Well I only glanced at the replies and all - which take an approach which
seems kinda strange - but I am not much into Fedora at this time.
I am suspicious that the approach here may not handle kernel updates well.

Well perhaps a few things I learned during my short quest to make a kind of
“backup-tool repair-tool forensic-tool multi-distro” flash drive may be
useful here.  I made some flash drives which I do use from time to time
today but I got discouraged by the “firmware can equal maleware” issues
with flash drives so planned to move on (likely to USB-SSD if I ever get
back to it).

This was making an normal “hard drive” boot environment for an Ubuntu
install with the modification to the grub control files to produce an
Ubuntu installation on the flash drive which would:

process updates well including changes to the kernel
NOT probe the local environment when processing kernel updates
Preserve the “menuentry boot stanzas” which would boot to the tools above
(loop mounted .iso and other Linux partitions on the flash drive).

The grub control files:

/etc/default/grub

Here adding the “ GRUB_DISABLE_OS_PROBER=true “ line prevented looking at
the local environment while building the flash drives on various boxes.
There are many switches and controls available here.

/etc/grub.d/40_custom   (note: the README in /etc/grub.d)

Here you can add “menuentry boot stanzas” which will automatically make
themselves part of grub.cfg ( /boot/grub/grub.cfg in Ubuntu) during an
update process involving a new kernel.

HTH

On Thu, Jul 7, 2016 at 10:05 PM, Earl A Ramirez <earlarami...@gmail.com>
wrote:

>
> Thanks again all,
>
> I copied the /etc/default/grub from the KVM, modified the
> GRUB_CMDLINE_LINUX and everything is as expected now.
>
> --
> Kind Regards
> Earl Ramirez
>
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