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How to Install CentOS

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  • Difficulty Level : Hard
  • Last Updated : 08 Jun, 2022
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CentOS is a popular open-source Linux distribution aimed at servers and provides compatibility with Red Hat’s RPM package manager. It is built with the goal of providing a stable operating system that provided great compatibility with the upstream RHEL (Red hat enterprise  Linux) CentOS is therefore one of the best free Linux distributions to utilize in server space.

Installation is divided into three parts :

  • ISO Download
  • Preparing a bootable USB
  • Final Setup

ISO Download

Before we begin the installation process, we need to download the ISO file for CentOS. For that, all the versions of CentOS are available on the official site 

Step 1: Go to the CentOS website and go to the downloads tab.

Going to CentOS website


Step 2: Click on the correct ISO file for your system architecture (most likely x86_64 for modern systems).

Selecting Architecture


Step 3: Choose a mirror to download the ISO from (preferably from mirrors in your region for better download speeds).

Selecting Mirror Image


Step 4: Download the version that says DVD-2009.iso

Download DVD-2009



Preparing a bootable USB

Step 1: Now, Connect the USB flash drive to your system.

Step 2: Use a tool like an etcher or UNetbootin, etc to flash the drive.

Flashing the drive


Note: To enter the BIOS a special hotkey is required, this key can differ from manufacturer to manufacturer and model to model. For example, the hp laptop uses F10 and ESC keys as its primary hotkeys for the step.

Final setup

Step 1: Click on the option “Install CentOS 7” and wait till Graphical Interface appears.

Graphical Interface Installation


Step 2: Choose your installation language. Here, we have chosen English.

Selecting Installation Language


Step 3: Configure options such as date and time, network configuration, etc.

Installation Summary


Step 4: Choose the software to be installed depending on the use case and familiarity with the desktop.

Software Selection


Step 5: Choose the disk where the distribution should be installed.

Disk Configuration


Step 6: Our Installation process has been started successfully. 

Installation Process


Step 7: Now, set up a root password and user account in the meanwhile.

Setting root password


Step 8: After installation is completed successfully, reboot and accept the license agreement.

Accepting Agreement


Step 9: Now, log in to the system using the credentials created in Step 6.

Log in to system


Step 10: Complete the initial setup and the system is ready for use.

Initial Setup


Step 11: We have successfully completed the installation process of CentOS.

Installation Completed


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