Public bug reported:
If a system is using canonical livepatch, has it enabled, and patches
are applied, it could be confusing for a user to receive a "system
restart required" messages in the MOTD when logging in.
That message, when present, is printed by 98-reboot-required which
essentially just cats /var/run/reboot-required to stdout. That file is
placed by packages that require a reboot so that they are properly used
in their updated versions. Examples that come to mind are libc and the
kernel.
There is a secondary file that can be created which says which packages
requested the reboot. That would be /var/run/reboot-required.pkgs
Ideally that script should not print out the reboot required message if
a) livepatch is installed and enabled; b) the only trigger for the
reboot is a kernel update.
For (a), one can use the command "ubuntu-advantage is-livepatch-enabled"
and check $?. That is in the ubuntu-advantage-tools package.
** Affects: update-notifier (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1747499
Title:
98-reboot-required and Interaction with livepatch
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