runlevel Changing the Current Runlevel from within a Running RHEL 6 System Identifying Services that Start at Each Runlevel Changing the Services for a Runlevel Managing RHEL 6 Users and Groups Adding a New User to an RHEL 6 System Editing the Properties of a User Deleting a User from an RHEL System Adding a New Group to an RHEL 6 System Modifying an RHEL 6 Group Deleting a Group from an RHEL System Basic RHEL 6 Firewall Configuration Configuring a Basic RHEL 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 RHEL 6 Printers 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 RHEL 6 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 RHEL 6 Remote Access using SSH Installing SSH on an RHEL 6 System Configuring the RHEL Firewall to Allow SSH Connections Using SSH on RHEL Copying files using SSH Disabling the SSH Server Displaying RHEL 6 Applications Remotely (X11 Forwarding) Requirements for Remotely Displaying RHEL 6 Applications Remotely Displaying an RHEL 6 Application Trusted X11 Forwarding Compressed X11 Forwarding Using NFS to Share RHEL 6 Folders with Remote Linux and UNIX Systems Ensuring NFS Services are running on RHEL 6 Configuring the RHEL 6 Firewall to Allow NFS Traffic Specifying the Folders to be Shared Accessing Shared RHEL 6 Folders Mounting an NFS Filesystem on RHEL System Startup Unmounting an NFS Mount Point Sharing Files between RHEL 6 and Windows Systems with Samba Samba and Samba Client Installing Samba on an RHEL 6 System Configuring the RHEL 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 RHEL 6 Accessing Samba Shares Accessing Windows Shares from RHEL 6 Configuring an RHEL 6 Based Web Server Requirements for Configuring an RHEL 6 Web Server Installing the Apache Web Server on RHEL 6 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 6 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 6 Configuring Postfix Starting Postfix on an RHEL System Installing KVM Virtualization on RHEL 6 Full Virtualization, Para-Virtualization and Emulation KVM Hardware Requirements 32-bit Support for KVM on RHEL 6 Preparing RHEL 6 for KVM Virtualization Verifying the KVM Installation Creating an RHEL 6 KVM Networked Bridge Interface RHEL 6 Virtual Networks and Network Bridges Creating an RHEL 6 Network Bridge Configuring an RHEL 6 Firewall for a Network Bridge Configuring a Virtual Machine to use the Network Bridge Creating an RHEL 6 KVM Virtual Machine Starting the Virtual Machine Manager Configuring the KVM Virtual System Starting the KVM Virtual System Creating RHEL 6 Hosted KVM Virtual Machines with virt-install and virsh Running virt-install to build a KVM Guest System An Example RHEL 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 RHEL 6 KVM Virtual Network RHEL 6 KVM Guest Networking Options Identifying the Settings of an Existing RHEL 6 KVM Virtual Network Creating a New KVM Virtual Network on an RHEL 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 RHEL 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 Guest OS Managing and Monitoring RHEL 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 RHEL 6 Host Adding a New Disk Drive to an RHEL 6 System Mounted Filesystems or Logical Volumes Getting Started Finding the New Hard Drive in RHEL 6 Creating Linux Partitions Creating a Filesystem on an RHEL 6 Disk Partition Mounting a Filesystem Configuring RHEL 6 to Automatically Mount a Filesystem Adding a New Disk to an RHEL 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 an RHEL 6 Volume Group from the Command Line Adding and Managing RHEL 6 Swap Space What is Swap Space? Recommended Swap Space for RHEL 6 Identifying Current Swap Space Usage Adding a Swap File to an RHEL 6 System Adding Swap to an RHEL 6 LVM Swap Volume Adding Swap Space to the Volume Group

eBookFrenzy.com

You are reading a sample chapter from the RHEL 6 Edition book. Purchase the fully updated Red Hat Enterprise Linux 8 (RHEL 8) Edition of this publication in eBook ($9.99) or Print ($36.99) format Red Hat Enterprise Linux 8 Essentials Print and eBook (ePub/PDF/Kindle) editions contain 31 chapters and over 250 pages

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	Table of Contents	Next
		About RHEL 6 Essentials