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

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2answers
3k views

GRUB doesn't have the timeout anymore

I noticed this first when I removed the i386 kernel and left in place the amd64, so I installed the i386 kernel again, still doesn't work. Nothing explain why I need to select the boot option if I ...
3
votes
2answers
5k views

Unable to find root device / sda partitions missing

I have installed Archlinux, and after that GRUB. I manually entered menu entries for both my Windows and Arch installation. GRUB has no problems booting, and can successfully load in Windows. It ...
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1answer
419 views

How to dual-boot on a machine with PGP WDE?

PGP Whole disk encryption ("WDE") is an encryption software that encrypts all your data, and includes a bootguard. Because of this, I have been unable to successfully dual-boot, as there is no place ...
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0answers
256 views

Stuck at Grub command line after boot repair

After updating Windows 8 to Windows 8.1 I lost access to Grub and my Linux Partition (running Elementary OS) so I tried using boot repair from a Live USB and now I can't access either. It drops me out ...
1
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1answer
133 views

Restore os-prober script in /etc/grub.d

I accidentally removed 30_os-prober script in the directory /etc/grub.d. How can I restore it without reinstalling Grub? I didn't find any manual or command list for os-prober. I'm on ArchLinux ...
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0answers
100 views

Automatic shut down of Ubuntu 13.04 along side Windows 8

Things with Ubuntu were working absolutely fine, but suddenly, the laptop started overheating whenever I logged into Ubuntu. And that lead to automatic shutdown. I realised that it was definitely due ...
1
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1answer
4k views

GRUB won't boot (no such device)

I have 4 hard disks (I am on Debian LiveCD now): user@debian:~$ sudo blkid /dev/sda1: LABEL="System Reserved" UUID="EE2CE1122CE0D71D" TYPE="ntfs" /dev/sda2: UUID="AEB0F4D6B0F4A64D" TYPE="ntfs" ...
2
votes
1answer
49 views

Does GRUB install itself on every disk?

I have 4 hard disks. One of them houses Debian, one Windows and others are just storage. Does GRUB install itself on every MBR of every hard disk? (I have not specified any path explicitly for GRUB ...
2
votes
1answer
245 views

grub2-install doesn't work the first time, but does work the second time

This is a weird one... I'm working on some software. It has a function to make a USB device bootable. It does this by running a long, complex sequence of actions to copy a minimal Linux OS onto the ...
2
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0answers
355 views

What is the kernel syntax when booting from ZFS?

I'm trying to write a grub.cfg completely from scratch that will boot one of several FreeBSD systems off of a single ZFS pool named tank with a set of root file systems named root1, root2, root3. ...
1
vote
1answer
982 views

What does the --hint option in grub2's search command do?

I'm looking at the official GRUB2 docs for the search command, as found on http://www.gnu.org/software/grub/manual/grub.html#index-search Command: search [--file|--label|--fs-uuid] [--set [var]] ...
4
votes
1answer
4k views

How to reinstall grub to the EFI partition after initially installing it in Linux root. Do I have to start over?

My machine was running Mint 15 KDE 64-bit (GPT partitioning, EFI bootloader without 'secure boot'), and I wanted to try Mint 16 before committing to it. So I installed it into another partition and ...
3
votes
1answer
107 views

WD Advanced Format confusion

One of my Hitachi DeskStar 7K160 hard disks died today and the other one is not safe (has bad sectors) so I've ordered a new 1 TB WD Blue WD10EZEX. Apparently nowadays new hard disks come with this ...
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3answers
16k views

GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...
2
votes
1answer
69 views

Isn't /boot a separate mount?

My understanding is that /boot is being accessed by lower level tools (e.g. grub) during system startup and so it is formatted specially in a simpler format than the rest of the disk. But when I do: ...
1
vote
2answers
128 views

How to beat GRUB2 into submission?

I have tried GRUB2 on different Ubuntu releases (12.04 and 13.04) on several machines and no matter what I do I can't get it to behave. It seems like a great idea (abstracting away configuration files ...
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0answers
215 views

Grub error: no such partition after fresh install

I just installed Scientific Linux 6.5 from DVD. The installation went smoothly and finished. But after booting it complains: error: no such partition Grub rescue> Prior to this computer, I ...
9
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1answer
18k views

How do I update grub in Arch Linux

In Ubuntu we use below command to update grub 0.98 : # update-grub But how do I update grub version 2.00 in Arch Linux ? `
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0answers
193 views

How to access Win7 on a dual boot machine?

I've been dual booting Win7 and Ubuntu for about 4 months and I got on it today to change the default boot on grub, because my girlfriend kept getting locked out when it reboots and, by default, goes ...
1
vote
1answer
710 views

Raid5 + LVM2 + grub2: final config and boot

I have a one disk, no RAID, no LVM system based on Debian Squeeze (my old system). I created a RAID array (RAID 5, 4 HDDs) with mdadm (my new system). I installed LVM2 on the new system and ...
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2answers
2k views

How to recover missing Grub File

On my test system. I was doing some testing and i move the grub.conf file from /boot/grub/ to /opt/ And on boot black screen came as expected with just grub> written on it. I tried to solve it using ...
3
votes
1answer
206 views

Password protect Grub2, but still allow normal boot

I have seen this link , but I don't have grub.conf in the first place. His situation is the inverse from mine though. This link explains quite a fair bit on Grub2, but I am still clueless as to how ...
2
votes
2answers
847 views

Make Grub2 boot into Windows/old kernel once

How can I make Grub2 boot into windows or an old kernel once (i.e Windows becomes the default option for once and grub boots into that after the timeout)? The reason being: My keyboard usually hangs ...
4
votes
1answer
572 views

How can I preview the GRUB2 boot screen?

I've been reading a tutorial that shows how to set the background image that will be displayed behind the GRUB2 boot options menu. However, I am concerned that the text might not be visible against ...
2
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0answers
217 views

Can “grub-emu” make any changes to my system?

Can "grub-emu" make any changes to my system? I understand that the command "grub-emu" opens a GRUB emulator. However, since it loads the configuration files used by the "real" GRUB, I am a little ...
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vote
2answers
108 views

GRUB2 and Foreign Keyboards

If I have GRUB2 installed on a system that is using a foreign keyboard and I want to use CLI Mode, what key would I press? On Latin-based keyboards, we would press "C", but other alphabets lack the ...
2
votes
1answer
285 views

Why it is necessary to update /etc/default/grub, and not just save it?

I understand that the grub file contains some instructions that are required before booting such as: booting in text or booting in Graphics mode. My question is why do I need update-grub? Why just ...
2
votes
4answers
4k views

Add FreeBSD to GRUB2 boot menu

I have Gentoo x64 installed with Grub2 on my MBR drive. Today I installed FreeBSD x64 9.2. Now I'm in Gentoo and trying to add FreeBSD to grub2 menu list. grub2-install /dev/sda os-prober ...
4
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0answers
232 views

GRUB 2 scripting: convert device name in GRUB notation into a Linux device name

I'm trying to use partition labels (or UUIDs, that does not matter) to select root partition without use of an initrd/initramfs. With initramfs, this is fairly easy: root=LABEL=... or ...
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vote
2answers
2k views

How to make a bootable HDD with GRUB2

I have a (non-UEFI) Gentoo Linux system, and I am preparing a hard drive for another system. I have prepared partitions for the new system, and now I want to make it bootable. I remembed that in ...
1
vote
1answer
9k views

Installing Kali Linux dual boot Windows 8

I have Windows 8 currently installed on my computer I created a 350gb partition. I removed secure boot and enabled legacy boot sources, I booted into a live environment, installed Kali, everything ...
3
votes
1answer
1k views

“unknown partition table” - misconfigured kernel

I was compiling a custom linux kernel for a newly installed machine, and after booting into the new kernel (3.12), the init process fails to find a root device, which I traced to the system getting an ...
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2answers
90 views

How to get GRUB back after overwrite?

I have an internal hard drive with the Linux distro I use daily. Today, I wanted to test another distro, I installed it on a USB flash drive, but GRUB was installed on my internal hard drive. Why on ...
0
votes
1answer
2k views

Kali Linux + WIndows 8 - Cleared my master boot record, can't access Win 8

I'm not a linux power user by any measure and managed to screw up my MBR. Currently I have access to Kali linux, and GRUB is working fine (Kali installed without problems.) While installing Kali it ...
4
votes
2answers
16k views

How Do You Pass VGA/VESA Modes with GRUB2?

One of my machines has a 3 TB HD setup to triple boot into Mint 14 (Ubuntu 12.10 variant), Slackware 14.1 and Arch Linux. The HD is formatted using the GPT/Guid system. The Grub2 technically "belongs" ...
0
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1answer
487 views

can't find command 'linux16', need to update Dell BIOS. use startup disk?

I'm running Ubuntu 13.10, Dell has dropped support for linux except for one server line, and none of these solutions work because the linux16 command is gone from grub2. How can the final steps ...
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2answers
95 views

Grub doesn't install - corrupted iso?

I wanted to install Arch Linux on my netbook. I hadn't important files on my hard drive so I've created new partition table (GPT) using GParted from Fedora LiveCD. When I'm running grub-mkconfig -o ...
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2answers
774 views

Grub2 in Ubuntu 12.04 doesn't add “quiet splash” to Fedora kernel

Grub2 installed in Ubuntu 12.04 doesn't add quiet splash kernel parameters to Fedora's kernel. Here are the options in /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" ...
2
votes
1answer
1k views

GRUB2 Insert additional kernel modules

GRUB2 doesn't have the menu.lst file. How do I configure a boot script. During boot, I hit E on the kernel image that I want to modify and make my modifications. But I would prefer to make the ...
3
votes
1answer
1k views

Grub 2 os prober for windows 8

I try to use dual boot with fedora 20 and windows 8. I install first windows and then fedora. And grub dedectet automatic my windows. So the default \etc\grub.d\30_os-prober for windows is this: ...
0
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0answers
862 views

Can't install GRUB. Dual Booting Kali Linux with Windows 7. Two different HDDs

I'm having trouble installing Kali on a MSI GE70 2OE with a SSD HD and a standard SATA HD. I've installed W7 on the SSD, and then partitioned my SATA in two parts: One 800Gb for W7 and another 200Gb ...
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2answers
1k views

How to run PC-BSD iso from GRUB with only Linux installed

I'm working on Ubuntu, and I wanted to try BSD. I downloaded a PC-BSD iso (PCBSD9.2-RELEASE-x64-DVD-USB-latest.iso). I wanted to know if it is possible to use "loopback" to run that image even if I ...
7
votes
5answers
9k views

Arch GRUB asking for /run/lvm/lvmetad.socket on a non lvm disk

I am running this script based on the ArchWiki setup procedure. It fails on the GRUB configuration step I am using the archlinux-2013.12.01-dual.iso inside VMware Player with 1 GB ram, sda is 810 ...
0
votes
1answer
985 views

Why is my machine not showing anything when booting?

I'm using Ubuntu Server 11.10 x86, and after I make my normal selection (Ubuntu, with Linux 3.0.0-12-generic-pae) from the GRUB menu, the screen just goes blank - there's not even a cursor showing up. ...
2
votes
2answers
1k views

How do I apply parameters to specific kernels with GRUB 2?

I have several kernels in /boot. One of them, linux-cc, is for heavy computation, i.e., 100Hz, no preemption, no graphics. I've created a systemd target, named compute.target, that only brings the ...
1
vote
2answers
118 views

Minimal Linux, stuck at building GRUB

I am trying to build a minimal linux, for experimenting out with drivers (LLD 3 book refers kernel version 2.6.10). LFS looks out to be a hell of a task, and I am not sure of if I would be able to ...
0
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0answers
674 views

Pressing Ctrl-X or F10 does not boot Linux

I am new to Linux and trying out different distros. However, my laptop has ATI GPU (Asus N56D) due to which many distros didn't boot successfully. After having google'd I found that I need to set ...
4
votes
2answers
334 views

grub on floppy to rescue CD boot chain

I am having trouble figuring out how to have grub installed on a floppy in a way that it automatically boots a modified Ubuntu 12.04 CD on startup. I will settle for knowing some commands at the grub ...
0
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0answers
26 views

efibootmgr not found while grub-install --recheck on Arch linux install [duplicate]

I'm not an expert on linux. I've been used Ubuntu for a year or something. When I bought a new laptop (Lenovo G500) and wanted to install Arch Linux on this machine. I followed the steps of official ...
3
votes
1answer
6k views

`Error: no such device…` after installing Arch Linux

I've seen many threads about this error but I couldn't find a solution. I've installed Arch Linux alongside Windows 8. (Dual Boot). I followed this video exactly but am getting the error below at ...