I followed this tutorial (http://https://www.digitalocean.com/docs/networking/ipv6/how-to/enable/) to enable IPv6 on my existing Ubuntu 18.04.3 LTS Droplet.
My server doesn't have anything in /etc/netplan, so I follo...
What is "up ip addr add 10.19.0.5/16 dev eth0" in /etc/network/interfaces?
This file describes the network interfaces available on your
system and how to activate them. For more information, see