ubuntu 14 64 bits install ELK - March 2015.

1, install jdk
apt-get update

apt-get upgrade

apt-get install openjdk-7-jdk

2, install elasticsearch-1.4.4 

wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.4.4.deb

dpkg -i elasticsearch-1.4.4.deb

3, install logstash_1.4.2

dpkg -i logstash_1.4.2-1-2c0f5a1_all.deb

Create conf file:

vim /etc/logstash/conf.d/test.conf

input {
  file {
    type => "tomcat_access"
    path => [ "/home/ubuntu/elk/samplelogs/*.log" ]
    start_position => "beginning"
  }
}
filter {
 if [type] == "tomcat_access" {
   grok{
     patterns_dir => "./patterns"
     match => [ "message", '%{IPORHOST:client} %{DATA} %{DATA:user} \[%{DATA:timestamp} %{ISO8601_TIMEZONE:timezone}\] \"%{WORD:method} %{URIPATH:uri_path}(%{URIPARAM:params}|) %{DATA:protocol}\" %{NUMBER:code} (%{NUMBER:bytes}|%{DATA}) %{NUMBER:time_taken}' ]
     overwrite => [ "message" ]
   }
   date {
     locale => "en"
     match => [ "timestamp", "dd/MMM/yyyy:HH:mm:ss" ]
     timezone => "UTC"
     target => "logTimestamp"
   }
   mutate {
    convert => [ "code", "integer" ]
    convert => [ "time_taken", "integer" ]
  }
 }
}
output {
  stdout {
    codec => rubydebug
  }
  elasticsearch {
    host => "localhost"
    protocol => "http"
    port => "9200"
    node_name => "elk-test"
  }
}

4, install  kibana-4.0.1
wget https://download.elasticsearch.org/kibana/kibana/kibana-4.0.1-linux-x64.tar.gz

tar zxvf kibana-4.0.1-linux-x64.tar.gz

mv kibana-4.0.1-linux-x64 /opt/

5, Add kibana into startup service

https://github.com/akabdog/scripts/blob/master/kibana4_init

6, run services:

/etc/init.d/elasticsearch start

/etc/init.d/logstash start

/etc/init.d/kibana4 start

7, access kibana

http://x.x.x.x:5601/

If you cannot open this page, try to open the port 5601 from your firewall.