How to Migrate CentOS to Oracle Linux

Oracle Linux is Free 100% binary-compatible with Red Hat Enterprise Linux, same as CentOS. Unlike RHEL, Oracle Linux is free even for commercial use. Oracle only charges if you need support.

Oracle provides a script to convert CentOS to Oracle Linux

https://github.com/oracle/centos2ol

This script support CentOS 6, CentOS 7 and CentOS 8.

Before you can run the convert script, make sure you have updated the system to the latest version with yum or dnf and take a backup in case anything goes wrong.

yum update

Download update centos2ol script

wget https://raw.githubusercontent.com/oracle/centos2ol/main/centos2ol.sh

Convert your CentOS installation to Oracle Linux with the command

bash centos2ol.sh -V

Reboot the server

reboot