I decided to rebuild my ODROID XU4 cluster’s OS with a fresh build using Ubuntu 16.04. The previous build used Ubuntu 14.04. But seeing as 14.04 is several years old at this point, I wanted to upgrade my cluster to the most recent major build of Ubuntu Linux.  For the most part, the process of building ou the OS was pretty much the same, but there are some key differences on the master node. This post is just a wholesale copy of my previous two posts (here and here) covering the same topic, but updated for Ubuntu 16.04. Configuring the ODROID XU4 Operating System Temporary Networking Setup When setting up the nodes initially, you will need to SSH into them to configure their settings. However, if we go straight to our network design, we will not be able to connect to any node between the master node is not yet set up as a router. So we will need to Read More …