ISONAME="$DISTRONAME 7 Install DVD" ISOURL=7/isos/x86_64/CentOS-7-x86_64-DVD-2003.iso SHA256=087a5743dc6fd6706d9b961b8147423ddc029451b938364c760d75440eb7be14 mirrorlist=( https://mirrors.tuna.tsinghua.edu.cn/centos )