I am getting below error while installing software on Ubuntu. This comes during any installation.
Setting up grub-efi-amd64 (2.02-2ubuntu8.20) ... od: /sys/firmware/efi/efivars/SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c: Operation not permitted /usr/share/grub/grub-check-signatures: 22: [: Illegal number: dpkg: error processing package grub-efi-amd64 (--configure): installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255 dpkg: dependency problems prevent configuration of grub-efi-amd64-signed: grub-efi-amd64-signed depends on grub-efi-amd64 | grub-pc; however:
Package grub-efi-amd64 is not configured yet. Package grub-pc is not installed.dpkg: error processing package grub-efi-amd64-signed (--configure): dependency problems - leaving unconfigured
Ubuntu Version Distributor ID: Ubuntu Description: Ubuntu 18.04.5 LTS Release: 18.04 Codename: bionic
Can anyone please help to fix this error.
Thanks a lot.
Regards - Roy
