http://blog.csdn.net/anialy/article/details/7978671
http://blog.csdn.net/Dijason/article/details/8491475
http://blog.csdn.net/huang9012/article/details/12838615
http://www.ttlsa.com/log-system/installing-logstash-on-rhel-and-centos/
http://www.ibm.com/developerworks/library/os-rubyeclipse/
http://blog.csdn.net/hljlzc2007/article/details/17392815
http://www.infoq.com/cn/articles/review-the-logstash-book/
原文：http://www.cnblogs.com/diyunpeng/p/4455615.html