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Re: grub finding but not adding other OS



On Du, 12 mai 13, 01:49:14, Tony Baldwin wrote:
> 
> Can someone who knows what they're talking about please answer this
> question. (And someone who knows not to top-post).
> running update-grub will overwrite any changes I make to grub's configs.

If you mean /boot/grub/grub.cfg then yes.

> It *should* detect any other systems and automatically add them.

No, grub is just a bootloader. The program responsible for the detection 
is os-prober, which hooks itself in grub's framework for generating 
grub.cfg (see /etc/grub.d/30_os-prober).

> It's detecting the other system and not adding it.

I can not guess what happens here, but I would try some basic 
troubleshooting steps:

- make sure /boot/grub/grub.cfg is changeable (/boot is mounted rw, 
  etc.)
- make sure os-prober is installed correctly (especially its hook in 
  /etc/grub.d/), a purge-install might fix it
- other things I haven't thought of

> I don't need to be told how to make things executable.
> I need to understand why grub isn't adding the other system.
> What happened to this list?
> Is it now entirely manned by n00bs?
> Edit grub configs and then run update-grub? Really?

You could have at least shown us the output of an update-grub run...

Kind regards,
Andrei
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