systemd/tlsdated.service

[Unit]
Description=Secure parasitic time daemon
After=network.target

[Service]
Type=simple
EnvironmentFile=/etc/default/tlsdated
ExecStart=/usr/sbin/tlsdated ${DAEMON_OPTS}
ExecReload=/bin/kill -HUP ${MAINPID}
ExecStop=/bin/kill -INT ${MAINPID}