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Add warning to upgrading for UEFI-based systems

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Michael Wu 2023-05-10 14:44:12 -05:00
parent 70cef37279
commit 6e83e0b843
1 changed files with 14 additions and 0 deletions
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modules/ROOT/pages/dnf-system-upgrade.adoc
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@ -122,6 +122,20 @@ If you use `rpmconf` to upgrade the system configuration files supplied with the
Systems with the BIOS firmware have the GRUB RPM packages updated. However, the installed or embedded bootloader is never updated automatically. It is a good idea to update it between Fedora release versions. Systems with the BIOS firmware have the GRUB RPM packages updated. However, the installed or embedded bootloader is never updated automatically. It is a good idea to update it between Fedora release versions.
[WARNING]
====
This only applies to BIOS-based systems, *not UEFI-based*. To discover what firmware your machine uses, run the following command:
[source,bash]
----
$ [ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
----
The output returns only UEFI or BIOS, depending on the firmware your machine runs.
For more information, see link:++https://fedoraproject.org/wiki/GRUB_2#Reinstalling_GRUB++[Reinstalling_GRUB].
====
Find the device node the `/boot/` directory is located on: Find the device node the `/boot/` directory is located on:
[source,bash] [source,bash]