http://udn.yyuap.com/doc/logstash-best-practice-cn/get_start/daemon.html http://branguo.blog.51cto.c
http://udn.yyuap.com/doc/logstash-best-practice-cn/get_start/daemon.html
http://branguo.blog.51cto.com/9768383/1902858
https://www.ibm.com/developerworks/cn/opensource/os-cn-elk-filebeat/index.html
