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

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How to Pass High Resolution from GRUB2 to FreeBSD?

I boot FreeBSD-10-RELEASE from GRUB2. I have set up the GRUB2 boot menu to display very nicely at my laptop's max resolution of 1024x768x32. I know it's possible to pass this resolution to the boot ...
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94 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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133 views

How do I use the TPM to seal away data on an UEFI booted system?

I would like to seal away files on my system using keys stored in the TPM. Since my system uses UEFI to boot, I can no longer use TrustedGrub as a boot loader to maintain my trust chain. Are there any ...
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376 views

getting the message “out of partition” after installing GRUB 2. 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 ...
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550 views

UEFI install (14.04) boots to GRUB command prompt, no GUI

I just installed zorin 9 core (14.04) on my Hard-Disk in UEFI mode. But, when I boot, all that comes up is a GRUB2 command line. I've searched for solution and came up with this command configfile ...
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15 views

Signing GRUB bootloader

The laptop I recently bought uses UEFI. As an experiment, I think it would be really cool to generate my own keys and use them to sign my bootloader, and also to password protect the bootloader. How ...
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57 views

How to make grub Command Line Default?

I'd like to make grub by default load it's command line instead of automatically booting from it's list of options generated by update-grub. How can I do this?
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88 views

Dual boot Solaris and Linux

I have a laptop running Oracle Solaris and Gentoo Linux. First I installed Gentoo Linux. I used GPT partitioning scheme. In order to boot Gentoo Linux I have GRUB 2. Then I installed Solaris 11.1. ...
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371 views

Installing Arch Linux alongside OS X - Bootloader issues

I have installed Arch Linux alongside my OS X install on my MBP 11,1 using the guide found here, however on the last three commands of the boot loader section I get the error /usr/sbin/grub2-probe: ...
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101 views

chainload multiple grub2 bootloaders

This is the context: I have a laptop with one hd which contains 4 partitions: 2 for windows: (hd0,1), (hd0,2) -> For windows 7 2 for linux: (hd0,3), (hd0,4) -> For linux (logical partitions). The ...
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178 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. ...
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134 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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101 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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415 views

Could I add GPT BIOS Boot Partition after Debian installation?

I recently installed Debian Wheezy on a server with 24TB of storage (RAID 6). When I partitioned the big volume I selected Manual option and created the partition scheme. When I was partitioning, I ...
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99 views

Grub video memory settings?

I have three monitors. Only two have a display. The solution that worked in the past was to increase the video memory in grub. I lost my old grub.conffile. So, instead of three displays, I only have ...
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1k views

Windows 7 to Debian Linux: install without CD/DVD or USB drive or net during install

Installed : windows 7 home premium. Now want debian linux. Tried a couple of things (see question below). Got installer menu using win32-loader.exe of debian from the goodbye-ms site. But I have a ...
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186 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 ...
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228 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 ...
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318 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 ...
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Read pre-grub2 error messages

Grub2 displays an error message followed immediately by the menu. Without a high speed camera there is no way to read the message. Is there any way to see the error messages that grub2 displays before ...
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53 views

Trying to Add Oracle Solaris (SunOS) OS 11.2 as a Dual Boot under Grub2

I was Trying to install Oracle Solaris (SunOS) 11.2 as a Dual Boot under Grub2. I followed the Grub2 instructions for Adding an ISO and I get the following Grub Entry for the Solaris ISO -- ...
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355 views

Repair GRUB from Arch live CD

I'm trying to install Arch on sda8 (with swap on sda7) following the instructions here. I got to the part of setting up the WiFi a second time, but since I already have GRUB, I got lost at the section ...
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70 views

Errors dual booting Ubuntu Studio 13.10 and Windows XP Pro x64 using GRUB 2

Getting the following errors when I try to boot Windows XP Professional x64 Edition (on /dev/sda1) using GRUB 2: error: no such device: A8542EOA542DDC36. error: invalid signature. I originally had ...
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68 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 ...
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113 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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35 views

Ubuntu Linux 12.04 - Load Non-MBR grub from the old grub in MBR

I have installed Ubuntu linux 12.04 on sda10, and grub2 in sda5 . Actually I had a legacy grub installed in MBR, I want to load Ubuntu linux from the old grub. How could I do this? This question ...
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290 views

ubuntu winboot wubildr.mbr missing

I have installed Ubuntu 12.04 (64 bit) operating system, It supports uefi so I installed it like a normal dual booting Now(not like wubi), when I try to load Windows8 it works fine. But when I try to ...
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34 views

GRUB2 Edit Mode problem

I have recently installed Fedora 18 using UEFI. The problem I'm facing is that when I try to go into edit mode in GRUB, my PC freezes, displaying just a black square instead of text. Unfortunately I ...
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205 views

How to check Grub2 config file?

When I boot my Fedora 19, I get a very brief error message when Grub2 loads. It's too quick to read, as it switches to the graphical mode almost instantly. My idea is to test the config file. I ...
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520 views

GRUB2 under Mint: Booting PC-BSD without chainloading?

Wanting to try several operating-systems, I installed the following on a MBR-partitioned harddrive: Partition 1: FreeBSD on UFS split in root-slice and swap. No problem booting... Partition 2: ...
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220 views

Can't see my ssd drive when booting using grub on a usb pen

I installed debian on my laptop and everything was fine (I may need to mention that I'm using LVM) until I reached the grub point. Since I have a GPT partition he refuses to install properly. I ...
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374 views

Grub - Windows Invalid EFI file path

I have 2 hdd, Windows on the first, I installed Mint on the second. This destroyed the bootloader so I used boot-repair to restore it. Boot-repair identified both OS. Now my fresh Mint install boots ...
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314 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 ...
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354 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 ...
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200 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 ...
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144 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 ...
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2k 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 ...
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49 views

Installed Linux Mint on a dual-boot system. Cannot boot Windows 7 anymore

My system initially had Windows 7 and Ubuntu 14.04 installed on two separate hard-disks. The system uses UEFI. The Grub boot menu used to show up and show me boot options for Windows and Ubuntu. ...
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48 views

What are the steps needed to get Redhat/Centos 7 to boot from an mdadm RAID?

I've spent a day on this. Figured it was time to ask. In the end I couldn't get around "Bad magic number in super-block ..." On an average install, my sda exits setup as an EFI. I'm cool with that ...
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50 views

installing manjaro linux wrecked my boot

I don't know if it's manjaro finally, but it happened after installing manjaro. I have a Samsung laptop, maybe 1 year old, 750GB HD, 4GB RAM. It came preinstalled with Windows with some repair ...
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14 views

automated script to transfer live linux root?

is there a script that can make a bootable copy of the currently running live (ubuntu) root partition from a booted hard disk to another (then bootable) hard disk and/or bootable USB flash disk? such ...
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76 views

Fixing System boot failure due to GRUB Error

We have a Debian based system, which unpredictably goes in to non bootable mode. Listed are the errors that usually occurs in the system. 1 > GRUB RESUE 2 > INTIRAMFS 3 > INIT SCRIPT FAILURE ...
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19 views

Generate what a GRUB2 kernel line would look like

In GRUB 0.97 we were able to see what the kernel line/options would look like by just viewing /boot/grub/grub.conf. Now the only way I know how to check the next boot kernel options/kernel version ...
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131 views

Grub doesn't recognize windows 8

Recently, I installed Windows 8.1 and Linux Mint Debian Edition on a new laptop. Neither installs seemed to have any issues, and both operating systems run well. However, the only way I can switch ...
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203 views

Fedora 20 on Macbook Pro Retina 11.1 (Late 2013)

I've got myself a new Macbook last week but I just can't get used to OSX and would like to use a Ubuntu, Debian or Fedora installation as Main OS. I have installed Fedora without a bootloader as the ...
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Kali Linux is not booting after installation after/before Windows 7

I have GPT, EFI (or UEFI?). I've installed Windows 7, then Kali Linux (in opposite order too), but Kali doesn't want to boot -- Windows wants. I tried to use update-grub, tried to switch the ...
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49 views

Install PLoP Bootmanager to GRUB2 on an HP 2000 Series to Dual-boot with Windows 7?

I know this sounds complicated, but how can I pull this off? So, basically after installing Ubuntu 14.04, it might have done some BIOS MOD or something because my PC lost the ability to boot from ...
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30 views

Tweak grub2 loader

I just dual booted with Windows 7 and Ubuntu 14.04. I notice that when Windows goes to Hibernation mode, when I get out of hiberation mode and get to the GRUB loader, and choose Windows 7 it freezes. ...
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71 views

Windows 8 booting issue from GRUB

I dual booted Windows 8 and Kali Linux(1.0.7) with Kali installed in legacy mode(because my laptop doesn't allow me to boot from any external device in UEFI mode,it says system does not have DVD/CD or ...
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61 views

Debian install failed, grub

I have been trying to install debian wheezy on my desktop with no sucess. During the install when I get to the grub screen it says if I see my operating systems listed to go ahead with grub. During ...