Update Beaglebone firmware & kernel

Note: This process can leave Beaglebone unable to boot if out of space in the / partition. If the Beaglebone is working, leave it alone.

Ensure at least 100 MB free / disk space via

df -h

Then, on the Beaglebone run the updater

cd /opt/scripts/tools

git pull

./update_kernel.sh

Finally, reboot Beaglebone.

If the Beaglebone is messed up, it may be necessary to reinstall Linux from scratch.