Category Archives: Computers

Migrating KVM Guests

Posted on February 10, 2022 by Freejack

Overview This article describes the process in migrating a Virtual Machine from one physical host to another. Background There are two methods of how the virtual machines were built on the current hosts. The old way is to create a … Continue reading →

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Computers And Me

Posted on February 3, 2022 by Freejack

Over the past 12 months, I’ve deep dived into automation. I’d been investigating this for some time prior to that but this was work related. This involved research into using Terraform to automatically build virtual machines and Ansible to configure … Continue reading →

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Recognition

Posted on January 24, 2022 by Freejack

I’m a computer geek. I’ve worked as a programmer, local area network installer, Unix Admin, and now a DevOps Engineer. Over the past 40 years, it’s understood that folks that work in the computer industry don’t get a lot of … Continue reading →

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Gitlab Runners

Posted on January 21, 2022 by Freejack

Overview This article provides local configuration details specific to the site. Links to the relevant documentation will also be provided. Description The gitlab-runner is a tool that uses the .gitlab-ci.yml file to build, test, and deploy to the target host. … Continue reading →

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Resize KVM Images

Posted on December 30, 2021 by Freejack

Overview In order to properly support the environment, one set of images will be retrieved from the Red Hat OpenShift reference site for Debian, Ubuntu, and CentOS. These images will then be modified in order to support the necessary installations. … Continue reading →

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Docker Best Practices

Posted on December 22, 2021 by Freejack

Use the Official Docker Image for your Base Image. Download the image from the docker.io site. Never use the Latest tag for an image. In order for consistency, identify the version you want to use. This also prevents potentially breaking … Continue reading →

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Replacing An OKD Master

Posted on November 28, 2021 by Freejack

I’m running an OKD4 (aka an upstream Red Hat OpenShift Container Platform v4) cluster at home. Recently my bldr0cuomokdmst1 master node crapped out. I couldn’t even log in to determine the problem. For my current Kubernetes clusters, I’m casting the … Continue reading →

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Sequential Updates

Posted on June 15, 2021 by Freejack

Say you want to upgrade all the servers. Straight yum upgrade or apt update. For example, in my inventory, I have servers grouped by OS. If I wanted to patch all the CentOS boxes sequentially, I’d run: For a Debian … Continue reading →

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Homelab 2021

Posted on June 2, 2021 by Freejack

It’s that time again. It’s a year later and there have been quite a few changes in the Homelab. With the release of VMware 7, I needed to replace my servers with something a bit more current. I repurposed one … Continue reading →

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Installing OKD4

Posted on May 11, 2021 by Freejack

Overview What I’m trying to accomplish here is to set up a homelab OpenShift type environment. I’m installing OKD4.7 in this case but OKD is an upstream of the Red Hat OpenShift so should be just fine for my use-case. … Continue reading →

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