5 fdisk -l /dev/sdc | tee fdisk.$id
8 mount /dev/sdc1 mnt/boot
12 rsync -ravH --numeric-ids --sparse --delete mnt/ rootfs/ | tee log.$id
13 btrfs sub snap -r rootfs rootfs.$id
15 systemd-nspawn --directory mnt/ passwd pi
16 systemd-nspawn --directory mnt/ vi /etc/fstab /etc/init.d/gumb.sh