On 23.09.2014 10:11, Arbiel Perlacremaz wrote: > Having the grub directory on the external device is not what I'm looking > for. > > I indeed use several external devices and I've installed GRUB on each of > them so that it is always available, whatsoever my configuration is. To > avoid confusion when updating GRUB, all my fstab files mount a unique > directory, always the same, on /boot/grub. This is the reason why I want > GRUB on my hard drive. > Upgrading modules without rerunning grub-install on all devices is not supported. It may work for few revisions but when core functions change it will break. > > Le 23/09/2014 01:09, Vladimir 'φ-coder/phcoder' Serbinenko a écrit : >> On 22.09.2014 22:49, Arbiel Perlacremaz wrote: >>> Hi >>> >>> A way I'm using to avoid any Window's reinstallation to overwrite GRUB >>> in a multiboot environment is to install the later on the MBR of a USB >>> key. That way, when booting with no key pluged, the PC boots into >>> Windows and when booting with the key pluged, the PC boots according to >>> the choice of the user in the grub menu's. >>> >>> I do locate the grub.cfg file in a partition of the internal hard drive. >>> In such a situation, grub-install embeddes a config file which reads >>> something like >>> >>> search.fs_uuid 367C9BBD7C9B75F9 root hd0,msdos1 >>> set prefix=($root)'/' >>> >>> This is great. >>> >>> However, any undesired modification by any piece of software of the >>> partition's uuid will prevent GRUB to find it and lead to a boot >>> failure. As the Windows partition is less prone to such modifications as >>> Linux partitions, I do locate the grub.cfg file in that Windows >>> partition. However it would be more straightforward to locate the file >>> into a Linux partition, and to have grub search this partition by its label. >>> >>> How could this be done ? If this can't presently be done, can it be >>> included in a future grub release ? >> use --boot-directory to place all files on usb stick and make it load >> any other grub.cfg you might want. >>> Regards >>> >>> Arbiel >>> >>> _______________________________________________ >>> Grub-devel mailing list >>> Grub-devel@gnu.org >>> https://lists.gnu.org/mailman/listinfo/grub-devel >>> >> >> >> >> _______________________________________________ >> Grub-devel mailing list >> Grub-devel@gnu.org >> https://lists.gnu.org/mailman/listinfo/grub-devel > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel >
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