Podamn, Docker, Buildah


Golang, Python, Shell


Software Defined Networking Technologies


Github, Gitlab


Opensource and Linux

Latest from the blog

Adding a Windows Node to an OpenShift Cluster

on June 3, 2021

The Windows Machine Config Operator builds and configures Windows machines to act as nodes in an OpenShift cluster enabling cross platform workloads. This post will demonstrate the addition of a Windows node to an existing cluster and explore the integration of Windows and Kubernetes.

Continue reading

Installing OpenShift on Azure for Windows Containers

on May 18, 2021

Adding support for Windows nodes in your OpenShift cluster is a day 2 operation that requires preparation at install time. It is important to accommodate the hybrid networking requirements for Windows Kubernetes nodes. Azure specific tasks and gotchas are highlighted in this part 1 of 3 while laying the groundwork applicable to deploying OpenShift on any provider in preparation for managing Windows containers.

Continue reading

How do OpenShift Over The Air Updates Work?

on March 9, 2021

OpenShift 4 extends the operator pattern introduced by CoreOS, and enables automated management of the Kubernetes cluster and the underlying resources including machine instances and operating system configuration. Operator driven over the air updates enable automated updates much like you are accustomed to receiving for your smart phone. What follows is a a technical exploration of the OpenShift over the air updates implementation. Operators All the Way Down What is an “Operator”?

Continue reading

OpenShift 4 on OpenStack Networking and Installation

on February 15, 2020

OpenShift Containter Platform 4 is much more like Tectonic than OpenShift 3. Particularly when it comes to installation and node management. Rather then building machines and running an Ansible playbook to configure them you now have the option of setting a fewer paramters in an install config running an installer to build and configure the cluster from scratch. I would like to illustrate how the basics of the networking might look when installing OpenShift on OpenStack.

Continue reading