Grafana - unable to login "User already exists"
The Issue When trying to log into Grafana Web UI using an OIDC provider, in my case, Dex. The login would fail due to the error "User already exists", after…
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Kubernetes
94 practical Kubernetes guides and field notes. Page 4 of 19.
Kubernetes Metric Server - cannot validate certificate because it doesn't contain any IP SANs
The Issue Whilst trying to install the Metric's server: kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.…
Read guide →Quick Tip: Supercharge Kubernetes Resource Retrieval with 'kubectl get -f'
Did you know you can use the -f argument with kubectl get? Yep me either. It's pretty handy actually, as it will provide the status for all your Kubernetes…
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Red Hat OpenShift - Sorry, your reply was invalid: IP expected to be in one of the machine networks
The Issue When running the command: openshift-install create cluster And you provide an API IP address which is not in the CIDR range 10.0.0.0/16, you recieve…
Read guide →How to delete Kubernetes namespaces or pods with a specific pattern or name
I had a need to delete a number of Namespaces all at once that were created as part of some automated platform testing. Each namespace had a common naming…
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