一、现象
使用yum makecache命令时报错
[root@MiWiFi-R3L-srv ~]# yum makecache Loaded plugins: fastestmirror Repository base is listed more than once in the configuration Repository updates is listed more than once in the configuration Repository extras is listed more than once in the configuration Repository centosplus is listed more than once in the configuration Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com http://mirrors.aliyun.com/centos/%24releasever/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found Trying other mirror. To address this issue please refer to the below wiki article
二、原因
三、解决方案
参考地址：
https://www.jianshu.com/p/925960eaeb21
https://www.repo.cloudlinux.com/cloudlinux/migrate/release-files/centos/7/x86_64/
原文：https://www.cnblogs.com/jayce9102/p/12327472.html