# On master - See https://kubernetes.io/docs/setup/certificates/#all-certificates # Generate the new certificates - you may have to deal with AWS - see above re extra certificate SANs sudo kubeadm alpha certs renew apiserver sudo kubeadm alpha certs renew apiserver-etcd-client sudo kubeadm alpha certs renew apiserver-kubelet-client sudo kubeadm alpha certs renew front-proxy-client # Generate new..