Re: Double boot (Windows & Debian) with UEFI mode
On Thu, 02 Dec 2021 16:08:25 +0000
Tixy <tixy@yxit.co.uk> wrote:
> On Thu, 2021-12-02 at 15:52 +0000, Tixy wrote:
> > On Thu, 2021-12-02 at 13:52 +0100, Christian Britz wrote:
> > >
> > > To be honest, I don't know exactly what the installer does, if it
> > > finds another OS.
> >
> > How would it do that? Detecting other OS's is what the os-prober
> > package is for.
>
> Answering my own question, the installer may contain and use os-prober
> without installing it to the target system.
>
In which case it should install grub with a pre-awareness of other OSes
present.
Of course, one day an upgrade will be done, update-grub will be run
without os-prober, and any other OS will disappear... that sounds like
something Microsoft would do.
Surely during installation, a check for other OSes should be performed,
and if any are found then os-prober should be installed *and* *enabled*
by default, as it will be needed during every subsequent update-grub. My
sid just had its os-prober disabled by an 'upgrade', and I needed to
tweak the grub defaults to get it back.
Linux used to be promoted on the basis that it could be installed in a
Windows system for evaluation if there was enough spare drive space,
without affecting the Windows installation. It's hardly reasonable to
expect a newcomer to Linux, having apparently lost his Windows
installation, to research and install os-prober to get it back. The
most clueful will simply run a Windows boot repair and forget about
'that damned Linux'.
--
Joe
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