• 备份原有的yum源文件
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
  • 下载阿里云CentOS-Base.repo

Centos 5

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo

Centos 6

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

Centos 7

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyuncs.com/repo/Centos-7.repo
  • 生成缓存
yum makecache