source distro/ubuntu/22.04/config ISONAME="$DISTRONAME ${_ver} amd64" ISOURL="${_ver}/ubuntu-${_ver}-desktop-amd64.iso" SHA256=b98dac940a82b110e6265ca78d1320f1f7103861e922aa1a54e4202686e9bbd3 mirrorlist=( http://releases.ubuntu.com http://mirrors.ustc.edu.cn/ubuntu-releases https://mirrors.tuna.tsinghua.edu.cn/ubuntu-releases )