Author Archives: Freejack

Downloading Large Files

I need to upgrade my VMware cluster from 6.5 to 7.0 U1 in order to continue to be supported by the VMUG organization. It’s something I should do anyway just to keep my VMware chops current plus continue to learn … Continue reading

Posted in Computers | Tagged , , , | Leave a comment

kubeadm kubelet Problem

Over the past year and a bit, I’ve been using kubeadm to build and upgrade my clusters starting with Kubernetes 1.14. I switched from the home grown scripts I’d initially created for the 1.2 installation and continued through 1.12 to … Continue reading

Posted in Computers, Kubernetes | Leave a comment

FreeIPA/Red Hat IDM

I’m working on bringing my 100+ servers under FreeIPA, aka a centralized Identity Management system. Since FreeIPA is an upstream source for Red Hat IDM, I added it to the title. Installing FreeIPA on servers is bog simple. Run Then … Continue reading

Posted in Computers, FreeIPA | Leave a comment

Kubernetes Manual Upgrade to 1.18.8

Upgrading Kubernetes Clusters This documentation is intended to provide the manual process for upgrading the server Operating Systems, Kubernetes to 1.18.8, and any additional upgrades. This provides example output and should help in troubleshooting should the automated processes experience a … Continue reading

Posted in Computers, Kubernetes | Tagged | Leave a comment

Kubernetes Ansible Upgrade to 1.18.8

Upgrading Kubernetes Clusters This document provides a guide to upgrading the Kubernetes clusters in the quickest manner. Much of the upgrade process can be done using Ansible Playbooks. There are a few processes that need to be done centrally on … Continue reading

Posted in Computers, Kubernetes | Tagged | Leave a comment

Kubernetes Preparation Steps For 1.18.8

Upgrading Kubernetes Clusters The purpose of the document is to provide the background information on what is being upgraded, what versions, and the steps required to prepare for the upgrade itself. These steps are only done once. Once all these … Continue reading

Posted in Computers, Kubernetes | Tagged | Leave a comment

Kubernetes Upgrade to 1.18.8

Upgrading Kubernetes Clusters The following lists what software and pods will be upgraded during this quarter. Upgrade the Operating System Upgrade Kubernetes Upgrade kudeadm, kubectl, and kubelet RPMs from 1.17.6 to 1.18.8. Upgrade kubernetes-cni RPM from 0.7.5-0 to 0.8.6-0. kube-apiserver … Continue reading

Posted in Computers, Kubernetes | Tagged | Leave a comment

Cinnamon Buns

I tried using the recipe on the website but there were so many ads making constant changes to the webpage that it was impossible to stay where the instructions were. As such, I’m copying the basic instructions here and I’ll … Continue reading

Posted in Cooking | Tagged | Leave a comment

Docker Registry

Overview I have a requirement to create a local Docker Registry. I’m doing this because I have four Kubernetes clusters to somewhat mirror the work environment. This lets me test out various new bits I want to apply to the … Continue reading

Posted in Computers, Docker | Leave a comment

Kubernetes Pod Schedule Prioritization

Introduction Currently Kubernetes is not configured to treat any pod as more or less important than any other pod with the exception of critical Kubernetes pods such as the kube-apiserver, kube-scheduler, and kube-controller-manager. Multiple products with different Service Class requirements … Continue reading

Posted in Computers, Kubernetes | Tagged | Leave a comment