Hi, My host machine is a server running Ubuntu 16.04.2 LTS (GNU/Linux 3.13.0-117-generic x86_64). I'm running VirtualBox 5.0.40_Ubuntu r115130. I configured my virtual machines with Ubuntu 16.04 LTS, 4 GB of memory, 25+ GB of disk storage, and two network interfaces (the second one to be able to con...