CentOS

Comparison of support cycles RHEL and Clones

This blog is a comparison about the support periods of RHEL and the RHEL clones like AlmaLinux, Enterprise Linux, Oracle Linux and Rocky Linux and a look back to CentOS. CentOS Stream is a pre release of(…)

Migrating from CentOS 8 to AlmaLinux 8

In our blogs we already talked about Migrating a CentOS 7 EC2 instance to Rocky Linux 8 and CentOS 8 machine to Red Hat 8 , but how does it look(…)

Migrating a CentOS 7 EC2 instance to Rocky Linux 8

Some time ago I've written about migrating a CentOS 8 machine to Red Hat 8, because CentOS 8 reached end of life last December. We did that for all CentOS 8 installations at that(…)

Switching from CentOS 8 to Red Hat 8

We have quite a few customers still running on CentOS 8 and you probably already are aware that CentOS 8 will be end of life by the end of this year. This forces a(…)

Automating Linux patching with Ansible

Since the beginning of the year, several vulnerabilities have been discovered in the Linux Kernel as well as in others important and widely-used packages. Among them, there was the famous CVE-2021-3156 affecting the sudo package and allowing(…)

Attaching your own CentOS 7 yum repository to AWS SSM

From some blogs I've written in the past you might already know that we are using AWS SSM to patch and maintain the complete EC2 and onprem instances at one of our customers. The previous posts(…)

Install CentOS 8 on VirtualBox

Last days, I needed to test our DMK tool for the new MySQL and MariaDB releases on the most recent version of CentOS. Here you can find all important steps to configure(…)