Oracle Linux - How to remove GRUB2 password

Applies To: 

Oracle Cloud Infrastructure - Version N/A and later 

Linux x86-64 on Oracle Public Cloud 

GOAL 

How to remove grub2 password  

SOLUTION 

To remove the grub2 password:

1)For BIOS based instances  

Remove the user.cfg file from /boot/grub2/ 

   $sudo rm -r /boot/grub2/user.cfg         

 

 2)For UEFI based instances 

Remove the user.cfg file from /boot/efi/EFI/redhat/ 

  $sudo rm -r /boot/efi/EFI/redhat/user.cfg   

 

NOTE:- The file user.cfg can be moved if it is to be used in the future again.