[Unit] Description=Power Cycle by Hotswap Controller [Service] EnvironmentFile=/run/psu_timedelay ExecStartPre=sleep $PSU_HARDRESET_DELAY ExecStart= i2cset -f -y 8 0x11 0xd9 Restart=no Type=oneshot RemainAfterExit=true StandardOutput=syslog [Install] WantedBy=gbmc-psu-hardreset.target