[Unit] Description=chrony, an NTP client/server Documentation=man:chronyd(8) man:chronyc(1) man:chrony.conf(5) Conflicts=systemd-timesyncd.service openntpd.service After=network.target [Service] Type=forking PIDFile=/run/chronyd.pid EnvironmentFile=-/etc/default/chrony # Starter takes care of special cases mostly for containers ExecStart=/usr/lib/systemd/scripts/chronyd-starter.sh $DAEMON_OPTS ExecStartPost=-/usr/lib/chrony/chrony-helper update-daemon PrivateTmp=yes ProtectHome=yes ProtectSystem=full [Install] Alias=chronyd.service WantedBy=multi-user.target