Confirmation no simplier way : switch sys-usb template for desktop

This is a common problem.

There is a possible solution, but you must adapt it. An example is here, given by @unman:

It is designed to be created as an executable script in dom0…

If you are comfortable with shell scripts, then it should be easy to understand. I do recommend to change the shutdown commands to
qvm-shutdown --wait ....
to be sure that the shutdown finishes before trying to change the template.

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