grub2 is the second revision of the GRand Unified Bootloader. It partly resides in the master boot record, so it is launched by the BIOS. It is able to read most filesystems, and its main job is to read the kernel and initramfs from a disk in order to place them into memory and launch the kernel.
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154 views
Grub2 Dual Boot Centos Crunchbang
I have a dual linux boot system running Crunchbang and CentOS. Centos was installed at a later point and the grub2 from the crunchbang installation works, but doesn't pickup CentOS. I tried running ...
2
votes
1answer
314 views
Running an .iso in Grub 2 (Truecrypt Recovery)
Backstory:
I'm trying to recover a TrueCrypt installation. I've got the TrueCrypt recovery iso - and I'm trying to add that as a GRUB entry (I can still boot into Ubuntu on that same device) or run ...
1
vote
1answer
141 views
How to add another OS entry in Wubi grub
I am trying to install another linux distro besides ubuntu. However, I want to retain my existing windows based loader. Currently, as per my knowledge, MsDos loads grub which then loads Ubuntu (with ...
1
vote
2answers
389 views
Bootloader error installing Fedora [closed]
I need a dual boot in my computer, Windows 7 and Fedora 17. I first installed Windows 7 and created the partition scheme during Windows install:
- Partition 1: is a small partition automatically ...
1
vote
0answers
184 views
os-prober not detecting Arch install
I'm triple booting osx, win 7 and arch on an apple macbook pro 8,2
I've followed the guide specific for my macbook pro here:
Macbook Pro 8,2 Arch Installation
As well as the beginners install guide ...
0
votes
1answer
204 views
Debian install fails on USB-HDD
After my internal HDD broke in my laptop, I've tried to install Debian 6.0.6 on my external HDD. Please note that everything runs great when installing Ubuntu, but for some reason while the Grub stage ...
3
votes
0answers
4k views
Enabling IOMMU in the kernel for graphics card pass-through
Short question:
How can I turn on the intel_iommu setting in the Linux kernel? I run a Debian host, using the grub2 bootloader. Documentation I've seen says to edit /boot/grub/menu.lst, which seems ...
1
vote
1answer
94 views
grub does not boot when disk order changes
My BIOS has some problems and sometimes boot order of disks changes. I thought that if I insall grub on to the MBR of second data disk, it may boot. First disk(sda) is for boot and operating system, ...
1
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0answers
37 views
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 ...
2
votes
1answer
625 views
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 ...
2
votes
1answer
149 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 ...
3
votes
3answers
641 views
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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votes
1answer
391 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 ...
2
votes
0answers
173 views
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 ...
0
votes
0answers
83 views
Unable to boot into any LiveCD or boot Into Grub
After rebooting from my Arch install, grub2-bios gave me a normal.mod is not found error message. I cannot rescue from Grub or boot into any LiveCD from the BIOS; for the Ubuntu Image I am just ...
1
vote
1answer
68 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 ...
2
votes
2answers
419 views
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?
...
1
vote
2answers
262 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 ...
1
vote
3answers
415 views
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 ...
2
votes
2answers
2k views
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 ...
8
votes
1answer
5k views
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 ...
2
votes
2answers
2k views
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 ...
2
votes
1answer
528 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, ...
1
vote
0answers
346 views
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 ...
0
votes
1answer
362 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 ...
2
votes
1answer
695 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 ...
5
votes
3answers
458 views
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 ...
2
votes
1answer
1k views
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 ...
0
votes
2answers
2k 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 ...
1
vote
1answer
645 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 ...
2
votes
1answer
916 views
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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votes
0answers
835 views
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 ...
0
votes
1answer
486 views
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.
3
votes
1answer
127 views
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, ...
1
vote
0answers
186 views
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
...
1
vote
0answers
154 views
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 ...
1
vote
1answer
391 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 ...
2
votes
1answer
808 views
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
...
6
votes
1answer
962 views
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 ...
5
votes
2answers
2k views
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 ...
2
votes
1answer
98 views
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 ...
1
vote
1answer
872 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 ...
0
votes
1answer
82 views
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. ...
9
votes
3answers
2k views
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 ...
1
vote
0answers
108 views
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 ...
1
vote
1answer
140 views
Making the transition to multiple hard drives with dual boot
Hi I'm looking for tip or things to watch out for, while I make the following changes to my system:
I currently have a dual boot setup on one hard drive (win7 and ubuntu), I am going to change to a ...
2
votes
1answer
696 views
Getting a working chroot environment to boot with Grub2
Question
I have a working chroot environment (inittab, fstab, init.d/rcS set up), a kernel, and grub2 installed. What more do I need to get my system working?
Background/Specifics
For educational ...
2
votes
2answers
461 views
slitaz cooking grub2 loopback
I'm trying to get slitaz cooking ISO to boot using a grub2 loopback on a multiboot USB;
# /boot/grub/grub.cfg
insmod font
if loadfont /boot/grub/unicode.pf2 ; then
insmod efi_gop
insmod ...
0
votes
1answer
552 views
How to fix mistake in grub.cfg from LiveCD?
Playing around with the GRUB2 configuration, I did something wrong, which caused the system to fail booting.
I would like to fix the issue by re-editing the GRUB configuration file using Fedora 16 ...
3
votes
2answers
5k views
Can GRUB font size be customised?
I would like to reduce the size of the font of GRUB boot loader. Is it possible and so how?
