FOR MINIKUBE:

kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml

minikube addons enable metrics-server #(only for minikube)

kubectl top nodes

kubectl top pods

FOR KOPS:

kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/high-availability-1.21+.yaml