I just did a
do-release-upgrade of the OS from Ubuntu 14.04 to Ubuntu 16.04 (instructions).
Seems to have gone well.
Per the Discourse installation instructions I then performed
dpkg-reconfigure -plow unattended-upgrades so that security updates are applied automatically.
I got this -
Can I assume the command worked, and this warning requires no action?
I also have this message when I do an