![elk stack filebeats flow diagram elk stack filebeats flow diagram](https://i.pinimg.com/736x/7d/15/bb/7d15bb8716faeabba33287bd6ced5b8e--process-flow-diagram.jpg)
If Kibana isn’t running or not recognized, follow the instructions of the Install Kibana section of the ELK stack tutorial. The first step to resolving this issue is to check if Kibana is running with this command: If Kibana is not accessible, and you receive a 502 Bad Gateway error, Nginx is running but it’s unable to connect to Kibana. Cause: Nginx Is Running But Can’t Connect to Kibana
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If it reports that the service is running, you need to reconfigure Nginx, following the same instructions. If it reports that the service is not running or not recognized, resolve your issue by following the instructions of the Install Nginx section of the ELK stack tutorial. You can check the status of the Nginx service with this command: This usually indicates that Nginx isn’t running. Nginx Error:This webpage is not available When accessing Kibana via a web browser, you may encounter a page with this error: Issue: Kibana Unable to connect to Elasticsearch If you configured Logstash to use a non-default index pattern, you can resolve the issue by specifying the proper index pattern in the text box. To resolve communication issues between Filebeat and Logstash, run through the Filebeat troubleshooting sections. To resolve communication issues between Logstash and Elasticsearch, run through the Logstash troubleshooting sections. In other words, your logs aren’t making it through the chain from Filebeat, to Logstash, to Elasticsearch for some reason.
![elk stack filebeats flow diagram elk stack filebeats flow diagram](https://linuxtechlab.com/wp-content/uploads/2018/02/ELK1.jpg)
Typically, this means that your logs are not being stored in Elasticsearch due to communication issues from Logstash to Elasticsearch, and/or from your log shipper (e.g. “Unable to fetch mapping” indicates that Elasticsearch does not contain any entries that match the default logstash-* pattern. Do you have indices matching the pattern? You must select or create one to continue. Kibana warning:Warning No default index pattern.
Elk stack filebeats flow diagram how to#
Elasticsearch: How To Check If It is Running.Issue: Filebeat Can’t Connect to Logstash.Cause: SSL Certificate is Missing or Invalid.Verify Logs Are Successfully Being Shipped.Filebeat: How To Check If It is Running.Issue: Logstash Is Running but Not Storing Logs in Elasticsearch.Cause: Configuration Contains a Syntax Error.Logstash: How To Check If It is Running.Cause: Nginx Is Running But Can’t Connect to Kibana.Issue: Kibana Unable to connect to Elasticsearch.Issue: Kibana No Default Index Pattern Warning.