nano /etc/netplan/01-netcfg.yaml

# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
version: 2
renderer: networkd
ethernets:
enp1s0:
addresses: [ 213.246.56.xx/24, ‘2a00:c70:1:213:246:56:xx:1/96’ ]
gateway4: 213.246.56.1
gateway6: 2a00:c70:1:213:246:56::1
nameservers:
search: [ ikexpress.com ]
addresses:
– “213.246.33.144”
– “213.246.36.14”
– “2001:4860:4860::8888”
– “2001:4860:4860::8844”

 

netplan apply