How to add an additional IP to your server with nmtui
- SSH to your server
- Run #nmtui
- Select "edit a connection"
- Select the ethernet port you want to add the IP to (default will be eth0) then select "Edit..."
- Scroll down to the "Add..." button and press enter
- Type in your IP address followed by / and the subnet. You can use the same subnet number as your existing IP(s) on the server and in most cases it will be /24. For example, you might write 172.16.1.10/24 as your IP.
- Scroll down and press "OK"
- Scroll down and press "Back"
- Scroll down and press "OK"
- Run #systemctl restart network
- Your new IP has been added to your server and you can view it by running #ip addr