Le 23/04/2021 à 09:48, Yvan Masson a écrit :
[...]
I would expect the session to be completely closed, LightDM stopped, and
the console or Plymouth displaying a message indicating the ongoing
updates.
[...]
Hello,
Disclaimer: I have never experimented myself whait I suggest
Perhaps adapting the unattended-upgrades.service systemd service by
declaring that the lightdm service is to be stopped before this service
is started would do.
As for Plymouth notifying about ugrades during shutdown, if it is not
already the case (when unattended-upgrades the
unattended-upgrades.service systemd service to script Plymouth, or more
simply, setup Plymouth to be more informative
http://blog.fpmurphy.com/2009/09/project-plymouth.html