In Ubuntu 16 the network interface naming is changed, so you won't have your usual "ethX" naming.
This post show how to set up an integration between Google Authenticator and OpenVpn.
It all started when I decided to upgrade my router at home.
How to compare the inventory in AWS with another inventory.
Sudo is a cool tool to have under your belt. I have heard excuses for not using sudo so many times, that if I was given a penny every time I would at least be able to buy myself a coffee.