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

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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. ...
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1answer
2k 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]] [--...
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1answer
5k 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
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1answer
136 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
22k 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
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1answer
75 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: ...
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2answers
154 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
267 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 ...
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1answer
37k views

How do I update grub in Arch Linux

In Ubuntu we use below command to update grub : # update-grub But how do I update grub version 2.00 in Arch Linux ? `
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218 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 ...
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1answer
992 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
3k 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 ...
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2answers
357 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
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2answers
1k 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
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1answer
1k 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
345 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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2answers
180 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
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1answer
346 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 ...
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5answers
8k 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 grub2-...
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0answers
365 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 root=/dev/disk/...
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2answers
3k 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 ...
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1answer
13k 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
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1answer
2k 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 ...
0
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2answers
104 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 ...
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1answer
3k 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 ...
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2answers
30k 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" ...
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1answer
858 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
102 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
994 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" GRUB_CMDLINE_LINUX=...
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1answer
2k 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 ...
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1answer
2k 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: ...
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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 ...
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5answers
15k 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 MB....
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1answer
1k 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. ...
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2answers
3k 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 ...
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2answers
149 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 ...
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0answers
1k 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 "...
3
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2answers
502 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 ...
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0answers
29 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 ...
6
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1answer
9k 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 20:...
4
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1answer
2k views

Booting a Knoppix ISO from Grub - device/uri madness

I'm trying to boot a Knoppix ISO from Grub like so: loopback loop /boot/iso/knoppix.iso linux (loop)/boot/isolinux/linux lang=en bootfrom=/mnt-iso//boot/iso/knoppix.iso initrd (loop)/boot/isolinux/...
0
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1answer
165 views

Building a bootable USB stick - GRUB syntax help

So I have a usb stick that I've partitioned into 2 parts. The first part contains GRUB (Via grub-install) and some ISOs that I want to boot/install from. Rather than start the Linux kernel on these ...
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3answers
6k views

No matter how many times I try re-installing Linux Mint, I get a GRUB error. How do I fix it?

I have been trying to install Linux Mint 16 Petra using a removable USB thumb drive on my laptop, and after multiple attempts, I get the same error every time: error: file '/boot/grub/i386-pc/normal....
3
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1answer
3k views

Boot fails after reinstall GRUB

I unfortunately had to install Windows 8.1 in my computer and after doing so, I tried to reinstall GRUB following the next steps: Booted with the Live CD Mounted my system partition: mount /dev/...
0
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1answer
385 views

How to get past grub rescue?

So this weekend when my Windows install crashed I decided to create a partition for Ubuntu for my application development instead of running Ubuntu on a VM. But I didn't install Ubuntu with the right ...
0
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0answers
33 views

Bring Debian to second Position in the GRUB Menu at startup [duplicate]

So, I currently have BOSS Linux and I am going to install debian (currently installing right now) And I want my older OS (BOSS linux), on the first position and the debian, (freshly installed) to be ...
2
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2answers
407 views

Bring Debian to second Position in the GRUB Menu at startup

So, I currently have BOSS Linux and I am going to install Debian (currently installing right now) And I want my older OS (BOSS linux), on the first position and the debian, (freshly installed) to be ...
2
votes
2answers
5k views

Dual booting Debian and Windows 8?

My problem is a little weird (maybe to me only). Specification: Lenovo, Ideapad Z510. i7 intel core. 1920x1080. ISO: GNOME Debian 7.2.0 amd64. Bootable Device: Universal USB Installer. ---Process ...
0
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1answer
676 views

How to make a GRUB Rescue Disc?

I am afraid that my GRUB is corrupted (I do a lot of experiments on my PC) and I know that I will not be able to reinstall Debian (downloading takes up a lot of time). Also, I am just 13 so I don't ...