Grub2 is Grub version 2, a multiboot bootloader from the GNU project.

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Disable “longhaul” kernel module with a GRUB command?

I've got a problem with a VIA C3 (1GHz)-system: the system freezes immediately when the CPU frequency goes under 731MHz because of an incompatibility with the (not completely implemented) i686 ...
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190 views

Converting legacy GRUB menu entries to GRUB 2

I would like to change an entry for a solution to boot from CD from legacy grub (looks like title bla bla bla) to an entry to a format compatible to grub 2 (the one that looks like menuentry "bla bla ...
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How to resolve “grub loading error: no such partition” error?

I'm having Lenovo laptop that issued by the Tamil Nadu government. In that I cannot boot the operating system. It's showing grub loading error: no such partition grub rescue> How can I break ...
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476 views

Windows recovery partition with GRUB2

So I recently got a new Toshiba laptop and installed Ubuntu 12.04 on it. Since it is a "Windows 7 Enabled" machine or some other proprietary nonsense like that, a few hardware features are designed ...
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How to set up GRUB2 chainloader to other Grub (Fedora, Debian) on GPT

I'm trying to set up a dedicated GRUB2 which (chain-)loads another GRUB on a disk with GPT partition table. Relevant partitions: /dev/sda1 BIOS_BOOT /dev/sda2 BOOT (ext2) /dev/sda3 FEDORA (ext4) ...
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375 views

Detecting which GRUB2 menu entry the system was booted with

I am working on a remote server with no KVM, and am modifying stuff in the boot loader menu. I enabled the fallback and "default boot once" options in case for when I screw something up. Is there a ...
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Macbook Grub2 EFI Installation

How exactly does grub2 works on Macbooks? Does it install Grub2 on the EFI partition and I can boot using the grub loader just as I do on a BIOS based PC? What is actually the consequences of running ...
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GRUB freeze - Debian/Ubuntu home server

I am trying to setup my own home server - headless. It is a Fit-PC2 machine (full tech specs here: http://www.fit-pc.com/web/fit-pc/fit-pc2-specifications/ ) with 160GB HDD so it has limited BIOS ...
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How do I pick the right kernel arguments to boot from the FILES on a linux LiveCD USB?

I think I've been through just about every post on this site about this and can't find anyone who will shed light on all those mysterious arguments that get passed to the linux kernel by grub! What I ...
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Recover partitions with both Windows 7 and Linux installed using TestDisk

I need to recover my partitions using TestDisk. I used deep search and the result is as follows: Disk /dev/sdc - 500 GB / 465 GiB - CHS 60801 255 63 Partition Start End ...
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Remove Grub 2 Blockfiles from Partition eg. /dev/sda1

In the process of setting up an encrypted Windows partition along with a dual booting Ubuntu, I have had to install the GRUB bootloader onto a partition /dev/sda1 instead of the MBR. In this setup ...
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Finishing up and Arch Linux install and Grub is failing to install

Not sure what to do at this point. I finished all of the Arch Linux installer and get to the bootloader step and it fails. This is for a dual booted Windows 7/Arch laptop if that helps at all. Not ...
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268 views

XP restarts the machine on boot over grub2 menu

There were two HDD attached on computer board. One hdd has Linux installation and the other one has Windows XP (on first partition) and Windows 7 (on second partition) First I installed xp and then ...
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How do I set up Grub properly to quad-boot Windows, Mac OS X, Linux, and FreeBSD?

Grub has gone completely insane on me. My quad-boot system was working great up until I upgraded Ubuntu to 12.04. Since Ubuntu overwrote the Grub stuff I had to repair it with my Mac OS X and FreeBSD ...
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grub2 multiboot philosophy

Since using grub 2 I am puzzled by the way the boot menu is created. I usually have some extra installations on different disks or partitions. When doing a os-prober and grub-update my menu will ...
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windows 8 + gentoo uefi grub 2 dual boot

I've bought a new computer with asus sabertooth 990fx motherboard (well known asus ami bios which can use uefi properly) and installed windows 8 using uefi and gpt to play wine-not-compatible games. ...
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How do I recover the MBR on a Thinkpad t420?

After a messy Linux upgrade of my dual boot Lenovo T420 I ended up with GRUB replacing my MBR. Everything works fine: I can boot both Linux and Windows; the only thing different from before is that ...
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Make GRUB 2 boot Windows 8 safe mode

I have a dual boot configuration: Windows 8 Consumer and Ubuntu 11.10. I tried to install the Asus drivers for my motherboard (P8Z68-V LE EFI) in windows 8, and i now get bluescreens when starting ...
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601 views

Hide GRUB2 menu UNLESS you hold down Shift key: how to make this happen?

I have a Ubuntu - Windows 7 dual-boot set-up, and I would like to have it that my laptop would boot up Windows 7 unless I press down the Shift key right after boot and bring up the Grub2 menu from ...
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835 views

GRUB2 rescue boot into windows

I had got 2 partitions on my harddrive: 1. win7; 2. Ubuntu 11.10; As it can be predicted the GRUB loader was in the second partition and this partition was formated from ext4 to ntfs. Now I get this ...
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Grub help, deleting partition without deleting grub

I have a triple boot windows 7, ubuntu 10.10, ubuntu 11.10 and i want to delete the partitiion containing 11.10 but that's where my grub is located I believe. Because it updated to grub 1.99 when I ...
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Howto install and configuring grub2 on a USB thumb drive

I'm wanting to play around with grub2 with linux on a thumb drive. My host OS is Kubuntu. grub-install allows you to write the grub bootloader to the MBR of a disk which is great. However, ...
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How do I prevent GRUB2 from automatically booting into an OS?

I am dual-booting Fedora 16 and Windows 7, and using grub to handle booting. The default is set to Fedora, and I have a real problem with getting distracted during boot and having it boot into Fedora ...
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Linux GRUB2: How to resume from hibernation?

Moving to GRUB2 my Arch Linux no longer resumes from hibernation, because the actual resuming is no longer set up. In GRUB legacy I'd write: /boot/grub/menu.lst: kernel /vmlinuz26 ...
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Move Grub to a different drive

I recently added a new ssd to my machine which I intended to have as my main drive. I installed crunchbang and everything went fine, except I unthinkingly accepted updating/overwriting the MBR on my ...
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Updating grub2 in a Debian VM

I am running a series of debian server VMs under Xen. I am using pygrub, so the kernels and initrds are within the VM itself. I would like to continue using the automatic grub.cfg generation ...
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Installed Windows 7, then Ubuntu 11.10, and now I can't boot to Windows using grub2

I know a lot of people are having problems similar to this one, but I don't think this is a duplicate. My situation is a bit different and none of the solutions that are working for other people have ...
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Boot GRUB2 to GRUB or GRUB2 on another disk

I've got a couple of distributions installed, Gentoo with GRUB2, and openSUSE with some other version of GRUB. OpenSUSE manages it's kernel entries, and I don't want to have to update my main Gentoo ...
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Linux installation won't boot due to GRUB “no such device” error

I think I've exhausted all I know to do, so I'm sending up the flares. I'll try to cover it all (albeit, in pieces), so please be patient. I decided to install Linux Mint 11 where I previously had ...
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470 views

Backing up MBR on laptop disks with recovery partiitions?

Most of the Linux distributions I use allow me to override where GRUB is installed, but I now need to install Ubuntu on some Dell Latitude laptops, and on the test install I did on my old Vaio ...
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Does Grub2 support Memtest86+ iso files?

Does Grub2 support Memtest86+ iso files? If it's supported: How could I write a grub entry in grub.cfg in order to boot the Memtest86+ iso file?
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GRUB2 boot failure: “Error: Out of disk”

Create two or more partitions in one USB disk. Install any Linux system in second or later partition. Install GRUB2 in the disk. Boot directory is the /boot on the partition where Linux system is ...
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Custom file in Grub 2

I have a image file which needs to boot along with my Ubuntu. When I open /etc/grub.d/10_linux for example, I see a lot of code written there. What is the typical format for writing a custom file ...
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Ubuntu 11.04 (64-bit) won't boot. Forgot to install GRUB 2. Manual GRUB install fails

I cannot get Ubuntu to boot. I downloaded the Ubuntu 11.04 64-bit mini.iso and installed it in Virtualbox (v.4.1.2 running on OS X 10.5.8). When I installed Ubuntu, I selected "Command-line expert ...
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How to safely use grub rescue> in Fedora 16? System does not boot anymore

When i boot my PC, i get this in my Fedora 16 distro. I have tried as following but none allowing me to boot anymore. Any help please? I am blocked completely. Grub loading. Welcome to GRUB! error: ...
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How do I set up grub2 with Xen?

I am booting a new Xen kernel and it all goes fine up until some point during the boot process when the machine reboots without warning. Unfortunately, I don't see errors flash up just before that ...
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241 views

Recovering Windows Vista Partition after Ubuntu Natty N. install

I recently installed Ubuntu on my DELL's D Drive (Secondary Partition) and I lost the windows vista boot which was on my C Drive. Now when I boot my system directly loads Ubuntu, which seemed to me ...
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518 views

Why doesn't GRUB see my SSD partition?

I have a HP nc4400 laptop with an SSD drive in it. Sometimes when I reboot I get a There is no such partition. grub rescue > prompt. If I power cycle the laptop all is good and GRUB is able to ...
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What does Ubuntu Linux do with GRUB during a new installation?

I've been messing around with a cheap PC lately and now I have some questions about GRUB; what exactly does Ubuntu do with GRUB during a new install? Several times I've modified my partitions (moved ...
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338 views

Create custom terminal boot mode under ubuntu

I wonder if it would be possible to create a custom boot menu entry in grub under Ubuntu (11.04), that boots the system into terminal instead of the login screen. The effect should be something like ...
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Fedora 15 - Kernel Panic not syncing: VFS: Unable to mount root on unknown-block (0,0)

Fast to the point.. I have installed on my dystem a copy of Fedora 15 and Ubuntu 11.04. I first installed ubuntu on /dev/sda5 and grub2 was instaled at the begining of /dev/sda. Next i installed ...
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137 views

What would be a healthy process for repartitioning my hard drive to add another Linux installation?

So, my computer currently has 1) Dell's RECOVERY partition; 2) A Windows installation; 3) A logical partition with 3a) My Ubuntu partition, and 3b) 8 GB of swap. I would like to take some space away ...
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2answers
105 views

Grub installation problems

I was trying to reinstall Grub over my new Windows installation referring to this guide. Unfortunately on the step where they said to enter this command: sudo grub-install ...
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676 views

Problem with Grub on Ubuntu 11.04

I have installed Ubuntu 11.04 along with Windows XP. Grub is installed properly. When the grub menu loads I get a moving message window saying my monitor is not in the optimum resolution of 1280x1024 ...
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Fixing bad Windows partition and startup with Linux

Here is what happened: Don't have enough space on my Windows partition Delete the stock "recovery" partition to make space Enlarge the Win partition Software messes up the Windows boot Go under ...
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Change the order of all boot entries in GRUB2, not just the first

It's quite easy to change the default boot entry through etc/default/grub. However, this only allows for the first entry to be changed. I want to be able to move all the entries in any order I like. ...
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1answer
301 views

Problems with Grub 2 booting priority

Right now I have this setup: /dev/sda1 is NTFS where I store my cross-platform accessible pictures/videos/etc. /dev/sda2 is my Windows 7 boot partition /dev/sdb1 is ext4 partition with Ubuntu 11.04 ...
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5k views

Grub Autostart with timeout

On Ubuntu 10.4 LTS I want Grub to start the default OS after 5 Seconds. I'd like to see the output of the startup scripts. Currently grub wait forever until I hit return and the output of the startup ...
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Installing existing Ubuntu 11.04 (guest) in VirtualBox on Windows 7 (host)

I have successfully installed existing Ubuntu 10.10 on Windows 7 host as explained in this blog post. Everything worked. I did a clean install of Windows 7 and Ubuntu. Then I tried to follow the same ...
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How to boot Debian Testing when grub_env_export symbol not found?

After a recent run of apt-get dist-upgrade and subsequent reboot, I get just: GRUB loading. Welcome to GRUB! error: symbol not found: 'grub_env_export'. Entering rescue mode... grub rescue> ...