How to Assign Static IP Address on Ubuntu

Ubuntu 18.04 LTS and later versions use Netplan for managing the network configuration.
Netplan configuration are driven by .yaml files located in /etc/netplan directory.

Please note that yaml files use spaces for indentation.
If you use tab or incorrect indention, your changes won’t be saved.


network:
  version: 2
  renderer: networkd
  ethernets:
    enp0s25:
      dhcp4: no
      addresses:
        - 192.168.1.16/24
      routes:
        - to: default
          via: 192.168.1.1
      nameservers:
          addresses: [8.8.8.8, 1.1.1.1]

sudo netplan apply


more info: https://netplan.io/examples/