42!

If 42 is the answer to all your OpenSource questions …..

Monitor and scale apps using your own metrics

In this blog I will guide you on How to enable an application performance monitoring (APM). How to scale a user application based on application metrics with a Horizontal Pod Autoscaler (HPA). How to create an alert based on application metrics and send this alert to an external system. For the monitoring, I will use […]

What on earth is KCP and why should I be very, very excited about it?

When people ask me what I do for a living I give up trying to explain what it is and just say ‘software’, at which point their eyes glaze over and the conversation shifts to weather, which politician has done what insanely hypocritical thing and whose round it is. And the reason I find it […]

How to ensure that your bucket access is given on multiple locations via replication?

Introduction Data is the most significant asset in today’s businesses and data services focus on infrastructure and application needs. For this reason, I would like to talk about the current possibilities regarding data distribution from an object storage bucket in OpenShift Data Foundation (ODF). ODF is not a new product from Red Hat, but in […]

Getting started with OpenShift ServiceMesh Federation

Introduction When you are serious about running a microservice architecture at scale, you will definitely run into some challenges at some point.  Beside all the benefits microservices deliver, they’ll also add a layer of complexity and have all the associated complexities of a distributed system.  And as the number of services scales, it becomes increasingly […]

OpenShift on Raspberry Pi 4?

Almost! We run MicroShift on a Raspberry Pi4. MicroShift is an experimental flavour of OpenShift/Kubernetes optimized for the device edge. It targets the niche between minimal, standalone Linux edge devices and full-fledged OpenShift/Kubernetes edge clusters. You can find more details about MicroShift at https://next.redhat.com/project/microshift/  MicroShift is a research project being worked on upstream in the […]

State of the art end-to-end automation

How to achieve a sound & compelling governance handling change requests, incidents and problem tickets in a DevSecOps scenario – based on authors’ field experience with end to end automation.

How to quickly create a CRUD service with Quarkus

Quickly creating a REST CRUD service with Quarkus, making use of Dev Services for databases and a few extensions to move your service to a Kubernetes cluster.

Quantum Computing: Open Source from the Start

This blog post will discuss why Quantum Computing is a natural step to evolve our computing capabilities. I will give a short overview of the core principles and differences to classical computing and how anyone with interest is able to access quantum computers — using Open Source software. Why do we care about quantum computing? […]

Kubernetes is a Platform for building Platforms

Kelsey Hightower stated already in 2017, that Kubernetes is not a Platform by itself, but rather a better way to start to build a platform. But what does that really mean? From my point of view, this means that Kubernetes is a platform that provides a core abstraction- and Service  layer for cloud-native applications to […]