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Dean Lewis

How to migrate from Red Hat OpenShiftSDN/OVN-Kubernetes to Cilium

This post was originally published on this siteRecently, I’m seeing more and more queries about migrating to Cilium within an existing Red Hat OpenShift cluster, due to Cilium’s advanced networking...

vSphere data loss bug returns – CBT issues in vSphere ESXI 8.0 update 2

This post was originally published on this siteThe Issue I keep saying, there are no new ideas in technology, just re-hashes of old ones. That is also true for VMware...

Grafana – unable to login “User already exists”

This post was originally published on this siteThe Issue When trying to log into Grafana Web UI using an OIDC provider, in my case, Dex. The login would fail due...

Google Analytics GA4 – Fix Thresholding Applied and get granular refferal source data

This post was originally published on this siteThe Issue Moving over to the new Google Analytics GA4 from UA, has caused me a few issues, mainly I wasn’t able to...

Script to uninstall and cleanup VMware Fusion

This post was originally published on this siteThe VMware Fusion KB to remove the software makes reference to a number of areas you need to manually cleanup, so below a...

Kubernetes Metric Server – cannot validate certificate because it doesn’t contain any IP SANs

This post was originally published on this siteThe Issue Whilst trying to install the Metric’s server: kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml so I could use kubectl top node for it’s metrics...

Quick Tip: Supercharge Kubernetes Resource Retrieval with ‘kubectl get -f’

This post was originally published on this siteDid you know you can use the -f argument with kubectl get? Yep me either. It’s pretty handy actually, as it will provide...

Red Hat OpenShift – Sorry, your reply was invalid: IP expected to be in one of the machine networks

This post was originally published on this siteThe Issue When running the command: openshift-install create cluster And you provide an API IP address which is not in the CIDR range...

How to delete Kubernetes namespaces or pods with a specific pattern or name

This post was originally published on this siteI had a need to delete a number of Namespaces all at once that were created as part of some automated platform testing....

Collect VM Notes in (Aria) vRealize Operations: A Step-by-Step Guide

This post was originally published on this siteOne of the most common questions I’ve come across in previous years is how do I get the VM notes held in vCenter...