Category Archives: Operations

Building in Docker Containers on GitLab CE

By | June 17, 2019

In this article I will show how I added a GitLab runner with a Docker executor to my original GitLab CE setup. This type of GitLab runner will allow me to run GitLab jobs in containers created from Docker images. Almost a year ago I wrote an article about running GitLab CE in a Docker… Read More »

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 »

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 »