$ cd /etc/kubernetes/pki $ mv etcd etcd.bak $ mkdir apiserver-etcd-client $ mv apiserver-etcd-client.* apiserver-etcd-client/ $ kubeadm alpha phase certs etcd-ca $ kubeadm alpha phase certs etcd-server --config=/etc/kubernetes/kubeadmcfg.yaml $ kubeadm alpha phase certs etcd-peer --config=/etc/kubernetes/kubeadmcfg.yaml $ kubeadm alpha phase certs etcd-healthcheck-client --config=/etc/kubernetes/kubeadmcfg.yaml $ kubeadm alpha phase certs apiserver-etcd-client --config=/etc/kubernetes/kubeadmcfg.yaml
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