Script de inicialização do tomcat via terminal Ubuntu

- Modificar endereço das pastas no script

- Salvar esse script na pasta /etc/init.d/

- Dar permissão de execução

- Comandos: 
service tomcat start
service tomcat restart
service tomcat stop
service tomcat status 

- Esse script também mostra as saidas do dos logs de catalina.out

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#!/bin/bash
#
# tomcat This shell script takes care of starting and stopping Tomcat
#
# chkconfig: - 80 20
#
### BEGIN INIT INFO
# Provides: tomcat
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start:
# Default-Stop:
# Short-Description: start and stop tomcat
### END INIT INFO

TOMCAT_USER=openbravo
TOMCAT_HOME="/apache-tomcat-6.0.37"
SHUTDOWN_WAIT=30

tomcat_pid() {
    echo `ps aux | grep org.apache.catalina.startup.Bootstrap | grep -v grep | awk '{ print $2 }'`
}

start() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]
    then
        echo "Tomcat is already running (pid: $pid)"
    else
        # Start tomcat
        echo "Starting tomcat"
        /bin/su - -c "cd $TOMCAT_HOME/bin && $TOMCAT_HOME/bin/startup.sh" $TOMCAT_USER
        tail -f /apache-tomcat-6.0.37/logs/catalina.out
    fi
    return 0
}

stop() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]
    then
        echo "Stoping Tomcat"
        /bin/su - -c "cd $TOMCAT_HOME/bin && $TOMCAT_HOME/bin/shutdown.sh" $TOMCAT_USER

    let kwait=$SHUTDOWN_WAIT
    count=0
    count_by=5
    until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ]
    do
        echo "Waiting for processes to exit. Timeout before we kill the pid: ${count}/${kwait}"
        sleep $count_by
        let count=$count+$count_by;
    done

    if [ $count -gt $kwait ]; then
        echo "Killing processes which didn't stop after $SHUTDOWN_WAIT seconds"
        kill -9 $pid
    fi
    else
        echo "Tomcat is not running"
    fi

    return 0
}

case $1 in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    status)
        pid=$(tomcat_pid)
        if [ -n "$pid" ]
        then
            echo "Tomcat is running with pid: $pid"
        else
            echo "Tomcat is not running"
        fi
        ;;
    *)
        echo $"Uso correto: service tomcat {start | stop | restart | status}"
        ;;
esac

exit 0