[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 [2015/02/14 15:50 (UTC)] – [My UEFI settings were reset and I can't boot, or planning ahead to avoid surprises] Fix Typo - EPS -> ESP turtleli | howtos:slackware_admin:linux_kernel_options_for_uefi_and_elilo [2021/01/11 07:07 (UTC)] (current) – fix for mmcblk louigi600 | ||
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In order to use the new EFI variable filesystem interface, you need to remove the old '' | In order to use the new EFI variable filesystem interface, you need to remove the old '' | ||
- Download and install: https:// | - Download and install: https:// | ||
- | - Download and install: https:// | + | - Download and install: https:// |
- Run:< | - Run:< | ||
modprobe efivarfs | modprobe efivarfs | ||
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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 '' | ||
==== UEFI and ELILO ==== | ==== UEFI and ELILO ==== | ||
- | During the install procedure of Slackware 14.1 for ELILO (the '' | + | During the install procedure of Slackware 14.1 or above for ELILO (the '' |
- The EFI System Partition (ESP) is located and mounted. On a running system it is usually found already mounted at ''/ | - The EFI System Partition (ESP) is located and mounted. On a running system it is usually found already mounted at ''/ | ||
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- The kernel, usually titled '' | - The kernel, usually titled '' | ||
- A boot entry variable is registered in the UEFI firmware using '' | - A boot entry variable is registered in the UEFI firmware using '' | ||
- | EFI_DEVICE=$(mount | grep vfat | grep -w /boot/efi | cut -b 1-8) | + | EFIDISK=$(df |
- | EFI_PARTITION=$(mount | grep vfat | grep -w /boot/efi | cut -f 1 -d ' ' | + | EFI_DEVICE=$(sed 's%[0-9]\+$%%; |
+ | EFI_PARTITION=$(sed | ||
efibootmgr -q -c -d $EFI_DEVICE -p $EFI_PARTITION -l " | efibootmgr -q -c -d $EFI_DEVICE -p $EFI_PARTITION -l " | ||
</ | </ |