1, CentOS 6 x86_64
wget -P /etc/yum.repos.d/ http://mirrors.aliyun.com/repo/epel-6.repo
yum clean all
yum makecache
yum repolist
rm -rf /etc/yum.repos.d/*
wget -P /etc/yum.repos.d/ http://mirrors.aliyun.com/repo/epel-6.repo http://mirrors.aliyun.com/repo/Centos-6.repo
2, CentOS 7 x86_64
wget http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-10.noarch.rpm
rpm -ivh epel-release-7-10.noarch.rpm
yum repolist (检查是否安装成功)
yum --enablerepo=epel info nginx (查看)
yum --enablerepo=epel install nginx (用epel 源安装)
本文出自 “hhslinux” 博客，谢绝转载！
原文：http://hhslinux.blog.51cto.com/5656312/1953220