The document discusses the Elastic Stack, which is a suite of open source tools for data ingestion, enrichment, storage, analysis, and visualization. It includes Logstash for data collection and processing, Elasticsearch for searching and analyzing, and Kibana for visualizing data. The document provides examples of Logstash configuration with input, filter, and output plugins and demonstrates how to compose an Elastic Stack pipeline to collect and analyze web server logs.

1. Fundamental Elastic Stack
MINSOO JUN

2. Elastic Stack
What is Elastic Stack
ELK
From Version 5

3. Elastic Stack
What is Elastic Stack
From Version 5

4. What is Elastic Stack

5. What is Elastic Stack

6. What is Elastic Stack

7. What is Elastic Stack

8. Logstash
INPUTS
FILTERS
OUTPUTS

9. Composition

10. Demo Composition

11. Demo Composition
8.29.198.26 - - [12/Nov/2017:03:50:31 +0900] "GET /feed/ HTTP/1.1" 304 - "-" "Feedly/1.0 (+http://www.feedly.com/fetcher.html; like FeedFetcher-Google)”
163.172.68.238 - - [12/Nov/2017:03:53:19 +0900] "GET /robots.txt HTTP/1.1" 200 67 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.7; http://mj12bot.com/)”
163.172.68.238 - - [12/Nov/2017:03:53:22 +0900] "GET /tag/%EA%B3%A0%EA%B5%B0%EB%B6%84%ED%88%AC%EA%B8%B0/page/2/ HTTP/1.1" 200 28622 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.7; http://mj12bot.com/)”
60.191.38.78 - - [12/Nov/2017:04:59:41 +0900] "GET / HTTP/1.1" 200 36829 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:47.0) Gecko/20100101 Firefox/47.0"

12. Demo Composition
input { }
filter { }
output{ }

13. Demo Composition
input { }
filter { }
output{ }

14. Demo Composition
input { }
filter { }
output{ }

15. Demo Composition

16. Demo Composition

17. Demo

18. END