+# for switching the boot to root2
+zboot
+# for switching back, efibootmgr, if there is a problem with the root filesystem detection,
+# boot into the debian bootstrap distro, run partition.DEFAULT using comments for mktab arg.
+# then manually run iboot and then reboot.
+
+
+# pine rock64 notes
+# the only useful image is ubuntu 18.04 ayafun or something.
+# using emmc usb:
+s mount /dev/sdb7 /mnt/1
+s cp `which qemu-arm-static` /mnt/1/usr/bin
+s chroot /mnt/1 qemu-arm-static /bin/bash
+usermod --login iank --move-home --home /home/iank rock46
+groupmod --new-name iank rock64
+passwd iank
+# boot it
+s apt-get update
+s apt dist-upgrade
+
+
+### How to merge upstream fai-config
+
+git checkout upstream
+cd path-to-fai-config
+git pull --stat
+# the following needs modification if there was deletions or renames
+rsync --exclude /.git -rlpgoDcvi . /b/fai/fai/config/
+cd /b/fai/fai/config/
+# where XXXXX is the git commit hash
+# note, several files which just had trailing space changes will get ignored.
+git commit -am "update upstream to XXXXX"
+git checkout master
+git merge upstream
+# fix conflicts
+git commit
+