在k8s集群中使用kubeflow的yaml安装tf-operator```powershell下载tf-operator所需的docker镜像，可能需要科学上网，每个k8s节点都需要pull该docker镜像docker pull gcr.io/kubeflow-images-public/tf_operator:vmaster-ga2ae7bff

k8s动态配置/etc/hosts###使用命令行修改hosts，完事后保存退出，立即生效kubectledit configmapcoredns-nkube-system# Please edit the object below. Lines beginning with a '#' will be ignored,# and an empty file will abort the edit