GRUB2 is the second revision of the GRand Unified Bootloader, with versions numbered 1.9x and 2.yz.

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How can I choose which OS grub will reboot me into—before I reboot? [duplicate]

Possible Duplicate: How can I reboot into windows from inside my Linux shell? When I reboot and want to select another kernel image in grub2 or another OS like windows I have to wait until ...
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Linux on Hard Drive Partition, Bootloader on USB Flash Drive

How can I use a USB flash drive to boot Linux from a partition on (another) hard drive? I'm trying to install Linux on an encrypted partition on the hard drive (using LVM on LUKS). Since /boot must ...
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285 views

Booting grub-2.00 with 2 initrds, crashes with RAMDISK: incomplete write

So, I'm trying to split my initrd into two initrd's. There's some pretty significant scripts that run in the initrd, and we wanted to split the initrd so we could rev the just the logic or just the ...
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How to change Grub 2 default permanently?

Fedora now uses Grub 2. Whenever it does a kernel upgrade, it loses my default boot option (Windows). How can I fix this? I resent Grub 2 over this, because the old Grub respected my choices.
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909 views

Xen / Grub2 - Domain 0 allocation causes boot panic

Current setup / versions : Ubuntu Desktop 12.04 Linux 3.2.0-32 Xen 4.1-amd64 Grub2 After following the documentation to set up xen-hypervisor-amd64 and configuring grub2, when I reboot I get the ...
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booting qemu/kvm directly from a file system

Having used Xen and its pygrub for a while, I'm now trying to do something similar with KVM/qemu. Basically, I have a LVM logical volume (though that could as well be a file) that contains the root ...
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Boot linux bootloader from Mac OSX

Recently I was running Fedora 17 on my computer which was an HP windows based machine. Unfortunately my computer has a malfunctioning motherboard and will no longer turn on. I removed the hard drive ...
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536 views

Grub dual boot without countdown

Is it possible to configure grub to have a dual boot setup behaving like described below? When turning on PC and doing nothing, the default system should start as soon as possible without waiting ...
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Move root filesystem on a logical volume to a different disk

I'm trying to move my root LV to a new VG on my brand new SSD and it's driving me crazy. I think I pulled it off with rsync, but now grub is refusing to register the new boot option off of ...
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Fedora 17 : Cannot open font file True

Each time I login to Fedora 17, no GUI, just a console, I notice this error: Cannot open font file True I have followed some tutorial on web to fix this problem, but still cannot. Here some steps ...
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91 views

Is there a way to automatically run a script after grub-install?

I would like to automatically run a script after grub-install (using Grub2) if it's possible? Some context. The script will simply run grub-install /dev/sda1, grub-install /dev/sdb1, grub-install ...
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Is it possible to remove Windows 7 from dual-boot?

I have Windows 7 as primary OS with Linux Mint as secondary OS. I am just feeling comfortable with Linux and want to remove Windows from the disk. Is it possible to remove it without damaging data? ...
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Missing Fedora in grub after installing Ubuntu

I had Fedora 17 in a primary partition. Yesterday I installed Ubuntu in an extended partition, and I can't see Fedora in grub, so I tried update-grub2 but it doesn't recognise Fedora being present, ...
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776 views

Automatically include N latest kernel versions in GRUB / GRUB2 menu on kernel upgrade

What I like about Ubuntu is that the GRUB menu always allows me to pick the latest (default) or second-latest (etc.) kernel version at boot time. In Arch Linux, I can't do that by default. The only ...
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ntldr.mod missing from GRUB2

I use Debian Wheezy on EFI motherboard and need ntldr module in GRUB2 to load bootmgr of Windows 7 installer, because the way it starts on its own (apparently, using the boot sector of the USB flash ...
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How do you dual boot Debian and FreeBSD using GRUB2?

I've been trying to install FreeBSD alongside my Debian installation in a single partition. All examples readily present on the Internet had shortcomings: Some required chainloading the FreeBSD ...
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549 views

loop-device: is this a Linux entity or a lower-level one?

Here's an Ubuntu How-to about booting from ISO-image on flash. http://ubuntuforums.org/showthread.php?t=1288604 What I don't get is creation of loop-device in GRUB2 prior to booting a kernel: ...
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Can GRUB2 share the EFI system partition with Windows?

I have an existing Windows 7 GPT installation, which already has a EFI System partition. I am now trying to install a Linux on a separate harddisk, which is also GPT formatted. I did not find any ...
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New menu entry in GRUB2, “file not found” and “you need to load the kernel first” errors

I wanted to add new menu entry to my GRUB2 list. This is how I tried to do this and necessary info: Erros after choosing "Debian Wheezy" menu entry from GRUB2 list: error:file not found error:you ...
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1answer
777 views

Problem at booting Windows from GRUB2 menu made by Debian for itself

I've Asus UEFI motherboard with 2 hard disks, (hd0) and (hd1). I managed to make my Debian Wheezy on my second disk bootable using grub-efi and it boots OK. I also have Windows on the first disk, ...
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How to repair the boot selection on grub? [closed]

I had installed on my computer as a dual-boot: Debian Squeeze and Windows XP, so I decided to install Windows 8 just to test and then I would remove it and install in its place Debian Wheezy as ...
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779 views

grub2 and cryptsetup

My root node is LUKS encrypted, and it uses a key file, instead of user input password to unlock it. I know in Grub2, I can use insmod cryptodisk insmod luks cryptomount -u <uuid> But I have ...
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871 views

Reinstall Grub in target system

I'm trying to restore Grub to boot Linux Mint 13 and Windows 7. I just installed Windows 7, which rewrote the MBR, and then I was told I could simply boot Ubuntu live cd, install boot-repair, and ...
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144 views

Why do I have GRUB and GRUB2 in my boot directory?

I'm running F17 and my boot directory has grub and grub2. Why do I need both of these? I thought only one grub was required to boot. Does each one have specific properties?
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Installing Linux Mint Debian Edition into existing partitions: What's there to look out for?

I have four partitions on a hard drive, two of which are boot loaders. One is the /boot partition, one is the boot loader of Windows 7. Now, the Linux running on it, is an old Fedora. I'd like to ...
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Two EFI disks with Grub2

I bought two SSD disks and as usual I though that installing Windows on a completely separate disk would be the easiest solution, but I can't find any tutorials for dual booting with grub2 (efi). All ...
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CentOS grub2 booting iso via loopback

I've got a usb-key setup to multi-boot different Linux images. I'm trying to add CentOS, here's a post with similar entries for grub.cfg set drive_label=multipass01 set isopath=/iso menuentry ...
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How do I force grub2 to detect my arch linux install?

I have an uncommon setup. I have Ubuntu installed on one, and a backup from a direct copy of an older Arch Linux install on the second. By direct copy, I mean I tar'd the contents of an entire ...
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5k views

How can I automatically load my config file in Grub2?

I've installed grub2 because my partition is no longer supported by the legacy grub but I can't make it display a text menu like in the legacy grub? When I start my pc it gives me the CLI where I ...
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905 views

How to make an entry of Slackware into grub2

I want to manually add the Slackware entry into the GRUB2 configuration file /boot/grub/grub.cfg. But the problem is that there is no initrd or initramfs present in /boot directory of Slackware. I saw ...
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How can I tell GRUB I want to reboot into Windows—before I reboot?

I have a dual boot Linux/windows system set up, and frequently switch from one to the other. I was thinking if I could add a menu item in one of the menus to reboot directly into windows, without ...
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Why is GRUB 2 booting so slowly?

I have a small custom embedded Linux distribution (created with OpenEmbedded), which boots with GRUB 1.99. The aim is to have it start up fast. Currently it says: GRUB loading. for ~2+ seconds ...
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Grub2 unable to boot encrypted root

I'm using ArchLinux, I followed their tutorial on encrypting your root filesystem: https://wiki.archlinux.org/index.php/Using_DM-Crypt But I cannot get grub to boot the encrypted partition. My ...
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917 views

Ext4 support in Grub 0.9X (legacy) and Grub 1.9X (Grub2)

I'm about to setup my new USB key with Grub or Grub2. In the old days I used ext2 for the boot partition. I'm wondering if I could use ext4 for Grub2? And if use Grub 0.9X, what about support of ...
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How to put a background image on GRUB?

I found some images on the internet about some GRUBs with a background image, I would like to do something like that too, but how? I have GRUB2.
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update-grub in grml

I converted a machine from a single disk to mdadm RAID1. I did this nearly like it's described in Raid1 on a running system. Before, I tried to make the same changes not within the running system, ...
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Cannot boot Linux Mint after installing Windows (First) and Linux Mint (Second)

I can't boot my Linux Mint after installation of Windows. First I installed Windows and then installed Linux Mint with the option of "Install along with windows". But after I completed the Mint ...
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grub-mkfont input and output formtas

I have a font that I can set using setfont and rc.conf [CONSOLEFONT]. It is in psf2 format. I would like to use the font in Grub as well. I'm using Grub2. When I run grub-mkfont -o ~/outfont pc.psf ...
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Dual/Triple Booting with dmraid and non-raid disk

I currently have 3 hard drives in my computer The first two disks are in a RAID-1 array, using an Intel P55 chipset, and accessed through dmraid, with the third drive partitioned like so: Filesystem ...
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1answer
551 views

Grub2 network-based boot choice

Sorry for the stupid title, I didn't know how else to phrase it. I run a computer-science lab at a university with about 50 workstations that dual boot Debian and Windows XP. Obviously the grub ...
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1answer
320 views

Setting grub loader as default loader

I have Windows 7 on my system, and recently I have installed Fedora 16 in a different partition. To have it dual boot, I have used EasyBCD 2.1.2 and I made an entry for Fedora. When I boot my system, ...
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slitaz 4.0 grub2 loopback concatenate multiple initrd images

I'm trying to get slitaz 4.0 ISO to boot using a grub2 loopback on a multiboot USB; insmod font if loadfont /boot/grub/unicode.pf2 ; then insmod gfxterm # insmod efi_gop # insmod efi_uga ...
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Where can I learn more about how to use the GRUB `ntldr` command (module?)

I recently stumbled across the GRUB ntldr module. Apparently one of the things it can be used for is as an alternative to chainloader to boot the NT >= 6.0 versions of Windows as in the example ...
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Poor TTY resolution with nVidia driver

The resolution of the TTY1-6 is poor ~ 640×480 Ubuntu 11.10 | Grub2 | nVidia | NVIDIA GT215 Board I went through the process on this site and after the edit the GRUB menu appears in the correct ...
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Why are my drives referred to as '(hda0,msdos5)' etc in grub instead of (hda0,5), (hda0,sda5) etc that you usually see?

I'm fiddling about trying to get a multiboot system (win7, ubuntu, lion) on one drive working with grub 2, but was wondering what the msdos part meant on my system. I don't see it like that on any of ...
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Why does Linux allow ‘init=/bin/bash’?

I recently found out that if I edit GRUB before booting and I add rw init=/bin/bash I end up with a root shell. Being in a condition that I want to understand everything I would like to know why this ...
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2k views

Help fix corrupt GRUB

I have multiple partitions on the hard drive of my laptop (1 Crunchbang/Debian, 1 Windows, 1 Windows Recovery), I booted on the "recovery" partition for the first time and the graphics were completely ...
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Grub not installing properly with two seperate discs

I'm trying to set up a dual boot Windows 7/ Ubuntu 11.10 I have 3 drives Linux - sda1 Swap - sda5 Windows - sdb1 Media - sdc1 I installed Windows first so that it didn't muck up my GRUB loader. ...
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How do I begin with building a Linux system from scratch?

I tried to make an operating system with my on custom built kernel. It didn't work out too well. I am using Ubuntu and have downloaded Linux 3.2.7 from kernel.org . I am not trying to change the ...
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Can you use grub to boot a RW partition file stored on a FAT32 HDD?

This is a bit tricky question. I have a Ubuntu 11.10 installed onto a USB 16GB Flash drive. I used the Ubuntu installer to do this. It runs great! Except the I/O is slow. I also have a 250GB USB ...