CentOS is an open source distribution of Linux, derived from the RedHat Linux operating system. CentOS versions are known for their particularly long lifecycles; Since CentOS 5, each version is supported for 10 years through regular updates. The result is a secure, low maintenance, reliable, predictable and reproducible environment.
The end of life of CentOS 6
November 30, 2020 marks the end-of-life (EOL) of CentOS 6. Since that date, this Linux distribution no longer receives security updates and bug fixes. Thus, the use of a server with this obsolete operating system constitutes a major risk.
How to check the CentOS version?
Several methods exist to check the CentOS version of a server. The easiest way is to connect to the server using ssh and run this command:
# cat /etc/centos-release
What if I have a server running CentOS 6?
If one of your servers is running CentOS 6, you have several options:
In-place upgrade to CloudLinux 6
CloudLinux is a Linux operating system that is highly compatible and works with all software commonly used with CentOS and RHEL.
CloudLinux 6 has extended support until June 30, 2024, and converting from CentOS 6 is straightforward, done in-place, and takes only a few minutes. This will give you more time to port and test your applications, and ensure a solid and secure platform for your critical processes.
If you are an Heberjahiz customer, you should contact the sales department for more information regarding CloudLinux 6 licenses.
Migration to a new CentOS 7 or CentOS 8 server (recommended)
The end of life of CentOS 7 is scheduled for June 30, 2024 and December 31, 2021 of CentOS 8. You can proceed with the migration in 2 ways:
- Deploy a new server with CentOS 7 or CentOS 8 then migrate your data. Hence there will be no downtime will be deplored.
- Perform a remote backup of your data, perform a new installation of CentOS 7 or CentOS 8 (OS Reload), then restore your data from your backup.
In-place upgrade from CentOS 6 to CentOS 7 (not recommended)
In-place upgrade from CentOS 6 to CentOS 7 is possible but is not recommended because it may cause system failures.
If you are an Heberjahiz customer and you have a machine running CentOS 6, our team of experts is at your disposal to provide advice and guide you towards the solution that will best meet your expectations.