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Parin Sharma

[wubi] after installation: hangs on grub - Page 2 - Ubuntu Forums - 0 views

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    "Well you can boot into Ubuntu following the steps below. But first, my hard disk configuration is: one disk with 3 partitions: - 1st one (sda1): is laptop recover data NTFS (came from factory and it's hidden) - 2nd one (sda2): is where I have Windows (Vista) NTFS installation and from where I installed Ubuntu inside using WUBI. - 3rd one (sda3): just a data backup NTFS partition To boot up Ubuntu, just restart computer and choose "Ubuntu" at windows boot menu. When it drops to prompt "sh:grub>" enter the following 4 (four) commands (change it according to your hard disk configuration): Quote: set root=(hd0,2) linux (loop0)/boot/vmlinuz-2.6.31-14-generic root=/dev/sda2 loop=/ubuntu/disks/root.disk ro initrd (loop0)/boot/initrd.img-2.6.31-14-generic boot Remember: 1. that you can press TAB key after "(loop0)" and "loop=" to get completion help/guidance. 2. at prompt "sh:grub>" you can type the command 'ls' to list the partitions. 3. (hd0,1) equals to /dev/sda1, (hd0,2) equals to /dev/sda2, (hd0,3) equals to /dev/sda3, ... You should now be able to boot to Ubuntu. Once inside Ubuntu, open a console and try to resolve the grub/wubi problem with the following commands (this part I can't confirm that will work): sudo update-grub sudo update-grub2 sudo grub-install /dev/sda sudo grub-install /dev/sda2 I hope this will help you guys. Regards."
Parin Sharma

Grub2 - Community Ubuntu Documentation - 0 views

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    "The main menu file, /boot/grub/grub.cfg, is not meant to be edited, even by 'root'. "
Parin Sharma

GRUB tips and tricks - 0 views

  • First, what exactly is GRUB? GRUB is a boot loader, which means it passes control of the boot process from the Power-On Self Test (POST) to the kernel of your GNU/Linux distribution. GRUB works in a modular, layered fashion so that any unneeded modules are not loaded. Not only does this reduce execution time, but it saves valuable resources when running from removable media. GRUB optionally loads its configuration file at run/boot time, so you don’t have to type in commands manually each time.
Parin Sharma

GRUB bootloader - Full tutorial - 0 views

  • Primary partitions are marked from 0 to 3 (hd?,0), (hd?,1), (hd?,2), (hd?,3). Logical partitions in the extended partition are counted from 4 up, regardless of the actual number of primary partitions on the hard disk, e.g. (hd1,7).
  • As the name implies, GRUB passes the control of the boot sequence to another bootloader, located on the device to which the menu entry points. This can be a Windows operating system, but also any other, including Linux.
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