how to integrate an old installation in Grub and startmenu

[Lentes, Bernd]

----- On Sep 10, 2021, at 12:19 AM, Liam Proven lproven at gmail.com wrote:


> 
> Hmm. That is odd.
> 
> Do you have the `os-prober` program installed? It's usually there by
> default but I admit I have not played with Server much recently except
> on Raspberry Pi, where this does not really apply. (No GRUB on RasPi.)
> 
> I noticed that Pop_OS does not have os-prober installed by default.
> 
> It is the tool that looks for other OSes and adds them to the boot menu.
> 
> 

root at pc65472:/etc/grub.d#
root at pc65472:/etc/grub.d# os-prober
  WARNING: PV /dev/sda3 in VG vg1 is using an old PV header, modify the VG to update.
  WARNING: PV /dev/sda4 in VG vg1 is using an old PV header, modify the VG to update.
root at pc65472:/etc/grub.d#
root at pc65472:/etc/grub.d# md5sum /boot/grub/grub.cfg*
f4e68e278811a0bd3946877d6d1085ae  /boot/grub/grub.cfg
f4e68e278811a0bd3946877d6d1085ae  /boot/grub/grub.cfg.orig
root at pc65472:/etc/grub.d#


You see that the original grub.cfg (grub.cfg.orig) is the same as the newly created.

Bernd
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