阿里云yum源-epel源

Base源：

root@DOW-TEST-WJY-001 ~]# cat /etc/yum.repos.d/CentOS-Base.repo 
[base]
name=CentOS-$releasever
enabled=1
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

[updates]
name=CentOS-$releasever
enabled=1
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

[extras]
name=CentOS-$releasever
enabled=1
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

epel源：

[root@DOW-TEST-WJY-001 ~]# cat /etc/yum.repos.d/CentOS-epel.repo 
[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
enabled=1
failovermethod=priority
baseurl=http://mirrors.aliyun.com/epel/7/$basearch
gpgcheck=0
gpgkey=http://mirrors.aliyun.com/epel/RPM-GPG-KEY-EPEL-7