ubuntu server Setting a static IP on ubuntu server 22.04

[brent]

Setting a static IP for your headless server is a must. Here are the simple steps to accomplishing this.

navigate to the interfaces file   /etc/netplan

sudo nano /etc/netplan

Here is an example of what mine looks like.

# This is the network config written by 'subiquity'
network:
  ethernets:
    ens18:
      addresses: [192.168.1.204/24]
      routes:
        - to: default
          via: 192.168.1.99
      nameservers:
        addresses: [8.8.8.8, 8.8.4.4]
  version: 2

pre-up iptables-restore < /etc/iptables.rules
post-down iptables-save > /etc/iptables.rules

 

Save and close The last two lines pre-up and post-down is for iptables. remove those lines if you are not using the firewall.

To apply the changes:

sudo netplan apply

 

If you want to verify that you are using the correct DNS:

Use this command after you add/change your dns to restart systemd-resolved service.

sudo systemctl restart systemd-resolved

 

Use this command to verify the DNS routing.

sudo resolvectl status