[TOC] ### **国内源** 这里我们给出epel的阿里云镜像源`ustc-epel.repo` ``` [aliyun-epel] name=aliyun-epel baseurl=http://mirrors.aliyun.com/epel/7/$basearch enabled=1 gpgcheck=0 ``` ### **官方源** epel.repo ``` [epel] name=Extra Packages for Enterprise Linux 7 - $basearch #baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch failovermethod=priority enabled=1 gpgcheck=0 ```