So I had this same thing happen to me while installing server 20.04.2, running curtin hook just kept spinning. However at the top of the screen it stated "installation complete", I went to reboot now and it indeed installed itself successfully.
So I had this same thing happen to me while installing server 20.04.2, running curtin hook just kept spinning. However at the top of the screen it stated "installation complete", I went to reboot now and it indeed installed itself successfully.