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.
16
votes
3answers
2k views
FreeNAS grub2 booting ISO
I've got usb-keys setup to multi-boot different Linux images. I wouldn't mind adding FreeNAS, and there's a doc with samples to add to grub.cfg
menuentry "FreeNAS-8.0.4-RELEASE-x64" {
insmod ufs2
...
2
votes
3answers
852 views
dual booting ubuntu and windows 8. w8 boots through grub shell, but not from menu
I have a laptop, with installations of Ubuntu 12.10, and Windows 8.
Windows 8 was first installed on the system, and Ubuntu was installed afterwards.
During the Ubuntu installation, the installer ...
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
2answers
429 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?
...
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 ...
1
vote
2answers
353 views
How to correctly set up the right GRUB 2 default menu entry?
I'm running GRUB 2.00 on a Gentoo Linux system.
I compile my own kernels manually, and then I install them in /boot with make install. I have the following kernels in /boot at the moment:
# ls -1 ...
4
votes
1answer
753 views
How can I boot the PC-BSD live DVD-ISO IMAGE directly via GRUB2?
Via the loopback command, GRUB2 allows to directly boot an ISO file.
Now, I've configured the according menuentry to boot the PC-BSD Live DVD ISO, but when I try to boot it, the FreeBSD bootstrap ...
4
votes
1answer
1k views
Booting a file system image from a HDD using GRUB2 with persistence
How do I preserve changes I make to files when running an operating system that is booted - using GRUB2 - from a file that contains a file system.
I managed to get GRUB2 to boot an image file that ...
3
votes
1answer
101 views
Can the grub2 bootloader replace Windows bootloader partition?
I'm dual-booting Windows and Kali Linux on my laptop, using grub2 as the bootloader.
Can I remove the partition Windows 7 creates for the bootloader? It is the 100MB partition labeled "System ...
3
votes
1answer
189 views
Arch linux : pacman does not work when chrooting
I have Ubuntu installed on my computer. I decided to install Arch linux, but I skipped the part about Grub installation as it is already installed. Seeing that Arch does not show up in Grub's menu ...
2
votes
1answer
169 views
Chainload syslinux from grub2 - show syslinux.cfg menu
I am using a Clonezilla live USB disk to reimage systems.
In accordance to what is explained in ...
2
votes
1answer
101 views
Can grub2 detect processor architecture, and display options accordingly?
I have a bootable usb flash drive with grub2 handling booting of ISOs (mostly different spins of Ubuntu). I am editing the menu.cfg myself and have my own script to update grub because I don't want to ...
2
votes
1answer
627 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
812 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
...
2
votes
1answer
497 views
How to configure GRUB to load Windows 7 Install in UEFI mode
I have a Dual-Boot USB I created with Multisystem for booting into PartedMagic, Ubuntu 11.10 & Windows 7 Install. Problem is Windows 7 says it cant install on a GPT partition.
Googled, and found ...
1
vote
1answer
38 views
grub2: how to bypass “press any key”?
I recently updated my motherboard and moved my grub2 onto EFI partition. I have same grub menu, but after I select a menu entry and press Enter, a message "Press any key" comes and the loading stops ...
1
vote
1answer
46 views
Grub2 keyboard layout when decrypting partition
According to the OpenSUSE 12.3 documentation the only keyboard layout which can be used during a Grub2 boot is the "US keyboard layout".
Is there really no way to change the keyboard layout used when ...
1
vote
1answer
43 views
How to edit grub2 to use kdump?
I was following http://fedoraproject.org/wiki/How_to_use_kdump_to_debug_kernel_crashes and in step 2 I need to add the line to grub.cfg, but grub.cfg is a shell I do not know how to edit it, most ...
0
votes
1answer
38 views
List partitions in grub2 shell?
I've been doing some spring cleaning of my hard drive. This cleaning caused my grub configuration to get messed up ( no surprise there ). So when I boot I wind up in the grub2 shell. ( The shell with ...
0
votes
1answer
25 views
Grub2 failing to update
I recently replaced a disk containing my /home partition only. Upon attempting to upgrade my kernal package (Debian Squeeze) I get the following error:
/usr/sbin/grub-probe: error: Couldn't find PV ...
0
votes
1answer
202 views
Chroot in to reinstall Grub2 reinstall, mnt/ is empty
I have a common problem: I installed Fedora 18 on my PC that has Windows on it. When I start the PC I don't get asked which system I want to boot, Windows is chosen always.
So I found out that I ...
0
votes
1answer
70 views
Cannot load font true and no console access in Fedora
When I boot Fedora 17 this error appears:
Cannot open font file True
I found this question Cannot open font file True, but the person who faced the problem in that question can access the console. ...
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
42 views
getting the message “out of partition” after installing grub2. What is happening?
I recently moved a partition with a complete Linux install except /home to a new disk (with DD).
Everything went fine, I can mount the partition, browse it... perfect.
Next step: install grub to ...
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 ...
2
votes
0answers
18 views
How to properly configure GRUB settings from KDE System Settings
I'm using Kubuntu 12.04 with KDE 4.10, and I recently installed the kde-config-grub2 that places a nice Grub configuration panel into KDE System Settings.
I played around a bit, more for learning how ...
2
votes
0answers
780 views
Grub error: file '/grub/i386-pc/normal.mod' not found?
I recently install arch (hopefully successfully) on my machine. When I went to reboot however I had a problem. I got a black screen with text saying
Grub loading.
Welcome to GRUB!
error: file ...
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 ...
2
votes
0answers
287 views
VirtualBox bug[?] when Chainloading Grub2
Regarding this: How to install Fedora&Ubuntu with encrypted VG's on one disk?
So booted into Ubuntu..and I run this script:
#!/bin/bash
# show the bootlist of grub when booting pc
sed ...
1
vote
0answers
88 views
grub2 ubuntu 12.04.2 flashing screen
Okay, so I've been searching a bit and either by my lack of understanding (I know just enough to be about as dangerous as a fluffy kitten) or because I am just not searching for the right stuff (maybe ...
1
vote
0answers
91 views
GRUB2 and kernel vga= parameter
According to the documentation, use of the vga= kernel parameter is deprecated as of GRUB2. The fact that some newer kernels don't seem to support it anymore on certain adapters is of no concern as ...
1
vote
0answers
185 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 ...
1
vote
0answers
189 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
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
0answers
1k views
GRUB2 and EFI - File not found?
I'm running Linux on a 8,3 2011 MacBook Pro. It uses EFI/rEFIt to boot.
I was able to install GRUB2 EFI support, and it shows up just fine in the rEFIt boot menu. Everything seems to be working ...
0
votes
0answers
73 views
How to convert grub config to use kernel device names instead of UUID
I've got a bunch of identical systems on which I want to clone the same openSUSE 12.3 installation.
I've set up clonezilla on PXE server.
After appling the disk-image of on another machine, it fails ...
0
votes
0answers
53 views
Update from Grub 1.98 to Grub 2
I currently have an OS called Backtrack installed alongside Windows 7, and I use Grub to boot.
The problem is the Grub that comes with this is version 1.98. I'm fine with it except for one thing: ...
0
votes
0answers
139 views
grub-install from the grub2 shell
I am trying to follow this answer but keep getting stuck with the following errors:
me@greenlane:~$ sudo grub-install --boot-directory=/boot /dev/sdc
/usr/sbin/grub-bios-setup: warning: File system ...
0
votes
0answers
180 views
How to set the default entry in grub on Fedora 18?
I am unable to set Windows 8 as the default entry in grub 2 on Fedora 18.
I have tried the following, but nothing happens.
http://fedoraproject.org/wiki/GRUB_2
...
0
votes
0answers
157 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 ...
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 ...
0
votes
0answers
843 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 ...
