apt-get update && apt-get upgrade

echo -e "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen\n" > /etc/apt/sources.list.d/mongodb-10gen.list
apt-get update
apt-get install mongodb-10gen

mongo
use graylog2
db.addUser("grayloguser", "123")
exit

apt-get install openjdk-6-jdk 
ln -s /usr/lib/jvm/java-6-openjdk-amd64 java-6-openjdk
cat <<EOF > /etc/profile.d/java.sh
export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk-amd64
EOF

source /etc/profile.d/java.sh

wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-0.20.4.deb 
dpkg -i elasticsearch- 0.20.4.deb
service elasticsearch start

mkdir -p /opt/graylog2 && cd /tmp
wget http://download.graylog2.org/graylog2-server/graylog2-server-0.11.0.tar.gz
tar -xzvf graylog2-server-0.11.0.tar.gz -C /opt/graylog2
cd /opt/graylog2
ln -sf graylog2-server-0.11.0 graylog2-server
cp graylog2-server/graylog2.conf.example /etc/graylog2.conf

#!/bin/bash

CMD=$1
NOHUP=`which nohup`

GRAYLOG2CTL_DIR="/opt/graylog2/graylog2-server/bin"
GRAYLOG2_SERVER_JAR=graylog2-server.jar
GRAYLOG2_CONF=/etc/graylog2.conf
GRAYLOG2_PID=/tmp/graylog2.pid
LOG_FILE=log/graylog2-server.log

start() {
    echo "Starting graylog2-server ..."
    cd "$GRAYLOG2CTL_DIR/.."
    sleep 2m
    $NOHUP java -jar ${GRAYLOG2_SERVER_JAR} -f ${GRAYLOG2_CONF} -p ${GRAYLOG2_PID} >> ${LOG_FILE} &
}

stop() {
    PID=`cat ${GRAYLOG2_PID}`
    echo "Stopping graylog2-server ($PID) ..."
    if kill $PID; then
        rm ${GRAYLOG2_PID}
    fi
}

restart() {
    echo "Restarting graylog2-server ..."
    stop
    start
}

status() {
    pid=$(get_pid)
    if [ ! -z $pid ]; then
        if pid_running $pid; then
            echo "graylog2-server running as pid $pid"
            return 0
        else
            echo "Stale pid file with $pid - removing..."
            rm ${GRAYLOG2_PID}
        fi
    fi

    echo "graylog2-server not running"
}

get_pid() {
    cat ${GRAYLOG2_PID} 2> /dev/null
}

pid_running() {
    kill -0 $1 2> /dev/null
}

case "$CMD" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    status)
        status
        ;;
    *)
        echo "Usage $0 {start|stop|restart|status}"
        RETVAL=1
esac

apt-get install curl

cd /tmp
wget http://download.graylog2.org/graylog2-web-interface/graylog2-web-interface-0.11.0.tar.gz
tar -xzvf graylog2-web-interface-0.11.0.tar.gz -C /opt/graylog2
cd /opt/graylog2
ln -sf graylog2-web-interface-0.11.0 graylog2-web-interface
chown www-data.www-data -R /opt/graylog2/graylog2-web-interface

Run bundle command for update json

bundle update json
bundle install

apt-get install apache2-mpm-prefork apache2-prefork-dev libapr1-dev libaprutil1-dev
or
apt-get install nginx

service apache2 start