Re: Getting grub working on a LiveUSB

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On Wed, Oct 4, 2023 at 3:39 PM Joe Zeff <joe@xxxxxxx> wrote:
> [...]  The laptop has a new, unformatted hard drive because the old one is
> dead.  When I picked up my laptop after the brain transplant (I don't do
> hardware.  Ever.)  I used my desktop to create the drive off of an .iso
> that I downloaded from the Fedora Project, and the download passed the
> checksum test.  And,if I try to boot off of that drive on my desktop, it
> fails in the exact same way.  Add to that the fact that the flash drive
> is new, and you've got the idea.

So we don't know if the new hard drive for the laptop is working or
not.  We may not be getting far enough in the process to tell.

I would still go through the BIOS settings, especially if your desktop
is from the same manufacturer (or running a similar BIOS).

I don't use live images, so I don't know if they have a problem with
the RAID/non-RAID setting.  Worst case I would think it would at least
boot but just not be able to access the hard drive if the settings
were incompatible.

Other thoughts - are there other USB devices connected?  If so, try
disconnecting them.

Unless the desktop is "similar" to the laptop - same manufacturer,
BIOS, etc. - it sounds like the only real common failure point is the
USB key itself.

My next steps would be:
- on the desktop, download the server net install iso, and run the
checksum test to make sure it downloaded correctly
- dd the iso file to the USB drive
- remove the USB drive [just being extra careful nothing is cached/buffered]
- reinstall the USB drive, and run "diff" or "cmp" against the iso and
the USB drive.  This is to confirm that the iso copied correctly.
- remove the USB drive
- on the laptop, boot off of the USB drive.  If it gives you the
expected menu, choose the option for verifying the media.  Really
shouldn't be needed if we get this far, but the only cost is time.
- if we get this far, choose the "rescue" option, and then choose a
shell.  From here you can use the usual troubleshooting commands like
lsblk, fdisk, etc.
- if we get this far, you can just install using this iso.  Even
though it is the "server" image, you can do a workstation install, you
just have to mind the defaults that are different for server vs
workstation - i.e., server defaults to xfs, ,workstation defaults to
btrfs I think.

Also note that the server net install will download current packages
for the install, so you don't need to do an immediate "dnf update"
after the install.
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