=== How to configure a static IP address in Ubuntu Server ===
[[https://www.techrepublic.com/article/how-to-configure-a-static-ip-address-in-ubuntu-server-18-04/]]
Gone are the days of manually editing the flat text ///etc/network/interfaces// file. In its place is netplan. That's right, Ubuntu fans, the method you've known for years is now a thing of the past. Instead of a very simple text file, Ubuntu Server requires editing a //.yaml// file (complete with proper adherence to correct code indent for each line of the block), in order to configure your IP addressing.