CentOS-Stream-9-latest-x86_64 更换为aliyun源 更换阿里源

mkdir /etc/yum.repos.d/backup

cp /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup/

sed -i 's|metalink|#metalink|g' /etc/yum.repos.d/*.repo

sed -i '/name=CentOS Stream $releasever - BaseOS/a baseurl=https://mirrors.aliyun.com/centos-stream/$stream/BaseOS/$basearch/os/' /etc/yum.repos.d/*.repo

sed -i '/name=CentOS Stream $releasever - AppStream/a baseurl=https://mirrors.aliyun.com/centos-stream/$stream/AppStream/$basearch/os/' /etc/yum.repos.d/*.repo

sed -i '/name=CentOS Stream $releasever - Extras packages/a baseurl=https://mirrors.aliyun.com/centos-stream/SIGs/$stream/extras/$basearch/extras-common/' /etc/yum.repos.d/*.repo

yum clean all

yum makecache

yum update