Category Archives: Computers

Kubernetes Storage

Posted on November 20, 2022 by Freejack

Overview This article provides some quick instructions on creating an NFS server for use as Persistent Storage in Kubernetes. A different article will discuss creating Persistent Storage. Firewall Configuration For the NFS server, it only will be accessed by Kubernetes … Continue reading →

Posted in Computers, Kubernetes | Tagged , , | 1 Comment

Load Balancing Kubernetes

Posted on November 20, 2022 by Freejack

Overview This article provides instructions in how I set up my HAProxy servers (yes two) to provide access to the Kubernetes cluster. Configuration To emulate a production like environment, I’m configuring two HAProxy servers to provide access to the Kubernetes … Continue reading →

Posted in Computers, Kubernetes | Tagged , , , | 1 Comment

Docker Distribution

Posted on November 20, 2022 by Freejack

Overview At a prior job I used Artifactory to manage images. The nice thing about Artifactory is you can create a Virtual Repository in that you configure it to automatically pull images from a Remote Repository to make it available … Continue reading →

Posted in Computers, Docker | Tagged , | 1 Comment

Terraform Builds

Posted on November 20, 2022 by Freejack

Overview This article provides instruction on how to use Terraform to build virtual machines on VMware. Preparation I use templates to build virtual machines and have several templates in order to build systems quickly. I mainly had a single machine … Continue reading →

Posted in Computers, Terraform | Tagged , | 2 Comments

Kubernetes Index

Posted on November 20, 2022 by Freejack

Overview I keep trying to find documents and videos that do an installation of Kubernetes along with associated configurations and including ArgoCD for an environment like mine. This index shows the final Kubernetes installation (list of all pods) plus an … Continue reading →

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Python and Postgresql Index

Posted on October 23, 2022 by Freejack

Overview This is the index article that will provide links to individual articles on the conversion of one of my projects from a php/mysql(mariadb) to python and postgresql. There shouldn’t be too many however like my Kubernetes and ArgoCD series … Continue reading →

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Jinja2: Encountered Unknown Tag

Posted on April 19, 2022 by Freejack

Overview I was running an Ansible playbook and one of the templates failed with the following error: Jinja2 uses a brace + percent and a percent + brace to identify Jinja2 commands that are used when preprocessing a template. This … Continue reading →

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Development and Branches

Posted on April 16, 2022 by Freejack

Many many many years ago, I learned to program. It was on a Radio Shack Color Computer. It had a BASIC plug in pack and I think I could save to a cassette tape. I followed the BASIC programming book … Continue reading →

Posted in CI/CD, Computers, Git, Jenkins | Leave a comment

Convert From CentOS 8 to CentOS Streams

Posted on April 1, 2022 by Freejack

Overview This article provides brief instructions on how to convert and upgrade a CentOS 8 system. Background In December 2021, Red Hat retired the CentOS 8 AppSteam BaseOS, Extras, and the other CentOS mirrors in favor of going to a … Continue reading →

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Increase Ingress Routers

Posted on February 15, 2022 by Freejack

A problem I found with my OKD4 cluster is the HAProxy statistics were claiming 5 of my 7 worker nodes were red, aka down. After some searching, I found HAProxy is reporting via the ingress router pods. Further checking of … Continue reading →

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