Issue install 20.04 with autoinstall

[Jerry Geis]

Thanks. its actually a CentOS 7 system. Used CentOS from 4-7. Now looking
at switch to Ubuntu.
I tried grub2-mkconfig  - got the same result.
AttributeError: 'NoneType' object has not attribute 'grub_device'

Jerry

On Mon, Jan 25, 2021 at 8:33 PM Little Girl <littlergirl at gmail.com> wrote:

> Hey there,
>
> Jerry Geis wrote:
>
> >However - what I was trying to do is "remotely" update  an OLD linux
> >install and replace with 20.04.
> >so to do that I was trying  edit the /etc/grub.d/40_custom and the
> >menu item
> >  autoinstall ds=nocloud-net;s=https://XXX/pathToAutoinstall  ip=dhcp
> >url=pathToLiveServer
> >set the /etc/default/grub to the id of my 40_custom and run the grub
> >- update for the old system.
> >This boots and starts - but I get that silly grub_device message.
>
> If the old Linux installation is older than Ubuntu 9.10 Karmic Koala,
> then you might be running into a Grub compatibility issue. Ubuntu
> switched from Grub to Grub2 in Karmic Koala.
>
> --
> Little Girl
>
> There is no spoon.
>
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