摘要：
一、更换并配置repo1、更新repo文件 mv /etc/yum.repos.d/rhel-debuginfo.repo /etc/yum.repos.d/rhel-debuginfo.repo.repo.bakvi /etc/yum.repos.d/rhel-debuginfo.repo编辑内容为：# CentOS-Base.repo## The mirror system uses the connecting IP address of the client and the# update status of each mirror to pick mirrors that are u 阅读全文