Error: Failed to download metadata for repo 'epel': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
方法1:
cd /etc/yum.repos.d/
vim Centos-报错名
将baseurl 添加一个 https://mirrors.aliyun.com/centos/$releasever/BaseOS/$basearch/os/
还不行:可能之前安装过,重复配置了,删除相关repo文件 即可