On Sun, 31 May 2020 at 05:41, Patrick Dupre <pdupre@xxxxxxx> wrote:
Hello,
On a multi-boot PC, how grub is updated?
In the past /etc/grub2.cfg was updated.
and now?
It seems that there are 2 tools: bootctl, and efibootmgr
What are the files managed by these tools?
How to understand?
BootCurrent: 000F
Is there a problem you need to solve or are you trying to understand how booting is handled by Fedora on an EFI system?
Where did you see this: error message, log, or ?? On a dual boot system using EFI, "efibootmgr" with no arguments should display something like:
% efibootmgrBootCurrent: 0003Timeout: 0 secondsBootOrder: 0003,0000Boot0000* Windows Boot ManagerBoot0003* Fedora
A better name for the "Fedora" entry might be "Grub boot manager".
Which tool is run after an update of the kernel?
bootctl -- both those tools have man pages that explain how they are used.
The grub configuration files were recently reorganized into a grub.d directory (you can opt out and stick with the old structure). See: https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/kernel-module-driver-configuration/Working_with_the_GRUB_2_Boot_Loader/
George N. White III
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