Build Docker images for deployment on non-x86 architecture

When building a Docker container image, in most cases, the machine where you build it on runs on the same CPU architecture as where you eventually want to use it. Today, more and more, there is a need for deploying containers on a different architecture as where it was built on. The most common scenario would be to build on your regular x86 desktop and to deploy to an ARM variant.

Continue reading

Install and use CentOS 8 or RHEL 8 as KVM virtualization host

There are many possibilities to turn your machine into a host for virtual machines, emulating one or more separate and isolated computers. Among the popular commercial products from VMWare or Hyper-V on Windows, KVM is a great and mature alternative for full virtualization with great stability and performance. This guide will explain you step by step, from the start how to get this up and running.

Continue reading