This document provides step-by-step instructions for installing CentOS 7 on a virtual machine. It describes pressing a key to begin installation, selecting a language, configuring installation destination and partitioning, setting up networking using DHCP, creating a root user and optional additional user, finishing installation, and rebooting. Upon first login, the document recommends verifying the IP address and disk configuration.

1. How To Install CentOS 7
Contents
Overview.......................................................................................................................................................1
Applies To......................................................................................................................................................1
Begin Installation ..........................................................................................................................................1
Press Key.......................................................................................................................................................1
Choose Language - Installation Process........................................................................................................2
Installation Summary – Installation Destination...........................................................................................2
Installation Destination – Partitioning......................................................................................................3
Installation Destination – Selected Disks..................................................................................................3
Installation Destination – Complete .........................................................................................................3
Installation Summary – Network Configuration ...........................................................................................4
Network Configuration - Enable ...............................................................................................................4
Network Configuration – IPv6...................................................................................................................5
Network Configuration – IPv4...................................................................................................................5
Network Configuration - Complete...........................................................................................................7
Begin Installation ..........................................................................................................................................7
Configuration – User Settings .......................................................................................................................8
Root User – Password...................................................................................................................................8
Create User – Administrator.........................................................................................................................9
Create User – Advanced User Configuration............................................................................................9
Create User – Completion.......................................................................................................................10
Finish Configuration....................................................................................................................................10
Reboot Server .............................................................................................................................................11
Post OS Install – First Boot..........................................................................................................................11
Login to the Host.....................................................................................................................................12
Check IP Address Configured..................................................................................................................12
Check Disk Configuration........................................................................................................................12

2. How To Install CentOS 7
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Overview
This guide will help in installing CentOS 7 operating system. In this guide we are installing the OS on a
virutal box.
Applies To
This guide applies to “CentOS 7” installation.
Begin Installation
To install CentOS 7 load and burn the ISO and boot from CD, press any key to continue installation.
Press Key
Press the “<Enter>” to begin the installation process, installation media will be scanned.

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Choose Language - Installation Process
Select the language for the installation process.
Installation Summary – Installation Destination
Select the option that you would like to configure, normally it would be “Installation Destination” option.
Click on “INSTALLATION DESTINATION”.

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Installation Destination – Partitioning
You can choose automatically or manual partitioning for automatic partitioning choose “Automatically
configure partitioning” option.
Installation Destination – Selected Disks
Select disks would be listed, you could the device name and the capacity of disk space allocated. Click on
“Close” button to continue installation process.
Installation Destination – Complete
Upon configuring partition and click on “Done” button, choose disk would be displayed.

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Installation Summary – Network Configuration
After configuring the installation destination. Click on “NETWORK & HOSTNAME” option, this can be
configured post OS installation as well.
Network Configuration - Enable
Click on “ON” button to enable the network and click on “Configure” button to update the network
configuration.

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Network Configuration – IPv6
Click on “IPv6 Settings” tab, and choose the “Method: Ignore” from the dropdown list to disable IPv6
Address allocation.
Network Configuration – IPv4
Click on “IPv4 Settings” tab, and choose the “Method: Automatic (DHCP)” from the dropdown list to
configure the Ethernet as DHCP assigned IP Address for the connection name “eno167777736”.

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Network Configuration - Complete
Click on “Done” button to complete the network configuration, DHCP IP information is displayed and also
the hostname is configured automatically if DNS is resolved.
Begin Installation
Click on “Begin Installation” button to start the installation task.

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Configuration – User Settings
In the installation process, you need to configure “Root Password”; to set the password, click on “ROOT
PASSWORD” option. Also, optionally you can create a user, to create the user click on “USER CREATION”
option.
Root User – Password
Set root user’s password and confirm the password again and click on “Done” button.

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Create User – Administrator
 Upon clicking the option “User Creation” button; create user tab would be shown. In here Set User’s
Full name, username; enter password and confirm password again;
 Choose whether the user would be part of administrator; choose require a password to use this
account; optionally click “Advanced…” button
Create User – Advanced User Configuration
 Choose option “create a home directory for this user.”; set the home directory for the user and
optionally specify user ID and group ID for the user; also add the user the groups as necessary.

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Create User – Completion
Upon filling the user information and setting user’s advanced settings click on “Done” button.
Finish Configuration
Click on “Finish Configuration” to complete the initial configuration of the server.

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Reboot Server
Click on “Reboot” button to complete the OS installation of the server.
Post OS Install – First Boot
OS Boot loader.

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Login to the Host
Login to the server with the root user and password that you had set earlier during installation process.
Check IP Address Configured
To check the IP address configured, execute the command “ip addr”.
Check Disk Configuration
Check the disk configured for the server, execute the command “df -kh”
End of Documentation.