uefi - bunnyamin/bunnix GitHub Wiki
The boot mode is UEFI if the directory exists: /sys/firmware/efi/efivars.
The boot index is represented as hex.
- Display current boot order
# efibootmgr. For example,0001 0002 0003 0004. - Change boot order (
-o). For example,# efibootmgr -o 0004,0003,0002,0001. - An active (
-a) boot entry is marked with an asterisk. Deactivare (-A) it withefibootmgr -b <boot hex> -A. - Delete (
-B) a boot entry (-b). For example,# efibootmgr -b 0000 -B.
| Error | Cause | Consequence | Remedy |
|---|---|---|---|
No bootable device found |
The UUID of the boot entry could be wrong. |
||
Could not load /boot partition. |
Arguments missing for /boot entry in fstab. |
Boot failure. | Add options in fstab. |