1.error: You must be logged in to the server (the server has asked for the client to provide credentials ( pods/log nginx-7bb7cd8db5-v756s))
处理方法：
kubelet配置文件配置默认用户权限如图：
2.Error from server (Forbidden): Forbidden (user=system:anonymous, verb=get, resource=nodes, subresource=proxy) ( pods/log nginx-7bb7cd8db5-v756s)
处理方法：
anonymous用户绑定一个cluster-admin的权限
kubectl create clusterrolebinding system:anonymous –clusterrole=cluster-admin –user=system:anonymous
