Siard grabbed a keyboard and wrote:
> David Guntner wrote:
>> I suppose it exists on the partition in a sense, but within the
>> filesystem, it lives as /backup/etc/debian_version. /backup is the
>> only mounted filesystem on /dev/sdb1.
>
> To have os-prober find an OS, that OS does not have to be mounted.
> If an OS is found in sdb1, it could mean that some grub.cfg or
> menu.lst exists there; that's where it gets information from.
> However, I understand that the existence of /etc/debian-version in
> sdb1 is the most likely cause.
>
> But if the cause cannot be undone, there is still a way to have sdb1
> ignored. Line 40 of /etc/grub.d/30_os-prober looks like this:
>
> OSPROBED="`os-prober | tr ' ' '^' | paste -s -d ' '`"
>
> Now insert '| grep --invert-match sdb1' after 'os-prober', so it
> looks like this:
>
> OSPROBED="`os-prober | grep --invert-match sdb1 | tr ' ' '^' | paste -s -d ' '`"
>
> After an 'update-grub' the sdb1 entry will be gone from the Grub menu.
That did it, thanks!
--Dave
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