OpenStack can be seen as a set of projects which combined into a configuration can deliver a management solution for different use-cases. However, several of these projects can also exist on their own to provide a certain functionality, such as Keystone, Ironic, etc. Some of these I will describe in …

In a previous article I have written on how easy it is to stand up a test environment of OpenShift. In this article I will describe an example application from the sourcecode to the created image and how this gets deployed. The steps are explained using manual steps, and how …

If you install Docker on a new Fedora or CentOS system, it is very likely that you use devicemapper. Especially in the case of Fedora cloud images, no special configuration is done to the image. While Atomic images come pre-configured with a dedicated pool. Using devicemapper with loopback can lead …

In my previous article I described how I used an Ansible playbook and a few roles to stand-up a Kubernetes test environment. In that article I mentioned that to deploy a production-ready environment some work more was required. Luckily, it is now very easy to stand up a production and …

Recently I did a lot of tests with Atomic, such as a creating custom images for Ceph, and ways to provide an immutable infrastructure. However, Atomic is meant to be a host platform for a container platform using Kubernetes. Their Getting Started guide describes how to setup a basic environment …