一些linux发行版的rootfs下载地址
Alpine
https://dl-cdn.alpinelinux.org/alpine/v3.9/releases/aarch64/
Void
https://alpha.de.repo.voidlinux.org/live/current/
https://alpha.de.repo.voidlinux.org/live
Nethunter
wget -O nethunter-rootfs-amd64.tar.xz https://build.nethunter.com/kalifs/kalifs-latest/kalifs-amd64-full.tar.xz
wget -O nethunter-rootfs-i386.tar.xz https://build.nethunter.com/kalifs/kalifs-latest/kalifs-i386-full.tar.xz
wget -O nethunter-rootfs-armhf.tar.xz https://build.nethunter.com/kalifs/kalifs-latest/kalifs-armhf-full.tar.xz
wget -O nethunter-rootfs-arm64.tar.xz https://build.nethunter.com/kalifs/kalifs-latest/kalifs-arm64-full.tar.xz
archlinux
https://eu.mirror.archlinuxarm.org/
ubuntu
http://cdimage.ubuntu.com/ubuntu-base/releases/
https://partner-images.canonical.com/core/
