On 2/1/19 7:13 PM, Scott Dowdle wrote:
Greetings,
----- Original Message -----
How did you guys create a live USB that allowed for
both standard BIOS and UEFI boot?
dd should work but most of the time I use the Fedora Media Writer GUI.
TYL,
On 2/1/19 5:28 PM, T wrote:
> Hi All,
>
> I am trying to create a bootable USB drive that will allow for
> both standard bios and UEFI boot like they do on Live USB
> flash drives. How did they do it?
>
> Many thanks,
> -T
>
OH HOLY [expletive deleted]!!! I figured it out!!!!
UEFI.BIOS.Dual.Boot.txt:
References that stink:
https://forums.linuxmint.com/viewtopic.php?t=223015
https://bl.ocks.org/gdamjan/05b799162e4b3e97a30d37a89fed0fa8
https://forum.level1techs.com/t/configure-grub-to-boot-legacy-and-uefi/129382
Requirements:
Fedora 29
Before installing, gparted:
Wipe the target disk
create a partitin table as GPT
create a first partition as
1 Meg
unformatted
set the partition flag to "bios_grub"
Install Fedora 29 from a UEFI machine:
remove "/home" was removed at installation and moved into "/"
--->>> PRESUMED !!! <<<---
The machine was install and booted from UEFI
The machine is mounted as /dev/sda
Install the legacy BIOS boot loader:
Boot into fedora on UEFI
only installs 3 files
# dnf reinstall grub2-pc
create the BIOS .cfg file
# grub2-mkconfig -o /boot/grub2/grub.cfg
You made room for this by making the 1 MB partition "bios_grub" so use
"--force"
# grub2-install --force --removable --recheck --target=i386-pc
--boot-directory=/boot /dev/sda
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