Open Sourcerers
In this blog I will guide you on How to use OpenTelemetry with a Quarkus application. How to display your OpenTeleemtry information on Jaeger UI. In this blog I will use distributed tracing to instrument my services to gather insights into my service architecture. I am using distributed tracing for monitoring, network profiling, and troubleshooting […]
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 […]
Today more than ever availability and performance depend on resilience against increasingly frequent and powerful attacks on the confidentiality, availability and integrity of information and IT systems. It is not just that our systems are being threatened with continuous automated attacks, but also with highly sophisticated approaches, such as Advanced Persistent Threats (APTs), Ransomware, Side […]
GitOps – Operations by Pull Request GitOps, a natural evolution of the DevOps practice, has gained popularity ever since it was introduced by Weaveworks in 2017. The core idea of GitOps is to treat “everything” as code. What does it mean? You will need to describe the desired state of your system declaratively as code, […]
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” […]
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 […]
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 […]
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 […]