配置阿里yum源
#配置perl源 [root@docker ~]# curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/epel-7.repo #配置yum源 [root@docker ~]# curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
原文：https://www.cnblogs.com/jiangxm157/p/14721577.html