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Stephen Nimmo

Development, DevOps and Delivery

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Category: Configuration

Running the Red Hat build of Keycloak on OpenShift

September 10, 2024 stephennimmo Configuration

In this blog post, we are going to bring a few different technologies together to support an instance of the[…]

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Generating Let’s Encrypt certificates with Red Hat OpenShift cert-manager operator using the Cloudflare DNS solver

May 15, 2024 stephennimmo Configuration, System Design

Let’s Encrypt is a nonprofit certificate authority that provides free SSL/TLS certificates, which are essential for enabling secure HTTPS connections[…]

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In-Depth Hashicorp Vault setup on OpenShift using OpenShift GitOps

May 5, 2024 stephennimmo Configuration

I’m running a couple of clusters in my lab environment. One of them is a “hub” cluster which is handling[…]

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rpm-ostree kernel parameters

January 30, 2024 stephennimmo Configuration

I’ve been messing around with one of my boxes because of a faulty onboard ethernet adapter. I was trying to[…]

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Certificates from Let’s Encrypt using certbot on RHEL

December 8, 2023 stephennimmo Coding, Configuration

Requirements: Certificates are a pain. But they are a very necessary and vital piece to your security. Here’s how to[…]

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Concise Keycloak Realm for Testing

November 18, 2023 stephennimmo Coding, Configuration

I’ve recently been working on some Quarkus and Angular projects requiring an OIDC provider and I have been using Keycloak.[…]

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Using Podman with Quarkus and Testcontainers on MacOS M1

October 19, 2022 stephennimmo Configuration

Switching to use Podman instead of Docker for spinning up Testcontainers on MacOS just takes a bit of install and[…]

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NFS PVC Dynamic Provisioning on OpenShift

May 12, 2022 stephennimmo Configuration

Setting Up the NFS Server I run a RHEL box which provides all the supporting services needed for my POCs[…]

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Let’s Encrypt Certificate Management on OpenShift using cert-manager Operator

November 22, 2021 stephennimmo Configuration

I love me some Let’s Encrypt. This nonprofit certificate authority brought a no-nonsense set of tools and practices to managing[…]

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Recent Posts

  • Two Ways of creating a Red Hat Enterprise Linux virtual machine with a static ip address in OpenShift Virtualization
  • Bootstrapping an OpenShift Cluster with OpenShift GitOps
  • Install Hashicorp Vault on Red Hat Enterprise Linux
  • New Router Setup – Mikrotik CRS305-1G-4S+IN
  • Running iperf3 tests in OpenShift

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