1.安装
yum -y install epel-release
2./etc/yum.repos.d/ epel.repo
[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
baseurl=http://172.17.24.7/centos7/epel/ #改为本地的epel源
#[Amirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch #注释
failovermethod=priority
enabled=1
gpgcheck=0 #设置为0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7