How to migrate a kubernetes cluster to test cluster

experts, I am a newcommer in k8s, I want to migrate a k8s cluster to an other k8s cluster, including everything, how to to? is it possible to use etcd backup, or by deploymrnt every yaml ? is it possible to migrate v1.8 to 1.18 cluster?

thanks alot sunny



Read more here: https://stackoverflow.com/questions/67937678/how-to-migrate-a-kubernetes-cluster-to-test-cluster

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