13.3 EPEL 镜像源

# CentOS 7
sudo yum install -y epel-release
sudo sed -e 's|^metalink=|#metalink=|g' \
         -e 's|^#baseurl=https://download.example/pub|baseurl=https://mirrors.tuna.tsinghua.edu.cn|g' \
         -i.bak \
         /etc/yum.repos.d/epel*.repo
# CentOS Stream 9 / Rocky Linux 9
sudo dnf install -y epel-release
sudo sed -e 's|^metalink=|#metalink=|g' \
-e 's|^#baseurl=https://download.example/pub|baseurl=https://mirrors.tuna.tsinghua.edu.cn|g' \
-i.bak \
/etc/yum.repos.d/epel*.repo
sudo yum makecache  # 或 sudo dnf makecache