[Unit] Description=QYWDT for IMX6UL After=network-online.target [Service] Type=simple Restart=always CPUSchedulingPolicy=rr CPUSchedulingPriority=99 IOSchedulingClass=realtime Nice=-20 TimeoutStopSec=2s ExecStop=/bin/bash -c "echo 0 > /sys/class/gpio/gpio128/value" ExecStart=/opt/lnxall_app/bin/lua /opt/lnxall_app/bin/imx6ul_watchdog.lua [Install] WantedBy=multi-user.target