Open Sourcerers
A Guide to Seamless Connectivity in OpenShift and OKD In today’s rapidly evolving technological landscape, the integration of complex architectures into our systems is becoming more prevalent than ever. One of these challenges is to consolidate a multi-cloud architecture into a true hybrid cloud one. In this blog post we will delve into the motivations, solutions, and considerations […]
In most Kubernetes installations, a well-maintained etcd is one of the key conditions for having a peaceful administrator life. Most Kubernetes distributions imply limitations on etcd and its size. For Openshift there’s a quota limit of 8GB. Typically that limitation should not hit you unless you run really large clusters and or utilize the cluster […]
Photo by Daniel van den Berg on Unsplash On a warm summer day, I visited the Kubernetes Community Days Munich and enjoyed Adrian Reber’s talk about “Forensic container checkpointing and analysis”. Now I want to try that with OpenShift 4.13! This blog post will mainly cover how to enable and use checkpointing on OpenShift 4.13. […]
Introduction As a Solution Architect for Red Hat’s ecosystem, I talk to many independent software vendors (ISVs) about modernizing their applications to enable hybrid cloud and edge strategies. Linux, containers, Kubernetes and micro-services architecture are a default choice nowadays in many new application development projects. But sometimes you can not get rid of some dependencies […]
By Robert Baumgartner, Red Hat Austria, February 2023 (OpenShift 4.12) In this blog I will guide you on how to use service performance monitoring (SPM) with Jaeger. It should work with any application that is working with OpenTelemetry. This document is based on OpenShift 4.12. See Distributed tracing release notes. OpenShift distributed tracing platform Operator […]
As a computer scientist, I think the best thing about our job is clearly the need to keep up with the latest technological achievements. Depending on the specific area you work in, you can actually always be sure that the solutions to challenges are constantly changing. Kubernetes is no different in that regard. Let’s find […]
By Robert Baumgartner, Red Hat Austria, March 2023 (OpenShift 4.12, OpenShift distributed tracing data collection 0.63) In this blog, I will guide you on how to use OpenTelemetry with a Quarkus application; how to forward your OpenTelemetry information to Tempo and display it in Grafana UI. I will use distributed tracing to instrument my services […]
Part 3 of the article series on automated application packaging and distribution. This time about integrating into Kubernetes Native Pipelines with OpenShift Pipelines (Tekton)
Introduction Back in May of 2020, Red Hat and Amazon Web Services announced a jointly supported, fully managed Red Hat OpenShift offering that is natively integrated into AWS. Since the announcement in November of 2020, customers had the opportunity to get their hands on the preview version of Red Hat OpenShift Service on AWS (ROSA). […]