[fotios@fotios logstash]$ cat mylogstash.conf
input {
  file {
    type => "syslog"
    path => [ "/var/log/foobar" ]
  }
}

output {
  stdout { }
  elasticsearch { embedded => true }
}


[fotios@fotios logstash]$ java -jar logstash-1.0.17-monolithic.jar agent -f mylogstash.conf -- web --backend elasticsearch:///?local
log4j:WARN No appenders could be found for logger (org.elasticsearch.node).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
file:/home/fotios/logstash/logstash-1.0.17-monolithic.jar!/logstash/time.rb:12 warning: already initialized constant ISO8601
W, [2011-10-04T18:21:43.442000 #12423]  WARN -- runner.class: Input #<LogStash::Inputs::File:0x394aa6c3> shutting down