doc: Give references and examples for services-to-restart.

* doc/guix.texi (Unattended Upgrades): Give references and examples
for services-to-restart.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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Simon Josefsson 2020-12-01 10:10:17 +01:00 committed by Ludovic Courtès
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@ -17198,6 +17198,10 @@ only restarts services that are not currently running, which is
conservative: it minimizes disruption but leaves outdated services
running.
Use @command{herd status} to find out candidates for restarting.
@xref{Services}, for general information about services. Common
services to restart would include @code{ntpd} and @code{ssh-daemon}.
By default, the @code{mcron} service is restarted. This ensures that
the latest version of the unattended upgrade job will be used next time.