Open Sourcerers
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 […]
Summary This article describes the installation of Red Hat Advanced Cluster Security (RHACS) using the Operator. It also covers the integration of Tekton Pipelines for the deployment of two different containers and the configuration of a Slack notification. A special feature here is that the installation and configuration is largely automated by scripts and can […]
For english content please see the blog post by Chris Jenkins at https://www.redhat.com/en/blog/openshift-security-hardening-healthcare-industry which essentially presents the same information as this post. Because of the importance of the topic and the ask from our german-language customers we wanted to also present this information in german. “Security is not a product, it itself is a process” […]
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 […]
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 […]
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 […]
Our experiences preparing for a demo at Ansiblefest 2021 Speakers: Karoly “Charlie” Vegh and Robert “Bob” BaumgartnerSupported by: Chris Jung, Phil Griffith, Eric Lavarde, Elle Lathram Introduction and Purpose AnsibleFest is always pretty cool, all new announcements, live demos, roundtable discussions, etc. Bob, being the Kubernetes/Container Architect and my humble self being more a Linux […]
Adopting Kubernetes in an Enterprise is a daunting task. In this series of articles I am trying to give you an opinionated view on what you might need to consider when you are in the middle of rolling out Kubernetes within your organisation. Whether you are a developer or an IT operator, I am trying […]
Finally, the time has come. The first personal event after Corona. The Container Days 2021 were just around the corner. Right on time for the start of the event, the location presented itself from its best side. It was rainy. At the latest now it was clear: I’m in the north of Germany, on the […]
If the COVID-19 epidemic taught us one lesson, then it is how dependent we are on data exchange over the internet. Just think back to yourself, how did you pass by 2020/2021? How did you exchange data with service providers or your employer? How did you entertain yourself while being under lock down or how […]