Vultr Customer Portal

1. Navigate to Products and click Compute.
2. Click your target Cloud GPU instance to open its management page.
3. Navigate to the Settings tab.
4. Find and click Change Hostname on the left navigation menu.
5. Replace the existing value with your new hostname.
6. Click Reinstall to change your instance hostname.
7. Check the confirmation prompt and click Change Hostname to apply your new hostname.

Terraform

1. Open your Terraform configuration for the existing Cloud GPU instance.
2. Update the hostname value in the instance resource to the new hostname.
   terraform

   resource "vultr_instance" "gpu" {
       # ...existing fields (region, plan, label, etc.)
   
       hostname = "new-hostname"
   }
   

3. Apply the configuration and observe the following output:

   Apply complete! Resources: 0 added, 1 changed, 0 destroyed.