[Bug 1872212] Re: grub-install: Operation not permitted

[Artur]

Possible duplicate of bug #1901650 - as suggested, adding --no-nvram
switch worked:

# grub-install --no-nvram
Installing for x86_64-efi platform.
Installation finished. No error reported

Machine boots fine, however i do not know if it would have booted before
running the command above.

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Title:
  grub-install: Operation not permitted

Status in grub2-signed package in Ubuntu:
  Confirmed

Bug description:
  I'm using Ubuntu 20.04 beta, upgraded from 19.10. 
  When doing the last upgrade I got an error message from grub.

  When I run ›dpkg-reconfigure shim-signed‹ I get this error:

  Installing for x86_64-efi platform.
  grub-install: warning: Internal error.
  grub-install: error: failed to register the EFI boot entry: Operation not permitted.

  Since then I didn't reboot, for I'm afraid it won't work.

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