[Unit]
Description=Flow-capture Capture Traffic Flow Data
After=network.target 

[Service]
User=flow-tools
Group=flow-tools
Type=forking
EnvironmentFile=-/etc/sysconfig/flow-capture
PIDFile=/run/flow-capture.pid
ExecStart=/usr/bin/flow-capture -p /run/flow-capture.pid $OPTIONS

[Install]
WantedBy=multi-user.target