Get existing network information
$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 1c:69:7a:6d:26:23 brd ff:ff:ff:ff:ff:ff
inet 10.10.8.200/24 brd 10.10.8.255 scope global eno1
valid_lft forever preferred_lft forever
inet 10.10.8.247/24 brd 10.10.8.255 scope global secondary dynamic eno1
valid_lft 38886sec preferred_lft 38886sec
inet6 fe80::1e69:7aff:fe6d:2623/64 scope link
valid_lft forever preferred_lft forever
Take note of the adapter names. In this case, eno1.
Create new netplan configuration file.
sudo vi /etc/netplan/99_config.yaml
Add the information similar to what is shown below to the 99_config.yaml file.
network:
version: 2
renderer: networkd
ethernets:
eno1:
addresses: [10.10.8.200/24]
gateway4: 10.10.8.1
nameservers:
search: [sangiorgiosystems.net]
addresses: [10.10.8.1]
Restart network.
sudo mv 00-installer-config.yaml 00-installer-config.original
sudo netplan generate
sudo netplan apply
sudo shutdown -r now