Recover network (no netplan, iproute2)

Recover network of a machine where netplan and iproute2 package disappeared

1. Check networkctl

networkctl status ens18 # change ens18

2. Update systemd

sudo mkdir -p /etc/systemd/network
sudo nano /etc/systemd/network/20-wired.network

Modify the network config

[Match]
Name=ens18

[Network]
Address=10.130.0.162/24
Gateway=10.130.0.1
DNS=8.8.8.8
DNS=8.8.4.4
#DHCP=yes # for dhcp

3. Restart networkd

sudo systemctl restart systemd-networkd
networkctl status ens18

If network works, continue 4.

4. (Optional) recover netplan and iproute2

sudo apt-get install netplan.io -y
sudo apt-get install iproute2 -y

Apply netplan

sudo netplan apply