A Blog about Elasticsearch, Logstash and Kibana

Welcome to EagerELK, a blog about Elasticsearch, Logstash and Kibana. Browse through the posts below to get a feel for how you can use the ELK stack to solve your data problems. Also check out our white papers and resources in the links above.

Logstash CloudWatch input plugin Updated

We’ve previously released the Logstash CloudWatch Input plugin to fetch CloudWatch metrics from AWS. Since then we’ve realized that it’s not as complete or as configurable as we’d like it to be. So we’ve refactored it significantly,...

How to write a Logstash plugin

One of the killer features of Logstash is it’s extensibility: You can use various official and unofficial plugins to add the functionality you need to Logstash. Further to that, if you can’t find an existing plugin, it’s relatively simple to write...

Logstash CloudWatch input plugin

UPDATE: We’ve released a significantly updated version of this input. See this post for more details. Amazon’s CloudWatch service provides statistics on various metrics for AWS services. You can track CPU Utilization and credit usage on EC2, the amount of...

How to Configure the Logstash Metrics filter

This short guide will look at the Logstash Metrics filter. It often happens that you’re not interested in actual events, but just the number of times an event occurs in a specific period of time. Logstash supports counting events and measuring their velocity...

How to Configure the Logstash Date filter

Even though Logstash is great for parsing events as they happen, you can also use it to process historical data. Normally logstash will timestamp an event with the time when the event was initially processed. This isn’t ideal when you’re trying to analyze...

How to Configure the HTTP Logstash output

This short guide will look at the HTTP output for Logstash. HTTP is ubiquitous on the Internet. So much so that most people don’t even know they use it every day. Most API’s out there use HTTP. Logstash provides both an HTTP input and output, enabling you...

How to Configure the TCP Logstash input

This short guide will look at the TCP input for Logstash. TCP is a stream protocol with which data can be sent over a network. It forms part of the TCP/IP protocol suite that forms the core of network communication on the internet. This input will allow you to set...

How to Configure the syslogd Logstash Input

This short guide will look at the syslogd input for Logstash. Syslogd is a standard that defines parameters around logging and a protocol to send logs to a remote server. It’s very useful if you want to separate log generation and storage, and allows you to...

The EagerELK Author

Jurgens du Toit

Jurgens du Toit

Coder. Thinker. Human Being

The Logstash Config Guide

Pain Free Logstash Configuration



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