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Stephen Nimmo

Development, DevOps and Delivery

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Your Cluster Name Is Not Your Environment

August 2, 2026 stephennimmo Configuration, System Design

So you’re about to stand up a fleet of OpenShift clusters. Hub clusters for preproduction and production. A services cluster[…]

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GitOps at Scale

June 9, 2026 stephennimmo Configuration

What is GitOps? If you’ve been navigating the ever-evolving landscape of modern software delivery, you’ve likely heard the term “GitOps”[…]

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Compiling and installing a Linux kernel module in OpenShift – The AMD Solarflare™ Onload™ Edition

September 12, 2025 stephennimmo Configuration, Linux, Networking

tldr: Take me to the process What Is a Kernel Module? Have you ever wondered how your computer’s operating system[…]

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Dynamic URL for Host using OpenShift routes

September 12, 2025 stephennimmo Configuration, Networking

Did you know that in OpenShift, you can use Route objects to simply define the prefix for the host url[…]

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Connecting OpenShift Virtualization to Underlay Networks with ClusterUserDefinedNetwork

August 25, 2025 stephennimmo Configuration, Networking

OpenShift Virtualization lets you run VMs as first-class citizens in OpenShift. By default, VMs communicate over the cluster overlay (the[…]

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Two Ways of creating a Red Hat Enterprise Linux virtual machine with a static ip address in OpenShift Virtualization

June 25, 2025 stephennimmo Configuration, Linux

OpenShift Virtualization is a feature of Red Hat OpenShift that enables you to run and manage virtual machines alongside containers[…]

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Bootstrapping an OpenShift Cluster with OpenShift GitOps

June 24, 2025 stephennimmo Coding, Configuration

So you have a brand new shiny OpenShift cluster. Now what? It’s time for some GitOps. GitOps is a modern[…]

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Install Hashicorp Vault on Red Hat Enterprise Linux

June 15, 2025 stephennimmo Blog

I use Hashicorp Vault as my primary secrets management system. Mostly because most of my on-premise OpenShift customers use it[…]

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New Router Setup – Mikrotik CRS305-1G-4S+IN

June 7, 2025 stephennimmo Configuration, Networking

I recently replaced my default gateway router with a Mikrotik CRS305-1G-4S+IN. Instead of clickopsing the setup, I decided to use[…]

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Running iperf3 tests in OpenShift

April 18, 2025 stephennimmo Configuration, Linux

In this blog post, I will document how to deploy and expose an iperf server for testing. Setup the Server[…]

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Recent Posts

  • Your Cluster Name Is Not Your Environment
  • GitOps at Scale
  • Compiling and installing a Linux kernel module in OpenShift – The AMD Solarflare™ Onload™ Edition
  • Dynamic URL for Host using OpenShift routes
  • Connecting OpenShift Virtualization to Underlay Networks with ClusterUserDefinedNetwork

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