Epel 镜像
简介
EPEL (Extra Packages for Enterprise Linux), 是由 Fedora Special Interest Group 维护的 Enterprise Linux（RHEL、CentOS）中经常用到的包。
配置方法
1. 备份(如有配置其他epel源)
`mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backup
mv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup` 2. 下载新repo 到/etc/yum.repos.d/
epel(RHEL 8)
1）安装 epel 配置包
`yum install -y https://mirrors.aliyun.com/epel/epel-release-latest-8.noarch.rpm` 2）将 repo 配置中的地址替换为阿里云镜像站地址
`sed -i ‘s|^#baseurl=https://download.fedoraproject.org/pub|baseurl=https://mirrors.aliyun.com|‘ /etc/yum.repos.d/epel*
sed -i ‘s|^metalink|#metalink|‘ /etc/yum.repos.d/epel*` epel(RHEL 7)
`wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo` epel(RHEL 6)
`wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo` epel(RHEL 5)
`wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-5.repo`