只需要两个指令
//For centos 7
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -Uvh http://rpms.remirepo.net/enterprise/remi-release-7.rpm
//For centos 6
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
rpm -Uvh http://rpms.remirepo.net/enterprise/remi-release-6.rpm