Java to Pod

From Java code in your repo to a running Pod on Kubernetes. This article explains all the steps needed, including basic shortcuts.

KubeCon Trip Report

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 […]

Building Trust in the Software Supply Chain

Overview What steps can we take to establish trust in our Software Supply Chain and ensure that our software can be traced back to its origin without introducing malicious code or dependencies? Moreover, how can we integrate Open Source tools to enhance the security of our Software Supply Chain’s lifecycle? As we explained in our […]

Using OpenTelemetry and Grafana Tempo with Your Own Services/Application

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 […]

As time passes, our IT World is continuously changing…

10 years ago companies were desperately trying to implement new technologies to manage and operate their virtual machines.  They do so with some kind of “Multi Cloud Management Software” or with a managed tool from a hypervisor of their choice at the time being, like vCenter from VMware. There was also a nice software in […]

Service Mesh for Developers

The Fallacies of Distributed Computing Many years ago we moved away from monolithic applications and started to develop our app as a network of smaller services, the microservice architecture. This brought many advantages and we finally had fun again developing large business applications. But we were also being introduced to the Fallacies of Distributed Computing […]

Configuring custom domains for applications – the operator-way!

On a rainy Thursday evening, I was looking at a lemon tree and the lengthy URL of an application that I deployed some time ago on my OpenShift cluster. And I was wondering how I can make it shorter and human readable. Creating an edge route with a custom certificate is rather simple [1]. However, […]

Securing the integrity of Software Supply Chains

Overview How can we secure the integrity of our Software Supply Chains and have confidence that our software has not been tampered with and can be traced to its source? Which are the main parts of the software supply chain security? Before explaining how to secure the Software Supply Chain, we need first to understand […]

How to install OpenShift Data Foundation (ODF) 4.11 in a disconnected or air-gapped VMware cluster

Estimated reading time: 8 minutes Motivation Red Hat OpenShift Data Foundation (ODF), previously Red Hat OpenShift Container Storage, is a software-defined persistent storage solution for OpenShift Container Platform (OCP) workloads. In this article you’ll learn how to deploy OpenShift Data Foundation using local storage devices on a disconnected VMware cluster. An air-gapped or disconnected network […]

Develop: The Inner Loop with OpenShift Dev Spaces (2/4)

In Part II of our 4-part blog series “You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it”, we will focus on the aspect of developing our application with and directly on OpenShift. In Part I, we’ve introduced our sample application “the Local News Application”, and showed […]

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