Category Archives: Operations

Alerting with the E(L)K Stack and Elastalert Revisited

By | June 16, 2017

In this article I will revisit the example from my previous article Alerting with the ELK Stack and Elastalert. The same scenario as in the earlier article will be used; a Mule ESB CE instance with a Mule application will be monitored using JMX. The new example will use Metricbeat instead of Logstash to poll… Read More »

Managing Containers – Shipyard

By | July 10, 2016

I am looking for something to help me manage multiple Docker hosts and the applications running on those hosts. Again, I will use my virtual laboratory, to start exploring the alternatives. In this first article I will look at Shipyard, which is an open-source application for managing a Docker cluster. Wishlist Before looking at anything I think… Read More »

Switching from Ubuntu Based to Alpine Linux Based Docker Image

By | February 13, 2016

Some time ago I red about the Iron.io and how they created very small Docker images for different languages, such as Python, Java etc. Some days ago I was looking into how to make my Elastalert Docker image smaller, mostly as a therapeutic task, when I recalled the Iron.io Docker images. A quick search revealed… Read More »

Alerting with the ELK Stack and Elastalert

By | December 6, 2015

Based on my article on JMX Monitoring with the ELK Stack and the article on creating a Docker image with Elastalert, I will now combine these and add the missing part, alerting, to the monitoring and alerting stack I have worked my way towards. Preparations The different configuration files used in this article’s example available… Read More »

Creating an Elastalert Docker Image on Docker Hub

By | October 19, 2015

In this article I will show how I created a Docker image for Elastalert and create an automated build for the image on Docker Hub. Among other things, I will show how to wait on other services that a service running in a Docker container depends on. Introduction For those who are not familiar with Elastalert… Read More »

JMX Monitoring with Docker and the ELK Stack

By | September 27, 2015

This article will show how to monitor a Java Virtual Machine (JVM) running in a Docker container using JMX and the ELK stack, consisting of Elasticsearch, Logstash and Kibana, running in another Docker container. In addition there will be a simple example on how to use Docker Compose. In the example I will run an… Read More »