安装yum install wget 等工具提示如下
failure: repodata/repomd.xml from kubernetes: [Errno 256] No more mirrors to try.
https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/repodata/repomd.xml: [Errno -1] repomd.xml signature could not be verified for kubernetes 翻译：无法验证 kubernetes 的签名
![failure: repodata/repomd.xml from kubernetes: [Errno 256] No more mirrors to try. https://mirrors.al_yum安装](https://file.cfanz.cn/uploads/png/2022/07/27/8/A1667OF248.png)
解决办法：
vim /etc/yum.repos.d/kubernetes.repo
把这2个参数设置为0
![failure: repodata/repomd.xml from kubernetes: [Errno 256] No more mirrors to try. https://mirrors.al_yum安装_02](https://file.cfanz.cn/uploads/png/2022/07/27/8/M501R9ORD1.png)
