On Thu 02 Dec 2021 at 19:30:20 (+0000), Joe wrote: > On Thu, 02 Dec 2021 16:08:25 +0000 Tixy 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'.
This thread seems to have gone down a rabbit-hole. $ aptitude why os-prober i grub-common Recommends os-prober (>= 1.33) $ It has stretched the minds of people here to work out how to make the d-i /avoid/ installing Recommends, so I can't see why this would suddenly happen to a casual newcomer. Cheers, David.
