Logstash - NGINX and HTTPD logs

  • Posted on November 25, 2014
  • vinnyAsked by vinny

Hi Mitchell - Your guide on getting ELK setup was perfect. Worked like a charm. What do I do if I want to import previous log files (e.g., maillog-date or maillog.processed.x.gz)?

Also, I would like to import NGINX or HTTPD logs. is there a specific formula that I need to use to import and parse them?


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I’m not @manicas, but hopefully I can help! First of all, I’d suggest you take a look at the second part of his series: Adding Logstash Filters To Improve Centralized Logging It specifically covers Nginx and Apache logs.

Generally, there are two main pieces to getting a log from the server being monitored to the ELK server. Using Nginx as an example, you need to add a new entry to the the “files” section of /etc/logstash-forwarder

      "paths": [
      "fields": { "type": "nginx-access" }

This tells the logstash-forwarder to send /var/log/nginx/access.log to the ELK instance.

One the other end, you’d need to create a filter telling logstash how to parse the file. The tutorial give an example.

This site can come in very useful when writing filters: