How to Update CentOS to Latest Version [CentOS 6, 7, 8]

Most of the users is looking to update CentOS version to its latest version because of the compatibility issue most of them are facing while installing any applications

Updated: 06 Apr, 23 by Elizabet J 3 Min

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One of the most important issues in managing a server is maintaining its security(Linux Server security), and how to to keep the server up to date which in turn will keep your servers in an A1 state with optimal speed and security. Now, in this article, we're going to provide you with a detailed guideline about how to update CentOS version to its latest version or how you can keep your system up-to-date?
Before starting the updates it should be noted that downloading the server data and in particular the ones that are mentioned below are necessary for updating. This is because if you encounter problems with the services or the server itself, you can restore it.

A few points before updating the operating system

  • Backup all system partition information
  • Backing up configuration files for services like Apache, Nginx, etc.
  • Backing up databases
  • Backing up website information if available
  • Backup the settings of running services

After ensuring backup, you can now upgrade CentOS operating system.

Here you will get a brief step-by-step guide on how to upgrade CentOS version to its latest version. Lets dive:

Step 1. How to connect to your server?

To know more about this you can visit our blog post

Step 2. Check the current version of CentOS

Enter the following Linux command to display the current operating system information and its version.

cat / etc / redhat-release

The output of the above command will be the same as the following.

CentOS Linux release 7.3.1503 (Core)

The output command representing is the current CentOS version displayed with the number 7.3.1503. Now, if a newer version is released than this version, continue the steps to update your operating system.

Step 3. Clean up and update Centos version

Enter the following commands in order for the operating system to be cleaned and updated.

yum clean all
yum update

Step 4. Reboot Command

After completing the above steps, complete the following command to reboot the operating system.


Step 5. Display the Latest version of CentOS

After the server rises, you can now enter the following command to display the new version of CentOS 7.

cat / etc / redhat-release

The output of the above command will be the same as below.

CentOS Linux release 7.4.1708 (Core)

In this tutorial, we have given you a brief step-by-step guide about how to update CentOS from CentOS version 7.3.1503 to version 7.4.1708 and other necessary information about it. We also notified you that before upgrading your system to the latest one take a backup of your file. 

If this guide helps you and solved your problem statement then share it with others and if do you have any other way to get this job done then you can let us know with the listed comment section.

You can also proceed with the same steps carefully on your Linux server.

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Elizabet J

Elizabet J

One OF my major goals is getting new experiences about ICT and what’s more making progress through this field.