EFIBOOTMGR(8) EFIBOOTMGR(8) (NAME) efibootmgr - UEFI (SYNOPSIS) efibootmgr [ -a ] [ -A ] [ -b XXXX ] [ -B ] [ -c ] [ -d DISK ] [ -D ] [ -e 1|3|-1 ] [ -E NUM ] [ --full-dev-path | --file-dev-path ] [ -f ] [ -F ] [ -g ] [ -i NAME ] [ -l NAME ] [ -L LABEL ] [ -m t|f ] [ -M X ] [ -n XXXX ] [ -N ] [ -o XXXX,YYYY,ZZZZ ... ] [ -O ] [ -p PART ] [ -q ] [ -r | -y ] [ -t seconds ] [ -T ] [ -u ] [ -v ] [ -V ] [ -w ] [ -@ file ] (DESCRIPTION) efibootmgr UEFI . . UEFI UEFI . . : efibootmgr EFI /sys/firmware/efi/vars /sys/firmware/efi/efivars/ . (OPTIONS) efibootmgr : -a | --active (bootnum) . -A | --inactive (bootnum) . -b | --bootnum XXXX BootXXXX (). -B | --delete-bootnum (bootnum). -c | --create bootnum (BootOrder). -C | --create-only bootnum (BootOrder). -d | --disk DISK (: /dev/sda). -D | --remove-dups BootOrder. -e | --edd 1|3 EDD 1.0 3.0. -e 1 -E UEFI CSM (BIOS) . -e 3 --full-dev-path . -E | --edd-device NUM EDD 1.0 ( 0x80 ). --edd . --full-dev-path UEFI PCIe . ()HD . ()HD . . --file-dev-path UEFI ()File . ()HD . -f | --reconnect . . -F | --do-not-reconnect . . -g | --gpt PMBR GPT. -i | --iface NAME (netboot) . -k | --keep NAME . -l | --loader NAME (: \EFI\arch\grub.efi). -L | --label LABEL (: "Linux"). -m | --mirror-below-4G t|f t . -M | --mirror-above-4G X X . . -n | --bootnext XXXX BootNext XXXX (). -N | --delete-bootnext BootNext. -o | --bootorder XXXX,YYYY,ZZZZ BootOrder (). 0 FFFF ####Boot . -O | --delete-bootorder BootOrder. -p | --part PART (: ). -q | --quiet - . -r | --driver ####Driver ####Boot. -t | --timeout seconds . -T | --delete-timeout (Timeout). -u | --unicode | --UCS-2 UCS-2 ( ASCII ). -v | --verbose - . -V | --version . -w | --write-signature MBR . -y | --sysprep ####SysPrep ####Boot. -@ | --append-binary-args ( - stdin ). . (EXAMPLES) ( ): [root@localhost ~]# efibootmgr BootCurrent: 0004 BootNext: 0003 BootOrder: 0004,0000,0001,0002,0003 Timeout: 30 seconds Boot0000* Diskette Drive(device:0) Boot0001* CD-ROM Drive(device:FF) Boot0002* Hard Drive(Device:80)/HD(Part1,Sig00112233) Boot0003* PXE Boot: MAC(00D0B7C15D91) Boot0004* Linux : o BootCurrent - o BootOrder - . . . o BootNext - . BootOrder . BootOrder . o Timeout - BootNext BootOrder . o (0000 - 0004) / (* ) . efibootmgr -c . /dev/sda1 EFI /boot/efi (mount) . "Linux" . . \EFI\arch\grub.efi . efibootmgr -o 3,4 PXE . efibootmgr -n 4 . efibootmgr -b 4 -B BootOrder . . : efibootmgr -c -i eth0 -L netboot [ -l '\filename.efi' ] (REPORTING BUGS) Red Hat . (AUTHORS) dann frazier / (Debian GNU/Linux) Robert Bisewski . Robbie Harwood efibootmgr . 28 September 2021 EFIBOOTMGR(8)