#!/bin/bash
# nxt daemon
# chkconfig: 345 20 80
# description: nxt daemon
# processname: nxt

DAEMON_PATH="/nxt"

DAEMON=/usr/bin/java
DAEMONOPTS="-Xms1024m -Xmx2048m -jar start.jar"

NAME=nxt
DESC="NXT java daemon script"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

case "$1" in
start)
	printf "%-50s" "Starting $NAME..."
	cd $DAEMON_PATH
	PID=`$DAEMON $DAEMONOPTS > /dev/null 2>&1 & echo $!`
	#echo "Saving PID" $PID " to " $PIDFILE
        if [ -z $PID ]; then
            printf "%s\n" "Fail"
        else
            echo $PID > $PIDFILE
            printf "%s\n" "Ok"
        fi
;;
status)
        printf "%-50s" "Checking $NAME..."
        if [ -f $PIDFILE ]; then
            PID=`cat $PIDFILE`
            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
                printf "%s\n" "Process dead but pidfile exists"
            else
                echo "Running"
            fi
        else
            printf "%s\n" "Service not running"
        fi
;;
stop)
        printf "%-50s" "Stopping $NAME"
            PID=`cat $PIDFILE`
            cd $DAEMON_PATH
        if [ -f $PIDFILE ]; then
            kill -HUP $PID
            printf "%s\n" "Ok"
            rm -f $PIDFILE
        else
            printf "%s\n" "pidfile not found"
        fi
;;

restart)
  	$0 stop
  	$0 start
;;

*)
        echo "Usage: $0 {status|start|stop|restart}"
        exit 1
esac

nano /etc/init.d/nxt

*copy the script*

make sure to "chmod +x /etc/init.d/nxt" after copying so you can running it at startup

DAEMON_PATH="/nxt"

DAEMON=/usr/bin/java
DAEMONOPTS="-Xms1024m -Xmx2048m -jar start.jar"

/etc/init.d/nxt start ( starting daemon )
/etc/init.d/nxt stop ( stopping daemon )
/etc/init.d/nxt restart ( restart daemon )
/etc/init.d/nxt status ( your daemon status )

chkconfig nxt on