01-16-2014
GRUB Queries ?!
Hello,
I am posting the following questions here because I need them answered by people who have actually done a lot of work in GRUB.
DO NOT GIVE ME GUESS ANSWERS PLEASE. Feel free to redirect me if this is not the right place to ask these questions.
- Can I download GRUB separately from GNU GRUB - Obtaining GRUB ? If so why do Linux distributions such as Debian have their own versions of GRUB ? ie. Debian -- Details of package grub-efi-amd64 in squeeze. What is the difference and why are both required ?
- Does the recent version of GRUB require Linux configuration files before it can boot Linux ? Is that the reason why every Linux distro has its own version of GRUB ?
- If GRUB requires Linux configuration files then how does it boot Windows without similar config files ? And if it is possible to boot an OS like Windows with any extra files in the bootloader why isn't the same thing done for any Linux distro ? wouldn't that make things more streamlined ?
- Do all the recent versions of GRUB support EFI booting ?
- I have installed Debian on my pc without GRUB thus I can't access it. Can GRUB be installed now manually so that I can dual boot Windows and Debian in EFI mode ?
I am really confused about these basic things. I need to get these things cleared up before I ask further questions in this forum.
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LEARN ABOUT LINUX
grub-install
GRUB-INSTALL(8) System Administration Utilities GRUB-INSTALL(8)
NAME
grub-install - install GRUB to a device
SYNOPSIS
grub-install [OPTION] install_device
DESCRIPTION
Install GRUB on your drive.
-h, --help
print this message and exit
-v, --version
print the version information and exit
--modules=MODULES
pre-load specified modules MODULES
--boot-directory=DIR
install GRUB images under the directory DIR/grub instead of the /boot/grub directory
--grub-setup=FILE
use FILE as grub-setup
--grub-mkimage=FILE
use FILE as grub-mkimage
--grub-mkrelpath=FILE
use FILE as grub-mkrelpath
--grub-mkdevicemap=FILE use FILE as grub-mkdevicemap
--grub-probe=FILE
use FILE as grub-probe
--no-floppy
do not probe any floppy drive
--allow-floppy
Make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes.
--recheck
probe a device map even if it already exists
--force
install even if problems are detected
--disk-module=MODULE
disk module to use
INSTALL_DEVICE can be a GRUB device name or a system device filename.
grub-install copies GRUB images into /boot/grub, and uses grub-setup to install grub into the boot sector.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
SEE ALSO
grub-mkconfig(8), grub-mkimage(1), grub-setup(8), grub-mkrescue(1)
The full documentation for grub-install is maintained as a Texinfo manual. If the info and grub-install programs are properly installed at
your site, the command
info grub-install
should give you access to the complete manual.
grub-install (GRUB) 1.99-12ubuntu5 October 2011 GRUB-INSTALL(8)