I have configured an ELK stack in my local environment by following up the below document (link to the document)
As per the documentation and per my understanding I have successfully completed the implementation. However, file beat client is not publishing data to the elasticSearch
filebeat -c /etc/filebeat/filebeat.yml -e -v
2018/04/25 12:02:14.609792 geolite.go:24: INFO GeoIP disabled: No paths were set under output.geoip.paths
2018/04/25 12:02:14.610560 logstash.go:106: INFO Max Retries set to: 3
2018/04/25 12:02:14.611332 outputs.go:126: INFO Activated logstash as output plugin.
2018/04/25 12:02:14.612172 publish.go:288: INFO Publisher name: localhost
2018/04/25 12:02:14.613198 async.go:78: INFO Flush Interval set to: 1s
2018/04/25 12:02:14.613502 async.go:84: INFO Max Bulk Size set to: 1
2018/04/25 12:02:14.614102 beat.go:168: INFO Init Beat: filebeat; Version: 1.3.1
2018/04/25 12:02:14.615784 beat.go:194: INFO filebeat sucessfully setup. Start running.
2018/04/25 12:02:14.615835 registrar.go:68: INFO Registry file set to: /var/lib/filebeat/registry
2018/04/25 12:02:14.615859 registrar.go:80: INFO Loading registrar data from /var/lib/filebeat/registry
2018/04/25 12:02:14.616068 prospector.go:133: INFO Set ignore_older duration to 0s
2018/04/25 12:02:14.616082 prospector.go:133: INFO Set close_older duration to 1h0m0s
2018/04/25 12:02:14.616091 prospector.go:133: INFO Set scan_frequency duration to 10s
2018/04/25 12:02:14.616100 prospector.go:93: INFO Input type set to: log
2018/04/25 12:02:14.616109 prospector.go:133: INFO Set backoff duration to 1s
2018/04/25 12:02:14.616118 prospector.go:133: INFO Set max_backoff duration to 10s
2018/04/25 12:02:14.616124 prospector.go:113: INFO force_close_file is disabled
2018/04/25 12:02:14.616139 prospector.go:143: INFO Starting prospector of type: log
2018/04/25 12:02:14.619449 log.go:115: INFO Harvester started for file: /var/log/auth.log
2018/04/25 12:02:14.619690 spooler.go:77: INFO Starting spooler: spool_size: 2048; idle_timeout: 5s
2018/04/25 12:02:14.620954 log.go:115: INFO Harvester started for file: /var/log/syslog
2018/04/25 12:02:14.623061 crawler.go:78: INFO All prospectors initialised with 7 states to persist
2018/04/25 12:02:14.623102 registrar.go:87: INFO Starting Registrar
2018/04/25 12:02:14.623140 publish.go:88: INFO Start sending events to output
2018/04/25 12:02:14.795533 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:02:14.795847 single.go:154: INFO send fail
2018/04/25 12:02:14.795946 single.go:161: INFO backoff retry: 1s
2018/04/25 12:02:15.807622 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:02:15.808011 single.go:154: INFO send fail
2018/04/25 12:02:15.808087 single.go:161: INFO backoff retry: 2s
2018/04/25 12:02:17.824012 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:02:17.824411 single.go:154: INFO send fail
2018/04/25 12:02:17.824480 single.go:161: INFO backoff retry: 4s
2018/04/25 12:02:21.829173 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:02:21.829524 single.go:154: INFO send fail
2018/04/25 12:02:21.829715 single.go:161: INFO backoff retry: 8s
2018/04/25 12:02:29.836255 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:02:29.836625 single.go:154: INFO send fail
2018/04/25 12:02:29.836691 single.go:161: INFO backoff retry: 16s
2018/04/25 12:02:45.845455 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:02:45.845504 single.go:154: INFO send fail
2018/04/25 12:02:45.845526 single.go:161: INFO backoff retry: 32s
2018/04/25 12:03:17.852987 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:03:17.853040 single.go:154: INFO send fail
2018/04/25 12:03:17.853056 single.go:161: INFO backoff retry: 1m0s
2018/04/25 12:04:17.857764 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:04:17.857808 single.go:154: INFO send fail
2018/04/25 12:04:17.857824 single.go:161: INFO backoff retry: 1m0s
2018/04/25 12:05:17.882418 single.go:77: INFO Error publishing events (retrying): EOF
2018/04/25 12:05:17.882437 single.go:154: INFO send fail
2018/04/25 12:05:17.882445 single.go:161: INFO backoff retry
Because of the above issue logs are not publishing to the Elasticsearch.