Manual IP Change Instructions
Learn how to update your IP address without server reinstallation. Follow these step-by-step instructions to manually configure the network settings in Ubuntu.Access Portal and Launch VNC
1
Log in to your
2
Enable your VNC server
Follow the instructions here
3
Open VNC
- Enter your username and password on the Ubuntu login page.
- The interface will look like the image below:

Identify Your Network Interface
- Open Terminal in the VNC session.
- Execute either of these commands to find your network interface name:


ens3
or eth0
).
Edit the Netplan Configuration File
Navigate to the Netplan directory:50-cloud-init.yaml
):

01-network-manager-all.yaml
). Make sure to edit the correct file for your installation.
Change the IP Address
- Locate the current IP address line and replace it with your new IP address (e.g.,
172.16.30.15
). - Update the Gateway address in the routes section to match your new network configuration.
Configure Multiple IPs (Optional)
To add multiple IP addresses, use this format in your configuration:
Save Configuration
- Press
CTRL + X
to exit the editor - Press
Y
to confirm your changes - Press
Enter
to save the file
Apply Network Changes
Execute the following command to apply your new network configuration:Verify Configuration
Check your new IP configuration using either command:ens3
with your actual network interface name)