No need to clone. Simply shut them down if they’re running and switch template. You can always revert if necessary.
Qubes doc (quick): Minimal templates | Qubes OS
Forum guide (in depth): Automate debian-minimal based template creation
No need to clone. Simply shut them down if they’re running and switch template. You can always revert if necessary.
Qubes doc (quick): Minimal templates | Qubes OS
Forum guide (in depth): Automate debian-minimal based template creation