参考:阿里配置文件
yum clean all && yum makecache
问题解决:
1、yum Could not resolve host: mirrors.cloud.aliyuncs.com; Unknown error解决
到cd /etc/yum.repos.d/目录下
修改文件CentOS-Base.repo和epel.repo中所有
http://mirrors.cloud.aliyuncs.com为http://mirrors.aliyun.com/centos
最后运行yum -y update即可
