ctr image pull registry.aliyuncs.com/google_containers/coredns:1.8.0 ctr image tag registry.aliyuncs.com/google_containers/coredns:1.8.0 k8s.gcr.io/coredns/coredns:v1.8.0 ctr image rm registry.aliyuncs.com/google_containers/coredns:1.8.0 ctr image export ~/coredns.tar k8s.gcr.io/coredns/coredns:v1.8.0 ctr image rm k8s.gcr.io/coredns/coredns:v1.8.0 ctr -n k8s.io image import ~/coredns.tar
感觉有点繁琐，不知有没有更简洁的方法，今天第一次用，能用就行，记录一下。