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

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I may or may not have broken grub during a sudo apt-get upgrade [on hold]

I'm very new to ubuntu and server administration as a whole, so please forgive my ignorance. I just did sudo apt-get upgrade and a gui came up saying something like this A new version of ...
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4answers
118 views

Is LILO still usable on modern PC?

How does LILO work on modern hardware with today's kernels? Do I have to fulfill any preconditions, or is it just about writing the configuration file and running lilo command like in the old days? ...
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2answers
35 views

installing grub and a working kernel over an old and broken debian system

I have an old debian system, which I always have been able to upgrade over the years. I had installed an old kernel, compiled by me from sources. After my last dist-upgrade (using testing ...
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39 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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0answers
91 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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1answer
29 views

Upgraded to mint 17, keyboard stuck in non-english (wrong layout) language - can't login [duplicate]

I had Linux Mint 16 with English and Russian keyboard support. Upgraded to Mint 17, now I cannot get past the ecryptfs passphrase. If I enter Grub loader I can pick "Ubuntu with Linux ...
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51 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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0answers
44 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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1answer
24 views

No such device: grub rescue

I have got a machine with Windows and Linux Mint. Now that I needed to upgrade my Mint because I needed the new fixes, I cannot boot. I get the error message no such device, grub rescue. My guess is ...
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0answers
124 views

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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0answers
39 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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36 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 ...
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Dual boot intermittant problem using Ubuntu 14.04 and Windows 7 [migrated]

I have a problem with the grub2 loader sometimes. More often, when I choose Windows 7 in the grub2 loader, it hangs on the purple screen. I have looked up and down the internet for an answer and ...
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1answer
43 views

Send an email right before the password prompt of ecryptfs during bootup

I'm setting up a home server which has full disk encryption enabled. In order to recover from a power failure the machine automatically reboots. I'm also able to unlock the disk remotely using ssh ...
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2answers
33 views

Remove other linux installation on same hard disk

I have the following setup: [phil@thinkpad ~]$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 238,5G 0 disk ├─sda1 8:1 0 52,3G 0 part ├─sda2 8:2 0 111,8G 0 part ...
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25 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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22 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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1answer
58 views

Dual boot Linux / Windows. How to deny completely Windows?

I have a dual boot setup (Debian / Ubuntu and Windows) on my laptop. I would like GRUB to start Linux automatically, without a prompt for Windows. And eventually start Windows only with (for example) ...
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45 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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1answer
51 views

How hide the grub 2 start up screen in debian during bootup? [duplicate]

How can I make it so that the grub start up screen will not show up in debian when I boot?
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1answer
44 views

efivars data missing from procfs and sysfs

I'm trying to install ubuntu on a Tab-X 10.1 Intel WinPad. The UEFI loader only allows booting from 32 bit efi images. Ubuntu only supports UEFI in 64 bit versions. I'm trying to get the 64 bit ...
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1answer
32 views

LUKS: Enter passphrase and nothing happens

I've installed gentoo on my new laptop. I've got an LUKS-encrypted root partition (/dev/sda3). Cryptsetup (USE="gcrypt") is installed. Essential cryptographic API is compiled in kernel. Kernel and ...
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2answers
49 views

How does grub2 load the kernel from an LVM volume?

Grub2 is able to load the kernel even if /boot is placed on an LVM volume. To use this feature one needs to add insmod lvm (the module can be on the grub bios partition that is not on an LVM volume) ...
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39 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 ...
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398 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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1answer
381 views

Zorin/Windows 7 Dual Boot on New Hard Drive, no GRUB!

So my computer had Windows 8 originally, and my hard drive died. I was able to get a dying hard drive from work to use temporarily, and decided to go with Windows 7 this time, as HP had drivers for ...
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1answer
107 views

Can't install GRUB, no matter what

My PC has Windows 7 and Mint 16 (Cinnamon). After installing Mint, GRUB stopped working, and I got a GRUB Rescue console instead of the GRUB menu. Being in a hurry, I launched the Windows installation ...
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0answers
17 views

Boot-Repair ineffective

I was attempting to install a linux partition(Kali to be specific) alongside Windows8(Not 8.1) and I seem to have run into some trouble. My system information is located at : paste.ubuntu.com/7512281 ...
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64 views

Black screen after installing Arch Linux, conventional fixes don't work

I recently installed Arch Linux on my HP Pavilion dv6 (Radeon HD 6770m graphics card) to dual boot with Windows 7 by following the beginner's guide found on the Arch wiki. After grub loads, I choose ...
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1answer
193 views

Ubuntu - Booting black screen with purple border

After the installation of Ubuntu, when I try to boot a black screen with a purple box appears without let me see the GRUB menu. Then the screen becomes black and Ubuntu starts booting. Ubuntu is the ...
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157 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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1answer
69 views

Where is hibernation resume getting the device node from?

A while back, I set up hibernation on my Linux system. It's been working really well, up until tonight when I installed another hard disk, which shuffled the device node names around. So now on boot I ...
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1answer
79 views

os-prober giving wrong UUID for Arch Linux

Up until yesterday, everything was working find and os-prober was successfully generating menu entries for the Arch Linux install. However today when I tried to boot into Arch, I got an error that the ...
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1answer
150 views

Grub modify menu screen [ advanced ]

I've modified my Grub menu. Here is how it looks like right now: What I would like is to remove the top information about Grub version or even better to remove all "GNU GRUB version ...
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1answer
90 views

Why do I need GRUB_DISABLE_LINUX_UUID=true

I just switched from lilo to grub2 and my first attempt failed with kernel panic - not syncing vfs unable to mount root fs on unknown block(0 0). It turned out that the problem was that the root ...
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1answer
117 views

How do I restore grub on a uefi boot after a windows update wiped it?

Until yesterday I had a dual boot debian / win8 with grub that worked like a charm. Yesterday a stupid windows update totally wiped grub and I'm now unable to boot in linux. I installed linux a year ...
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2answers
60 views

Deleted a Windows.old folder and now when I start my computer, GRUB doesn't see windows anymore

I had windows on my laptop and installed Debian GNU/Linux a few weeks ago on it. I'm basically dual booting. The thing is, in my windows I had a windows.old file I never bothered to delete until a ...
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1answer
126 views

Installing GRUB2 in a GPT disk on a partition

I'm using a MacBook Air 2013 and I'm trying to install Gentoo. I already did it several times but I always used other "workarounds" to this problem such as using directly a EFI-stub kernel image. ...
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52 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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0answers
337 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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1answer
59 views

Grub-EFI: disable signature check?

Following on from my previous question, it seems that Grub-EFI refuses to boot any kernel which isn't signed. Which is a problem, because the kernel I want to boot isn't signed. So what I'm wondering ...
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1answer
58 views

Unable to boot to windows

Context: Recently I've bought an SSD. Before that I had 2 HDDs; one being a 500GB drive with a W7 installation, and another 320GB Drive containing two partitions, one of which for storage (NTFS) and ...
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1answer
51 views

How can I chainload GRUB on another drive?

I have two pen drives. On one I have a full install of Arch GNU/Linux. This install is compatible with both EFI systems and BIOS systems; it has a GPT drive with a BIOS Compatibility Region and an EFI ...
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1answer
663 views

Elementary OS only booting from USB, cannot boot to partitions on SSD (Windows and eOS)

I previously had Linux Mint Petra and Windows 7 installed on my Asus UX31a. This worked fine until I ran into some Wi-fi issues after messing around with NetworkManager. I decided since I didn't have ...
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4answers
776 views

Grub error 15 (file not found)

I'm trying to fix a problem with a new installation. I'm running this existing distro (Ubuntu) from /dev/sdb with a new OS, Gentoo, installed on /dev/sda. I'm glad I took the trouble of setting these ...
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0answers
78 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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1answer
83 views

Grub v2: kernel “has invalid signature”

Can somebody explain what this exact error message means? grub> linuxefi /boot/i386/loader/linux error: /boot/i386/loader/linux has invalid signature. What is Grub trying to tell me? That the ...
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1answer
44 views

Grub2 on wiped MBR

I'm trying to test grub2 on puppet in a VM and one of the tests is to make sure it'll still work on a wiped MBR. So I wipe the MBR with dd if=/dev/zero of=/dev/vda bs=512 count=1 Then I try to ...
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2answers
101 views

Boot 32-bit OS from 64-bit GRUB2

I can't believe nobody has asked this already, but... If I've installed a 64-bit version of GRUB v2, is it supposed to be possible to load a 32-bit Linux kernel? Or will it only load a 64-bit one? ...
4
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1answer
162 views

/etc/default/grub syntax error

How can I add kernel parameters with whitespaces to GRUB_CMDLINE_LINUX_DEFAULT? For example when I do: GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_os_name=\"Microsoft Windows XP\"" followed by ...