[Unit]
Description=vnStat network traffic monitor
Documentation=man:vnstatd(1) man:vnstat(1) man:vnstat.conf(5)
After=network-online.target

[Service]
ExecStart=/usr/bin/vnstatd --nodaemon
ExecReload=/bin/kill -HUP $MAINPID

[Install]
WantedBy=multi-user.target