．Method 1: traditional
1. WRITE: /etc/init.d/triggerd
to run script or daemon: $TRIGGERD_HOME/bin/triggerMyService.sh
#!/bin/bash
start_triggerd=$TRIGGERD_HOME/bin/triggerMyService.sh
stop_triggerd=$TRIGGERD_HOME/bin/triggerMyService.sh
start() {
echo -n “Starting MyService”
}
stop() {
echo -n “Shutdown MyService”
}
#how we were called
case “$1” in
start)
start
;;
stop)
stop
;;
restart)
stop
sleep 10
start
;;
*)
echo “Usage: $0 {start|stop|restart}”
esac
exit 0
2. chmod 777 /etc/init.d/triggerd
．Method 2: systemctl