Tag Archives: kubernetes

Kubernetes Upgrade to 1.20.6

Upgrading Kubernetes Clusters The following lists what software and pods will be upgraded during this quarter. Upgrade the Operating System. Upgrade Kubernetes. Upgrade kubeadm, kubectl, and kubelet RPMs from 1.19.6 to 1.20.6. kube-apiserver is upgraded from 1.19.6 to 1.20.6 automatically. kube-controller-manager is … Continue reading

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Kubernetes Preparation Steps for 1.20.6

Upgrading Kubernetes Clusters The purpose of this 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

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Kubernetes Manual Upgrade to 1.20.6

Upgrading Kubernetes Clusters This documentation is intended to provide the manual process for upgrading the server Operating Systems, Kubernetes to 1.20.6, and any additional updates. This provides example output and should help in troubleshooting should the automated processes experience a … Continue reading

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Kubernetes Ansible Upgrade to 1.20.6

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

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Kubernetes Delete an etcd Member

On the Kubernetes cluster, one of the etcd members had a falling out and is reporting the data is stale. While troubleshooting, we came up with several ideas including just rebuilding the cluster. It’s not all that hard overall but … Continue reading

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Kubernetes 1.9.0 Installation

Overview After discussion between my manager and the SysEng management team, it’s been decided that I’m to take over the Kubernetes infrastructure. The one SysEng who’s still here has put in his time and the belief is that management of … Continue reading

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‘If You Were Smart, You’d Be In Engineering’

This is a comment I heard a few years back from a manager on the Engineering side of the house. Of course it’s stated in a bad way, but the words behind it is that to advance in technology, your … Continue reading

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