centos7使用国内镜像

  1. 首先备份/etc/yum.repos.d/CentOS-Base.repo
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

    2. 下载对应版本repo文件, 放入/etc/yum.repos.d/

   这里我用的是阿里云开源镜像

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

  3. 生成缓存

yum clean all
yum makecache

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转载自blog.csdn.net/wota5037/article/details/115243351