Five lessons learned on leadership in an Open Organization

I have been working in the IT business for over 16 years now and during that time I had the pleasure getting to know rather different companies. In the beginning I was part of a small 12 employee internet agency named Kingmedia, just before jumping into the enterprise world with IBM (which had about 300.000 […]

First Steps with OpenShift Virtualization

It is 2020 and everybody is talking more and more about containers. A topic that came up around 2013 with Docker making an ecosystem for developers using containers for faster development cycles. But although the container hype is growing there are still lots of VMs out there, that may also have their right to exist. […]

How to pimp your Quarkus application to benefit from Kubernetes

In my last post I promised to introduce you to a selected set of Quarkus extensions. Today I will cover three of those. In my opinion they make total sense in the context of a container development or just container runtime platform (such as Red Hat OpenShift or any other Kubernetes distribution). The effort : […]

Container images, multi-architecture, manifests, ids, digests – what’s behind?

Many of us use container images from day to day, maybe also in many various architectures. For example on your Raspberry PI (aarch64), do you really know how it works in detail? I have worked with container images more or less since 2015 but during an OpenShift 4 air-gapped installation and mirroring of images into […]

Optimizing retail sales using OpenShift

Retailers who operate facilities, both physical stores and online stores want to constantly optimize the shopping experience of their customers. Why? Because an easy and pleasant experience increases sales. Simple as that. So shopping experience need to be permanently changed for the better. But does really every change lead to increased sales? How can this […]

How to install NVIDIA GPU Operator in OpenShift 4

The NVIDIA GPU Operator is used to manage GPU nodes in OpenShift and make these GPUs consumable for application workloads in an OpenShift cluster. There are several use cases which fit e.g, AI/ML workloads, data analysis, 3D processing. All of these can be done within an OpenShift cluster with GPU power enabled. So, today I […]

How to accelerate your cloud-native AppDev with knative Java and OpenShift

Quarkus is the bright new star in the cloud-native App Dev universe! Quarkus is Red Hat’s upstream stack for Kubernetes native Java. Its characteristics are simple: Quarkus is small! Quarkus is fast! Quarkus is familiar! … and Quarkus makes Java relevant again in the cloud-native world where everyone talks about lightweight architectures, event-driven paradigms, container […]

Mystery Hybrid Cloud! What are its riddles and when do I need it actually?

I’ve been in IT since 2001 and countless times I did notice that people are confused by all these “Cloud” “Buzzwords”. Therefore, in this brief article I want to give a short explanation what actually is a “Hybrid,- Multi Cloud Approach”?  In our new digital world, digitalization needs to be adapted in every company, regardless […]

Ansible and Terraform Integration

Ansible & Terraform – together or against? I’ve worked in open source infrastructure consulting for more than 15 years and have used a fair number of the usual suspects from the automation space during this time. Home-brewn scripts, CFEngine, Puppet, to just name a few. When Red Hat acquired Ansible I was really excited, dove […]