Bill Marcum <marcumbill@...> writes: > > On Sun, Aug 21, 2011 at 04:30:02PM +0100, Roger James wrote: > > Help! > > > > What is the algorithm (if any) used by grub2 to locate the grub.cfg > > file? Are there any hints encoded into the image files by > > grub-mkimage and grub-setup, for example the --prefix parameter to > > grub-mkimage and the -root-device parameter passed to grub-setup. I > > am interesting in finding information on this before embarking on an > > installation which may end up with two different /boot/grub/grub.cfg > > files in different paritions on different drives! > > > > I have not be able to find this information in any documentation, > > and one quick look at the source tree led me to ask here first! > > > As far as I know, it looks in /boot/grub relative to the filesystem > or chroot where grub-setup is executed. > > > As an aside, is there such a thing as a grub image analyser that can > > take a grub boot installation/image and print out what it contains? > > > > Thanks, > > > > Roger
Bill, I have looked again and I am guessing that the --prefix and --root-device parameters are in somehow encoded into the boot image and then are used to populate Grub's "prefix" and "root" special environment variables. Can anyone confirm this? Roger _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
