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

learn more… | top users | synonyms

5
votes
0answers
93 views

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 ...
4
votes
0answers
1k 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 ...
4
votes
0answers
127 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 ...
4
votes
0answers
160 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 ...
4
votes
0answers
441 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 ...
3
votes
0answers
70 views

Grub rescue after corrupted hard-drive (“read-only filesystem”)

I run xubuntu 12.04 alongside a NTFS storage partition and a windows 8 partition. I moved my MySQL data directory off the xubuntu (ext4) partition, onto the NTFS partition, and did an import of a ...
3
votes
0answers
19 views

Booting a GRUB2 image directly in QEMU

I have an image file that the Linux file utility says is an ELF image. If I create either an GRUB2 based ISO file or a qcow2 file QEMU is able to boot it successfully. For example qemu-system-i386 ...
2
votes
0answers
122 views

How to dual boot PC-BSD 10.3 (with zfs file system) and debian 7 (crunchbang) using grub2 boot loader in MBR?

I want to dual boot PC-BSD 10.3 with ZFS as the root file system (the only file system) with Debian 7 (crunchbang linux) with ext4 using grub2 boot loader installed in MBR and grub is managed by the ...
2
votes
0answers
24 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 ...
2
votes
0answers
62 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?
2
votes
0answers
175 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. ...
2
votes
0answers
394 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: ...
2
votes
0answers
119 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 ...
2
votes
0answers
239 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. ...
2
votes
0answers
157 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 ...
2
votes
0answers
126 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 ...
2
votes
0answers
532 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 ...
2
votes
0answers
111 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 ...
2
votes
0answers
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 ...
2
votes
0answers
207 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
237 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
321 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
39 views

LMDE - Blank terminal on boot, no input

I was having an issue where my machine was continuously accessing the hard drive but was stuck and totally unusable for an hour. After forcing it down, it starts up and shows the GRUB menu and the LM ...
1
vote
0answers
27 views

Degraded RAID1 array boots with one drive, not with the other

UPDATE It seems initramfs fails to properly mount the array. If I stop and reassemble them, they works: mdadm --stop /dev/md124 mdadm --assemble --run /dev/md124 /dev/sda6 Maybe initrd tries to ...
1
vote
0answers
24 views

Grub 2 - attempting to boot into “Windows bootloader” boots me back into grub

I've managed to dig myself into a bit of a hole. When I boot, I am given the option to boot into Ubuntu or into the Windows bootloader. When I attempt using the windows bootloader, the result is that ...
1
vote
0answers
20 views

Use rEFInd live usb values to fix Grub2

I have a machine that runs Ubuntu14.04 as it's main OS, but also has Windows8 and Slackware on it. Booting to the Grub2 menu allows for the selection of these OSes and several other options, but only ...
1
vote
0answers
12 views

Grub error makes a long load time

I installed trisquel which is based on Ubuntu in VMWare onto a USB. In VMWare I removed the harddrive so only the USB drive would show. I'm booting the usb stick inside of VMWare via boot manager. ...
1
vote
0answers
53 views

Grub: no such device

I had to reinstall Mint recently and after reinstalling, I get an error in GRUB: error: no such device: 94cf97c7-aa0f-48d7-8c9f-42fd51dc1a1a Entering rescue mode... grub rescue> I have tried a ...
1
vote
0answers
36 views

How to make 'install USB' with custom Linux?

I built my own custom kernel for new hardware.(Not a normal PC, embedded x86 device), and using syslinux I could create a booting USB for that kernel. After a few trial and errors, I was able to ...
1
vote
0answers
15 views

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 ...
1
vote
0answers
171 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 -- ...
1
vote
0answers
767 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 ...
1
vote
0answers
86 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 ...
1
vote
0answers
78 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
vote
0answers
146 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 ...
1
vote
0answers
38 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 ...
1
vote
0answers
323 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 ...
1
vote
0answers
35 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 ...
1
vote
0answers
266 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 ...
1
vote
0answers
630 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: ...
1
vote
0answers
235 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 ...
1
vote
0answers
391 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 ...
1
vote
0answers
332 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
381 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
208 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
145 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
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 ...
0
votes
0answers
16 views

Triple-boot on Windows 7 machine with manual partition table, how to proceed?

I have a Dell Latitude E5440 laptop with Windows 7 64-bit Professional pre-installed on it. My aim is to have Fedora 20 64-bit with a stable kernel and Ubuntu 14.04.1 LTS 64-bit alongside Windows 7. I ...
0
votes
0answers
10 views

BURG themes not working

Sorry if this is a duplicate question. I couldn't seem to find an answer that worked for me. I currently have Elementary OS and windows dual-booting on my laptop (Dell Inspiron N5010) So I have ...
0
votes
0answers
33 views

Unable to see partition after installing Mint

I installed Linux Mint 17 on a partition on my (Lenovo y40) laptop which had Windows 8.1 preinstalled (I had to enable Legacy boot in order to get past the blank screen using the bootable USB). Now, I ...