[root@k8s-1 ~]# kubeadm init --config config
[kubeadm] WARNING: kubeadm is in beta, please do not use it for production clusters.
[init] Using Kubernetes version: v1.8.1
[init] Using Authorization modes: [Node RBAC]
[preflight] Running pre-flight checks
[preflight] Some fatal errors occurred:
couldn't parse external etcd version "": Version string empty
[preflight] If you know what you are doing, you can skip pre-flight checks with `--skip-preflight-checks`
使用kubeadm安装Kubernetes出现报错,
couldn't parse external etcd version "": Version string empty