centos 7 更新阿里云 yum 源

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

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

yum clean all

yum makecache

cd /etc/yum.repos.d

vim CentOS-Base.repo

修改 CentOs-Base.repo中的所有 http:// 为 https:// ,并保存退出。

yum update

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转载自blog.csdn.net/gaoxu529/article/details/117306995