Storing Virtual Machines as Kubernetes resources in git for automated deployment promotes consistency, resilency, and accountability, but commiting secrets to git is risky and should be avoided. Use the External Secrets Operator to securely store cloud-init and other data, and sleep soundly!
CoreOS On-cluster Image Layering in OpenShift 4.19 allows modifications to node the operating system. This detailed walk through customizes the node operating system image by adding RPMs to support autofs.
In part 2 we will configure autofs and enable automatic filesystem mounting across cluster nodes.
The OpenShift Machine Configuration Operator applies configuration changes to to nodes using a syntax called Ignition, but managing base64 encoded text can be challenging. What if I told you that you can use plain text and normal files?
This post demonstrates how to properly generate kubeconfig files for OpenShift ServiceAccounts, enabling secure token-based authentication and TLS connections. You will learn how to create ServiceAccounts, generate time-limited tokens, bundle CA certificates, and package everything into a distributable kubeconfig file that can be stored as a Secret for download.
Copyright (c) 2021, Dale Bewley; all rights reserved.
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