it is the same path /etc/systemd/system/influxd.service and it is a symlink
to /lib/systemd/system/influxdb.service
[Service]
User=influxdb
Group=influxdb
LimitNOFILE=65536
EnvironmentFile=-/etc/default/influxdb
ExecStart=/usr/lib/influxdb/scripts/influxd-systemd-start.sh
KillMode=control-group
Restart=on-failure
Type=forking
PIDFile=/var/lib/influxdb/influxd.pid
