You can find the new configuration files at /etc/netplan/*.yaml. I will use Ubuntu 18.04 LTS to describe the procedure mentioned in this article. We will see both static and dynamic IP configuration. In this article, we will learn how to configure networking in Ubuntu using Netplan. Netplan has replaced the old configuration file /etc/network/interfaces that we previously used for configuring network interfaces in Ubuntu.
Netplan is based on YAML based configuration system that makes configuration process very simple. Ubuntu 18.04 LTS has switched to Netplan for configuring network interfaces.
