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.
Some workloads require the use of VLAN interfaces in virtual machines. VMware terms this feature “Virtual Guest Tagging” or “VLAN Guest Tagging” while OpenStack calls it “VLAN-aware instances”. See how OpenShift Virtualization can pass 802.1q trunks to VMs using a traditional Linux Bridge interface.
Copyright (c) 2021, Dale Bewley; all rights reserved.
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