[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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howtos:slackware_admin:linux_kernel_options_for_uefi_and_elilo [2013/12/27 01:58 (UTC)] – Updated info and added ESP section metaschima | howtos:slackware_admin:linux_kernel_options_for_uefi_and_elilo [2014/07/06 01:30 (UTC)] – [Using the new EFI variable filesystem] metaschima | ||
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* EFI Variable Support via sysfs (CONFIG_EFI_VARS [=n]) | * EFI Variable Support via sysfs (CONFIG_EFI_VARS [=n]) | ||
as it is deprecated in favor of CONFIG_EFIVAR_FS, | as it is deprecated in favor of CONFIG_EFIVAR_FS, | ||
- | However, if you do disable this, you will need a fork of the '' | + | However, if you do disable this, you will need a fork of the '' |
- | https:// | + | |
</ | </ | ||
+ | ==== Using the new EFI variable filesystem ==== | ||
+ | In order to use the new EFI variable filesystem interface, you need to remove the old '' | ||
+ | - Download and install: https:// | ||
+ | - Download and install: https:// | ||
+ | - Run:< | ||
+ | modprobe efivarfs | ||
+ | mount -t efivarfs efivarfs / | ||
+ | efibootmgr | ||
+ | </ | ||
==== The EFI System Partition (ESP) ==== | ==== The EFI System Partition (ESP) ==== | ||
In order to boot from UEFI you need to create an EFI System Partition (ESP) using '' | In order to boot from UEFI you need to create an EFI System Partition (ESP) using '' | ||
Line 54: | Line 62: | ||
==== Updating your UEFI firmware ==== | ==== Updating your UEFI firmware ==== | ||
As all UEFI firmware has a flashing utility built-in, it is now much easier to update the firmware. All you have to do is copy the new firmware onto the ESP and the UEFI firmware should recognize it when you go to the flashing utility menu. However, remember that flashing the firmware can still potentially brick the system, especially if it is interrupted during the flashing process. | As all UEFI firmware has a flashing utility built-in, it is now much easier to update the firmware. All you have to do is copy the new firmware onto the ESP and the UEFI firmware should recognize it when you go to the flashing utility menu. However, remember that flashing the firmware can still potentially brick the system, especially if it is interrupted during the flashing process. | ||
+ | ==== External Links ==== | ||
+ | [[http:// | ||
====== Sources ====== | ====== Sources ====== | ||
* Original author: [[wiki: | * Original author: [[wiki: |