This blog post provides a little cheat sheet on running a Linux host with or without a Docker client behind HTTP proxies. For Ubuntu and similar Linux distributions, we will also show how to detect the proxy available and adapt…
CoreOS Cluster Discovery & Troubleshooting
This blog post explores CoreOS cluster discovery problems and how to troubleshoot them. This blog post is part 8 of my DDDocker (a dummy's docker diary) series. Since this post is one of my more popular blog posts on linkedIn, I have…
Docker Java Performance Tests
In this blog we will show the surprising result that Docker on Ubuntu seems to outperform Docker on CoreOS by ~30%, when tested with a java templating web service. But first let us discuss the reason on why I have started the…
Docker CoreOS Cluster in less than 10 Minutes
Install a Docker Cluster in less than 10 Minutes This blog shows, how a Docker CoreOS cluster can be set up in ~10 minutes (dependent on your Internet speed), excluding the time to install Vagrant, Virtualbox and git. In order…
Docker CoreOS Cluster Failover Test in less than 15 Minutes
In this post, I will explore services failover scenarios for docker containers on CoreOS clusters using fleet. A container-based service will be defined and started, and we will explore the service recovery after a failure of one or all cluster nodes (e.g.…
