kubeadm init
before I started the command, I had already set up the http and https agents, but there was still an error. What is the reason for this?
[preflight] Some fatal errors occurred:
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/kube-apiserver-amd64:v1.11.2]: exit status 1
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/kube-controller-manager-amd64:v1.11.2]: exit status 1
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/kube-scheduler-amd64:v1.11.2]: exit status 1
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/kube-proxy-amd64:v1.11.2]: exit status 1
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/pause:3.1]: exit status 1
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/etcd-amd64:3.2.18]: exit status 1
[ERROR ImagePull]: failed to pull image [k8s.gcr.io/coredns:1.1.3]: exit status 1