更换EPEL国内阿里源

备份原epel源

mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backupmv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup

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