备份:

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

下载:

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

然后执行

yum clean all 

yum makecache

 posted on 2018-12-12 09:24  WU大雄  阅读(169)  评论(0编辑  收藏  举报