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RE: Full documentation for GRUB2


From: Treutwein Bernhard
Subject: RE: Full documentation for GRUB2
Date: Fri, 8 Apr 2011 11:21:27 +0200

in the meantime I stumbled over FranklinPiat┬┤s orphaned 
wiki pages, which help a bit in understanding Grub's modules.
see: http://grub.enbug.org/FranklinPiat/GrubManual
especially the pages on grub.cfg & modules, i.e.:
http://grub.enbug.org/FranklinPiat/grub.cfg.manpage
http://grub.enbug.org/FranklinPiat/grub_modules.manpage

Moreover I experimented a little bit and found out that
Grub2 apparently loads the required filesystem drivers
on demand after detecting the type of the filesystem.

At least using lsmod right away after loading core.img
the ntfs module isn't loaded, but after tabbing into
the filesystem with (e.g.) 
    insmod (<TAB>
    insmod (hd0,<TAB>
    insmod (hd0,1)/<TAB>
    insmod (hd0,1)/boot
Grub2 has loaded the ntfs module and some other (helper)
modules.

regards
--
  Bernhard
 

> -----Original Message-----
> From: Treutwein Bernhard 
> Sent: Wednesday, April 06, 2011 4:13 PM
> To: 'The development of GNU GRUB'
> Subject: RE: Full documentation for GRUB2
> 
> 
> Hi Robert,
> 
> although I have different requirements, these are similar enough 
> to yours that I might give you tips ...
> 
> In your case I would try to use tincore (http://tinycorelinux.com/).
> You should install the ntfs and grub2 extensions (see:
> http://distro.ibiblio.org/tinycorelinux/3.x/tcz/index.html
> and browse to grub2.tgz and ntfs3g.tgz 
> 
> I tried it quickly booting my recovery USB stick with an
> installed Grub Legacy, which chainloads into tinycore's 
> Grub2 (which is installed in the same directory as my
> Grub Legacy) and it recognizes the ntfs filesystems
> on the hard disk (the USB stick is recognized as (hd0)
> and the SATA hard disk is (hd1) with three ntfs partitions
> in which I can tab into the filesystem ...
> 
> You should be able to loopback into the CD images ...
> 
> BTW: The tinycore setup of Grub 2 does not support the
> atomagic configuration of grub.cfg in favour of directly
> editing grub.cfg (I really prefer this way).
> 
> regards
> --
>   Bernhard 
> 
> > -----Original Message-----
> > From: Robert Wolf [mailto:address@hidden 
> > Sent: Friday, April 01, 2011 12:43 PM
> > To: address@hidden; address@hidden
> > Subject: Re: Full documentation for GRUB2
> > 
> > 
> > 
> > Hallo,
> > 
> > the reason for my request of the complete grub2 documentation 
> > did come when I 
> > wanted to boot ubuntu livecd and knoppix livedvd from NTFS 
> > partition of windows 
> > vista.
> > 
> 



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