Kubernetes at the Edge: MicroShift on Raspberry Pi 4 using Fedora IoT

This guide will show you how to run the newly GA’ed bits of MicroShift on a Raspberry Pi 4 using Fedora IoT 38 or 39. It can announce routes via mDNS so hosting applications in an mDNS aware LAN is a breeze. THIS IS COMPLETELY UNSUPPORTED. DON’T EVEN THINK OF RED HAT SUPPORT WHEN YOU […]

Podman Desktop Integration with MicroShift in a RHEL Virtual Machine

This blog elaborates on how to configure Podman Desktop to be used together with MicroShift in a RHEL virtual machine (VM). Please note that the presented setup is not supported by Red Hat. 1. Introduction and use case One of the challenges in software development is a difference between development environment and target production. In […]

Camel K: Integrate Systems with Microservices and Serverless

By Robert Baumgartner, Red Hat Austria, August 2023 Tested with OpenShift 4.13, AMQ Streams 2.4, Camel K 1.10, and OpenShift Serverless 1.29 Camel K helps us integrate systems in an easy, simple, and cost-effective way. Do more with less. Do more with less. That’s the goal for everyone right now. But every company also has […]

Patterns – A Path Towards Hybrid Cloud

ˈpætɚns Probably almost every time we are starting to understand and to solve a general problem, we will ask ourselves, am I the first one who is facing that problem, or have there been others who in the end either failed or succeeded. This is particularly true, if I am highly uncertain whether my own […]

Beyond Hype: How Open Source, Open Science and Open Data fuel innovation

The latest book by the Czech-Canadian scientist and policy analyst Vaclav Smil, Invention and Innovation: A Brief History of Hype and Failure (The MIT Press, 2023) inspired me to write this blog entry, partly as a review, but also as an opportunity to share some reflections about its implications for the domain of open source […]

Transforming a blogging platform into a real community initiative

Our blogging platform “Open Sourcerers” has grown to over 40 authors, all of whom share the same passion for open source technology. We believe that a community-based approach is essential, and everyone should have the opportunity to contribute to our platform. Until now, our focus has been solely on the content itself, but we have […]

Using OSTree Native Containers as Node Base Images

Node Base Images are OCI container images that are used to deliver software updates and customizations to rpm-ostree based Linux systems running on bare metal and virtual machines, such as Fedora CoreOS, Fedora IoT, Fedora Silverblue, CentOS Stream CoreOS, RHEL CoreOS, and RHEL for Edge. Node Base Images are built with OSTree Native Containers. While application […]

Language (r)evolution

As ancient Greek philosopher Heraclitus once said, the only constant in life is change. And it accurately applies to language as well. The spectacle of language change can be observed from two perspectives: synchronous (different language versions going hand-in-hand at the same time) and asynchronous (how language evolves across decades, centuries or millennia). And, taking […]

Kubernetes: How a Rejected Internal Project Became a Global Standard

San Francisco, June 9-10, 2014. In the halls of the Marriott Marquis hotel, the first DockerCon is held. “Containers everywhere!” is printed on the back of event T-shirts. The first big news of DockerCon is the launch of Docker 1.0, but there is much more to come. It is the beginning of what is later […]

Why Java is like German

As a person with years of academic experience as a linguist and deep love for learning languages, I’ve been pretty much used to discovering all the intricacies of different language systems and comparing them with each other. However, even when I developed an enthusiasm for programming, I still treated natural and programming languages as two […]