A few days ago I blogged about my holiday project (Building a private cloud with Docker [1]) which is just a proof of concept as it lacks important features. One of them is monitoring which is a tough topic in cluster environments. There are a few open source, free to use monitoring solutions for Docker … Continue reading Monitoring for the private Docker cloud project
Month: Sep 2015
Building a private cloud with Docker
Abstract: In this post I'll describe how to create a private cloud with Docker, Varnish and a lot of shell scripting on a set of private (virtual) servers. This post assumes intermediate knowledge of related techniques. I will still once in a while go into setup details because, well, this is also an exercise for … Continue reading Building a private cloud with Docker
Tomcat starts slowly in docker container
Just a little reminder to self: when running Tomcat with Java 8 in an Ubuntu Docker container, Tomcat will take a very long time (minutes!) to start with even the simplest web application. The issue is actually documented (not entirely Docker-related). The solution is to modify JAVA_OPTS to use a different random device: JAVA_OPTS=-Djava.security.egd=file:/dev/urandom