efibootmgr | Cheatsheet¶

efibootmgr is a tool for managing UEFI boot entries.

efibootmgr is a userspace application used to modify the Intel Extensible Firmware Interface (EFI) Boot Manager

Enable EFI Variable filesystem support

# Device Drivers  --->
>   Firmware Drivers  --->
>      [ ] Disable EFI runtime services support by default
>           [*] Network core driver support # Symbol: NET_CORE [=y]

# File systems  --->
>   Pseudo filesystems  --->
>       <*> EFI Variable filesystem

Delete all efibootmgr options

for x in 
 $(efibootmgr -v \
    |grep ^Boot \
    |grep -vi order \
    |cut -f1 -d ' ' \
    cut -f1 -d'*' \
    |sed "s/Boot00//g" \
    |sed "s/^0//g"); do 
        efibootmgr -b $x -B ; 
done

Resource(s)