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Stephen Nimmo

Development, DevOps and Delivery

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Latest Posts

Running Postgres as a StatefulSet on OpenShift

August 21, 2024 stephennimmo Blog

Here’s some example yaml for deploying Postgres on OpenShift. And some commands.

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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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Async Communication Best Practices

April 10, 2024 stephennimmo Random

Here’s a small list of some best practices when engaging in asynchronous communications with colleagues. General Email Slack Boss Comms[…]

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Build a REST API from the ground up with Quarkus 3

March 8, 2024 stephennimmo Coding

Last Updated: 8/28/2024 This blog post serves as an aggregation of how to build a REST API. Tools Used The[…]

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Linux File Permissions: Giving One User Read Access

February 16, 2024 stephennimmo Linux

I recently did some work setting up multiple users on a RHEL box of mine and I wanted to document[…]

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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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Building an API Hierarchy

January 25, 2024 stephennimmo System Design

In the dynamic landscape of modern enterprises, Application Programming Interfaces (APIs) have emerged as indispensable catalysts for innovation, connectivity, and[…]

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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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Full Stack Development – Quarkus and Angular with Quinoa

December 1, 2023 stephennimmo Coding

Prerequisites One Big App Sometimes, simpler is better. Not everything has to be overly optimized for the best performance possible.[…]

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Recent Posts

  • 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
  • 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

Angular ArgoCD Bootstrap CTO Culture docker GitOps Java Kafka Kubernetes Kubevirt Linux MapStruct maven OpenShift Podman Postgres PostgreSQL Quarkus RHEL Security Spring Boot Testcontainers testing Virtualization