CentOS 6.3 Installation

1. How to Install CentOS 6.3
Contents
Overview.......................................................................................................................................................1
Applies To......................................................................................................................................................1
Step 1: Installation Type ...............................................................................................................................1
Step 2: Disk Test............................................................................................................................................1
Step 3: Main Page – Installation Process......................................................................................................2
Step 4: Select your Language – Installation Process.....................................................................................2
Step 5: Choose the Keyboard........................................................................................................................3
Step 6: Type of Devices.................................................................................................................................3
Step 7: Storage Device ..................................................................................................................................4
Step 8: Configure the network – hostname..................................................................................................4
Step 10: Configure Network Connections (IPV4) & DHCP ............................................................................5
Step 11: Configure Network Connections (IPV6)..........................................................................................5
Step 12: Configure Time Zone.......................................................................................................................5
Step 13: Set Root User password..................................................................................................................6
Step 14: Disk Layout......................................................................................................................................6
Step 14(a): Encrypt System (optional) ......................................................................................................7
Step 15: Partition Disks (LVM) ......................................................................................................................7
Step 16: Format Disks ...................................................................................................................................8
Step 17: Write Storage Configuration...........................................................................................................8
Step 18: Configure Boot Loader....................................................................................................................9
Step 19: Package Group Selection ................................................................................................................9
Step 20: Finish Install ..................................................................................................................................10

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Overview
This Guide will help you in installing CentOS 6.3 version – fresh install.
Applies To
CentOS 6.3 64 Bit
Step 1: Installation Type
Choose the installation type (new install or upgrade).
Step 2: Disk Test
If you are installing from an ISO on a virtual machine you could choose option “skip”, to continue
installation.

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Step 3: Main Page – Installation Process
Click on “Next” button to start the installation process.
Step 4: Select your Language – Installation Process
Select the language for the installation process and click on “Next” button.

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Step 5: Choose the Keyboard
Select the keyboard for the Operating system and click on “Next” button.
Step 6: Type of Devices
Choose the storage device wherein the Operating system needs to be installed and click on “Next” button.

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Step 7: Storage Device
Validate the disk for installation of the Operating system, for fresh install you need to choose the option
“Yes, discard any data” also you could choose the option “Apply my choice to all the devices with
undetected partitions or filesystems” to continue.
Step 8: Configure the network – hostname
Enter the hostname to be set for the computer where you are installing the operating system.
Choose “Configure Network” for network card configuration.
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Step 10: Configure Network Connections (IPV4) & DHCP
Configure Network card, for DHCP select “Automatic (DHCP)”.
Step 11: Configure Network Connections (IPV6)
Step 12: Configure Time Zone
Choose the region / City and select “System clock uses UTC”; UTC option is used to determine the offset
between the local time and UTC on the system clock.

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Step 13: Set Root User password
Set the root user password and confirm by re-entering it and click on “Next” button.
Step 14: Disk Layout
Choose the disk layout, optionally you can also choose “Encrypt System”.

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Step 14(a): Encrypt System (optional)
If you choose to encrypt system, you have to set the passphrase.
Note: The passphrase / password that you set is required to boot the system every time.
Step 15: Partition Disks (LVM)
Based on the previous installation type; you can customize it as well, to customize, click on reset and
create partition accordingly.

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Step 16: Format Disks
After selecting the drive, you should confirm to format the listed drive, click on “Format” button.
Step 17: Write Storage Configuration
Click on “Write changes to disk” option to accept the configured disk layout and write changes.

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Step 18: Configure Boot Loader
In order to boot the OS without the media, you need to install boot loader. Boot loader is the first program
that run’s when you boot, which takes control to the OS Kernel, which in turn initializes the rest of the
operating system. Choose the “Install boot loader on <device ID/ Disk Partition>” and click on “Next”
button.
Step 19: Package Group Selection
Choose the packages to be installed along with OS installation process. You can install further later on by
choosing the option “Customize later”. Also choose the additional repository for software installation.

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Step 20: Finish Install
After installation click on the option “Reboot” to complete the installation process and to reboot the
system, ensure that you remove installation media.