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://s2.51cto.com/images/202207/e53a16060d1ebbe3b775547100137fd5ad97cc.png?x-oss-process=image/watermark,size_14,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=,x-oss-process=image/resize,m_fixed,w_1184)
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://s2.51cto.com/images/202207/62bdd6c5783e42c5370014f2eabb0e9e5cdc09.png?x-oss-process=image/watermark,size_14,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=,x-oss-process=image/resize,m_fixed,w_1184)
