Hi,
The gu and gp options are for being able to do things in the guest that require guest credentials.
For example to run a command in the guest or to copy files to the guest or...
They are not for having the VM login automatically.
As you say, you need to define that functionality within the VM itself, if you want to login automatically then you have to call a command in the guest that does that for you. I'm not aware of that even existing.
_
Wil
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