If you want to change your Linode IP address, you can do so by following these steps:
Sign in to your Linode account. Click on the Account link at the top of the page. Under Settings, click on Change IP Address.
You will be asked to enter your current Linode IP address and the new IP address you would like to use. Click on the Change button to complete the process.
Note: If you are using a static IP address, you will need to enter the IP address of your Linode server as well.