Link for download crictl - koalasy

crictl
https://github.com/kubernetes-sigs/cri-tools/releases/download/v1.14.0/crictl-v1.14.0-linux-386.tar.gz
etcd:
https://github.com/etcd-io/etcd/releases/download/v3.3.12/etcd-v3.3.12-linux-amd64.tar.gz

metric server:
https://raw.githubusercontent.com/kubernetes/kops/master/addons/metrics-server/v1.8.x.yaml

kubeadm join --discovery-token-unsafe-skip-ca-verification --token=102952.1a7dd4cc8d1f4cc5 172.17.0.28:6443

 "https://storage.googleapis.com/kubernetes-release/release/v1.15.0/bin/linux/amd64/kube-apiserver"
  https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubectl \
  https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-proxy \
  https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubelet

https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-apiserver" \
  "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-controller-manager" \
  "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-scheduler" \
  "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubectl"