Download Defaultdb Bin -

Download the package labeled (or similar for your architecture).

: Copy the .bin file to a FAT32-formatted USB drive. Enter your BIOS menu, look for Secure Boot or Key Management , and select the option to update or append the "db" (Allowed Signatures) variable. Download defaultdb bin

: Specialized tools like KeyTool (part of the efitools package) can also be used to manually load these binaries from within an EFI shell. Download the package labeled (or similar for your