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I've tried to mount my mac's EFI partiton while using an ubuntu live USB, however I get the following errors:

ubuntu@ubuntu:~$ sudo mount /dev/sdb2 /mnt/efi
mount: /mnt/efi: /dev/sdb2 already mounted or mount point busy.
ubuntu@ubuntu:~$ sudo umount /dev/sdb2
umount: /dev/sdb2: not mounted

And yes /mnt/efi is a directory that I made.

Previously, I tried to run boot-repair, here is the output log from that http://paste.ubuntu.com/p/DXFzrz5zny/

And here is my previous network question, How do I boot back into my MacOS?

  • Will it be sdb or sda? – Biswapriyo Apr 30 at 16:50
  • ubuntu@ubuntu:~$ sudo mount /dev/sda2 /mnt/efi mount: /mnt/efi: wrong fs type, bad option, bad superblock on /dev/sda2, missing codepage or helper program, or other error. – Indiana Jones Apr 30 at 23:59

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