Ubuntu update procedure
Brain dump.
# from here: https://askubuntu.com/a/862799/870970
apt-get update && apt-get --with-new-pkgs upgrade
# restart
reboot
# do it again
apt-get update && apt-get --with-new-pkgs upgrade
# remove shit
apt autoremove
#
# UPGRADE
#
do-release-upgrade
# done.