Download CentOS 7
Create Bootable USB or DVD
Now that you have downloaded the ISO image, you can create a bootable USB, burn it on a DVD or load the image on a VM.
Boot the CentOS ISO File
Upon booting the CentOS 7 ISO file, you can begin the installation process. To do so, select Install CentOS 7. That will start the installer’s graphical interface.
Install CentOS
Before starting the installation process itself, select which language you would like to use during installation.
Click Continue to confirm your selection.
There are a couple of settings you would want to configure. All items marked with a warning icon must be configured before you begin the installation.
System configurations outlined below may differ based on use case.
Select the Software Selection option under the Software heading. You will see a list of predefined Base Environment options and optional add-ons. This part entirely depends on your needs.
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Minimal Install. This is the most flexible and least resource-demanding option. Excellent for production environment servers. Be prepared to customize the environment.
When you have selected the base environment and optional add-ons, click the Done button. Wait for the system to check for software dependencies before you move on to the next option.
Select Installation Destination
Click the Installation Destination option under the System heading. Check your machine’s storage under the Local Standard Disks heading. CentOS 7 will be installed on the selected disk.
Check the box to encrypt my data and automatically configure partitioning and select the disks
After that click on done and you will need to enter a passphrase to remember, confirm it and the disk will be set up as encrypted.
Reclaim disk space
Network and Hostname
Click the Network & Host Name option under the System heading.
For the hostname, type in the fully qualified domain name of your system.
Select Configure… and select to add IPv4 settings or IPv6 settings depending on what you have. Add static IP addresses to help identify your computer on the network. Bear in mind that your network environment’s settings define these values.
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Select Manual from the Method
Click the Add button to add a static IP address.
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Enter the information for your network domain.
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IP Address
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Netmask Address
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Gateway Address
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DNS Servers Address
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Click Save to confirm your changes.
By default, all detected connections are disabled. Click the ON/OFF toggle to enable the connection.
Start the Installation Process
Once everything is set up according to your liking, hit Begin Installation to start the install. This will start the initial installation process.
Define Root Password
To define the root user, select the Root Password icon.
Select a Root Password and re-enter it in Confirm field.
Click the Done button to proceed.
Wait for the installation process to complete.
Before you start using your new CentOS installation, reboot the system. Click the Reboot button.
After each system restart, you will need to enter the passphrase.
