After update Debian (or Ubuntu) using
apt-get update && apt-get -V upgradeyou need to know which services need restart and if system reboot is required (kernel upgrade).
A common workaround was to use checkrestart (which
included in debian-goodies package) and
/usr/lib/update-notifier/update-motd-reboot-required
(which included in update-notifier-common package).
The package needrestart
Since Debian Jessie (and latest Ubuntu versions
of course), the package needrestart will do all the
job nice and easy:
Setup needrestart
apt-get install needrestart
needrestart will run automatically after each
upgrade (apt-get update && apt-get -V upgrade) and
will inform you with a friendly interface for each situation:
In case some services need restart
needrestart will display services need restart and
prompt you to enter your choice:
In case system reboot required
needrestart will inform you that system must be
rebooted (in order to use the new kernel):
In case restart is not needed
After scanning processes and kernel images,
needrestart will inform you that “No services need to
be restarted” (everything OK)
Run it independently
Of course, you can call it anytime you want to check your system:
needrestart
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