Introduction: Convert from CentOS 8 to AlmaLinux 8
Are you ready to embark on an exciting journey of transformation? If you’ve recently received a message from cPanel urging you to update CentOS, then we have some thrilling news for you! Say goodbye to CentOS 8 and get ready to welcome the remarkable AlmaLinux 8 into your system. In this blog post, we will through of converting from CentOS 8 to AlmaLinux 8. Get ready to unleash the power of this cutting-edge operating system as we dive into the setup below. Let’s get started on this electrifying adventure together!
How to convert from CentOS 8 to AlmaLinux 8 – Hi if you received this message from cPanel and you want to update centos thank please follow the setup below
CentOS 8 will reach End of Life (EOL) on all systems on December 31, 2021. This means that after this date, CentOS will no longer provide bug, security, or feature updates to CentOS 8. We encourage you to convert to AlmaLinux 8 before December 31, 2021.
Only system administrators (root and root-level resellers) see this message.
Before we proceed with the conversion, let’s first understand what AlmaLinux 8 and CentOS 8 are all about. We will explore their features, similarities, and differences to help you make an informed decision.
Preparing for the Conversion
In this section, we will cover the necessary steps to prepare your system for the conversion process. This includes ensuring your system is up to date, disabling certain repositories, and backing up your data in case of any unexpected issues.
Taking Backup and Data Migration
Backing up your data is crucial before any major system changes. We will guide you on how to backup your important files and perform a smooth data migration process.
Disabling CentOS 8 Repositories
To smoothly transition to AlmaLinux 8, we need to disable the CentOS 8 repositories. We will walk you through the process of disabling these repositories and avoiding any conflicts during the conversion.
Download the almalinux-deploy script:
curl -O https://raw.githubusercontent.com/AlmaLinux/almalinux-deploy/master/almalinux-deploy.sh
Run the script:
Complete! Run dnf distro-sync -y OK Restoring of alternatives is done OK Generating grub configuration file ... done All Secure Boot related packages which were released by not AlmaLinux are reinstalled OK Migration to AlmaLinux is completed
Verify that the installation is complete:
Check release file
$ cat /etc/redhat-release AlmaLinux release 8.4 (Electric Cheetah)
Check that the system boots AlmaLinux kernel by default
$ sudo grubby --info DEFAULT | grep AlmaLinux title="AlmaLinux (4.18.0-305.el8.x86_64) 8.4"
Enabling AlmaLinux 8 Repositories
Next, we will guide you through enabling the AlmaLinux 8 repositories. This will ensure that your system can access the necessary packages and software needed for the conversion.
More information about the conversion script is available in the AlmaLinux GitHub here:
Compatibility of CentOS 8 Applications with AlmaLinux 8
One of the concerns when migrating to a new operating system is the compatibility of existing applications. We will discuss the compatibility of CentOS 8 applications with AlmaLinux 8 and provide guidance on ensuring smooth operation.
Keeping your system updated is essential for a smooth transition. In this section, we will show you how to update all packages on your CentOS 8 system before proceeding with the conversion.
Adjusting Software and Dependencies
Certain software and dependencies may need adjustments during the conversion process. We will provide you with instructions on how to handle these adjustments to ensure compatibility with AlmaLinux 8.
Verifying System Compatibility with AlmaLinux 8
Before proceeding with the actual conversion, it’s crucial to verify the compatibility of your system with AlmaLinux 8. We will guide you through the verification process to avoid any potential issues.
Performing the Conversion
Now that we have completed all the necessary preparations, it’s time to perform the actual conversion from CentOS 8 to AlmaLinux 8. We will walk you through the step-by-step process to ensure a successful transition.
After the conversion is complete, there are some post-conversion tasks that should be performed. We will cover these tasks and guide you on how to ensure that your system is fully functional on AlmaLinux 8.
In conclusion, this guide has provided you with a step-by-step process for converting from CentOS 8 to AlmaLinux 8. We have covered everything from understanding the differences between the two operating systems to performing the actual conversion. By following this guide, you can seamlessly transition to AlmaLinux 8 with confidence.