A example rhel service init script.

service-init

#!/bin/bash

### BEGIN INIT INFO
# Provides:          test
# Required-Start:    postgresql networking
# Required-Stop:     postgresql networking
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: test
# Description:       test
### END INIT INFO
. /etc/init.d/functions

NAME=test
PID_FILE="/var/run/${NAME}.pid"
DELAY=0

# only usable for root
[ $EUID = 0 ] || exit 4

status_q() {
  status -p $PID_FILE $NAME > /dev/null
  return $?
}

start_app() {
   nohup node /tmp/test.js >/dev/null 2>&1 </dev/null &
   return $?
}

check_config() {
   # Do not start if there is no config file.
   # [ ! -f "$CONFIG_FILE" ] && return 6
   return 0
}

start() {
        status_q; res=$?

  if [ $res -eq 3 ]; then   
           echo -n $"$NAME starting..."
           
	   start_app
           
           echo $! > $PID_FILE 
          
           [ $DELAY -gt 0 ] && sleep $DELAY 
           status_q; res=$?

           [ $res -eq 0 ] && success || failure
           echo
        elif [ $res -eq 0 ]; then
	   success; echo "$NAME is already running"
	else
           failure; echo "$NAME is not running, res: $res"
	fi
 	return $res
}

stop() {
        status_q; res=$?
        if [ $res -eq 3 ]; then
	   success && echo "$NAME is not running"
        else
	   killproc -p $PID_FILE; res=$?
	
	   if [ $res -eq 0 ]; then
	     rm -f PID_FILE
             success && echo "$NAME has been stopped"
           else
             failure && echo "$NAME cannot be stopped ($res)"
           fi
	fi

	return $res
}

case $1 in
  start)
	   start
	   exit $?
  ;;
  stop)
	   stop
	   exit $?
  ;;
  status)
     echo -n $"$NAME running..."
	   status_q; res=$?

     [ $res -eq 0 ] && success || failure
     echo
	   exit $res
  ;;
  restart)
	   stop
	   start
	   exit $?
  ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 2
    ;;
esac