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00 - Hybrid Cloud Infrastructure 00 - IT Automation & Management

Why test automation won’t work without infrastructure automation – Part II

The article shows code examples for two parts, how Ansible supports the ramp-up of a Selenium hub as well as you can test your automated testing infrastructure using Molecule

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00 - Hybrid Cloud Infrastructure 00 - Industry

The datacenter of the future

When I try to look into the future, what would I see for a datacenter? What are the requirements the data centers need to comply with? What can a solution look like? In the coming text I will try to give answers to those questions. Executive summary In the coming years the usage of services […]

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00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure Kubernetes Platform

Escaping the Moving Target Platform Dilemma

tl;dr To ensure application consistency for distributed (multi hybrid) cloud environments, streamline your target platform from the bottom up. This helps you dealing with the Moving Target Platform Dilemma (MTPD). As mentioned in the previous article, using the SaaS Kubernetes (K8s) offerings from cloud providers (such as EKS, AKS, GKS) causes your application services to […]

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00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure Security

You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it – securely! (1/4)

This blog kicks off a series of 4 blog articles. They will all be available here, as soon as they get published. Run: Get your Angular, Python or Java Dockerfile ready with Red Hat’s Universal Base Image and deploy with Helm on OpenShift Develop: The Inner Loop with OpenShift Dev Spaces Build: From upstream Tekton […]

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00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure Kubernetes Platform

The Moving Target Platform Dilemma

tl;dr You want to gain flexibility by leveraging the K8s offerings from multiple hyperscalers (“cloud providers”) for your application. You gain a bunch of inflexibility by assuring your application behaves equally on all these K8s target platforms. I remember the days as a Java developer when we had to ensure our applications (quite often pre-Spring […]

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00 - Cloud-Native App Dev

Kubernetes Native Development

Abstract of our book about how to develop, build, deploy, and run applications on Kubernetes In March 2021, we both embarked on a thrilling journey by writing a book on “Kubernetes Native Development – Develop, Build, Deploy, and Run Applications on Kubernetes”. The book covers a topic that is especially relevant for everyone that decided […]

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00 - Industry

Die Versicherung im Jahre 2030

Im folgenden Blog werde ich untersuchen, wie sich die Versicherungsbranche in den kommenden Jahren bis 2030 entwickeln könnte. Einige der Themen werden sich meiner Meinung nach ähnlich wie in der Bankenbranche entwickeln. Schauen Sie sich also bitte diesen Blogeintrag an: (https://www.opensourcerers.org/2022/05/02/banking-2030-what-can-we-expect/). Executive Summary Die Wahl eines Geschäftsmodells für Versicherungen ist in den nächsten Jahren genauso […]

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00 - Hybrid Cloud Infrastructure 00 - Open Source Innovation

Cardboard OpenShift cluster

Although OpenShift becomes more and more known, there still are quite some people who are not fully aware about OpenShift and how it works. In addition to the common methods of presentations (“slides on beamers”), there are always opportunities to make software or processes in software more visible and tangible. So we show a slide, […]

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00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure 00 - IT Automation & Management 00 - Next-Gen Architecture, Culture & Processes

Why test automation won’t work without infrastructure automation

The article shows the different benefits of an automated testing approach and why the full benefit can only unleashed by using infrastructure automation.

Categories
00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure

The importance of getting resource requests and limits right.

Problem Summary At the start of spring 2022, I was asked to assist in untangling a very escalated set of related cases with one of our customers. Their cluster had been experiencing stability issues over a period of several months. Initial analyses by support seemed to suggest resource problems, in particular insufficient memory. There were […]

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