CentOS yum 源随时更新

网易yum源：

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo

阿里云yum源：

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

redhat官方的epel包

wget http://mirrors.ustc.edu.cn/epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm

IUS：提供最新发布的PHP、Python、Redis、git等RPM包。

wget https://centos7.iuscommunity.org/ius-release.rpm

Atomic:提供了最新版本的nginx、PHP等版本信息：

wget http://www6.atomicorp.com/channels/atomic/centos/7/x86_64/RPMS/atomic-release-1.0-21.el7.art.noarch.rpm

nginx源

wget http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm