介绍
在安装kubernetes-dashboard的时候，低版本中可能会有system-anonymons 权限问题
获取POD，进行日志查看
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kubectl -n kubernetes-dashboard get pod -o name
kubectl logs -f -n kubernetes-dashboard pod/kubernetes-dashboard-576cb95f94-gf7m6
日志出现User “system:anonymous“ cannot list nodes at the cluster scope，表示需要授权.
授权
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kubectl create clusterrolebinding cluster-system-anonymons --clusterrole=cluster-admin --user=system:anonymous
