OpenShift Compact Clusters: Revolutionizing Deployments

Imagine deploying your applications in environments where resources are scarce, connectivity is unreliable, and every hardware decision counts. Whether it’s edge computing sites, remote data centers, or on-premises installations with limited infrastructure, ensuring high performance and availability can be challenging. OpenShift Compact Clusters emerge as a transformative solution tailored to address these exact scenarios, offering […]

OpenShift Virtualization – Surprisingly mature, even for my high standards!

I’ve been with Red Hat since 2019 as a Solution Architect. I started in the area of IT in 2001 only to experience, just 2 years later, that we can use ONE physical server to deploy MANY Operating Systems!  At that time we deployed our very first VMware vSphere cluster in a medium-sized company in Trier, […]

Sustainability in the Age of Local LLMs: Who’s Watching the Electricity Bill?

tl;dr The rise of AI, particularly large language models (LLMs) like ChatGPT, has been transformative, making advanced technology accessible and widely used. However, with their growing adoption comes a pressing concern: the sustainability of their energy consumption. This article explores a practical approach to evaluating the power usage of different LLMs using a sample chatbot […]

Sailing away on the Steam Deck with OpenShift Virtualization (Part 1)

When on the road, some of us bring a handheld Linux computer such as the Steam Deck for entertainment. But after some time of hunting ghosts and shooting portals the desire to be productive returns. How about quitting the game and starting OpenShift on our handheld gaming companion? In late 2023 I was on a […]

Navigating Multi-Cluster Challenges

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 […]

Patterns III – How to start

After discussing the theoretical background why patterns are useful in common IT-architectures in our first post and discussing the various levels of utilizing patterns in section two, we will now dive a little deeper and look how a pattern can be applied for a practical business problem. Requirements Let us assume we have an application […]

Review of 2023

OpenSourcerers 2023 is a wrap! It was packed with interesting articles covering a wide range of topics. There are 52 articles available covering high level topics down to the dirty technical details of using Red Hat’s products and other OpenSource technologies. Your Opensourcerers blog editors followed along of course! As we come from varying backgrounds […]

Confidentiality in a crazy world

This blog takes a log of the current state and the future of confidential computing and how it will change our perception of secure computing. Executive summary As like the opening image, companies rightfully guard their secrets like a 3 headed dog. Especially when it comes to implementing regulatory requirements. They not only fear the […]

Kubernetes at the Edge: MicroShift on Raspberry Pi 4 using Fedora IoT

This guide will show you how to run the newly GA’ed bits of MicroShift on a Raspberry Pi 4 using Fedora IoT 38 or 39. It can announce routes via mDNS so hosting applications in an mDNS aware LAN is a breeze. THIS IS COMPLETELY UNSUPPORTED. DON’T EVEN THINK OF RED HAT SUPPORT WHEN YOU […]

Podman Desktop Integration with MicroShift in a RHEL Virtual Machine

This blog elaborates on how to configure Podman Desktop to be used together with MicroShift in a RHEL virtual machine (VM). Please note that the presented setup is not supported by Red Hat. 1. Introduction and use case One of the challenges in software development is a difference between development environment and target production. In […]

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