Schema of how to create a script's daemon on /etc/init.d/

Daemon.sh

#!/bin/bash
### BEGIN INIT INFO
# Provides:          start-hadoop
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start Jupyter Notebook's service
# Description:       Executes jupyter notebook in background.
### END INIT INFO

case $1 in
    start)
        /bin/bash "$ROUTE_TO_PROGRAM_STARTER"
    ;;
    stop)
        /bin/bash "$ROUTE_TO_PROGRAM_KILLER"
    ;;
    restart)
        /bin/bash "$ROUTE_TO_PROGRAM_KILLER"
        /bin/bash "$ROUTE_TO_PROGRAM_STARTER"
    ;;
esac
exit 0

Program killer.sh

#!/bin/bash
PROCESS_NAME='[j]upyter-notebook'
pid=`ps aux | grep $PROCESS_NAME | awk '{print $2}'`
kill -9 $pid

Program starter.sh

#!/bin/bash
# Start instruction. Examples:
#   /bin/echo "Hello world!"
#   java -jar $ROUTE_TO_JAR