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

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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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15 views

Internet connection in Grub2 [on hold]

Would it at all be possible to create an internet connection in Grub2? During boot that is? I realize the imminent security threat in doing so. Not asking if this is a good idea. I am more asking of ...
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4 views

Arch and Windows 7 dual boot with encryption, replacing existing Linux install

I have a computer with 3 hard drives: 120 GB SSD, which Arch identifies as sdb 1 TB spinny drive, which Arch identifies as sdc 160 GB spinny drive, which Arch identifies as sda Currently, Windows ...
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12 views

What can cause GRUB2 to suddenly not be recognized by EFI?

I have two hard drives in my PC. The first one contains an ext4 partition with Debian, a swap partition and the EFI partition for Debian. The second hard drive contains Win8 and it's EFI partition. ...
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1answer
35 views

Wheezy to Jessie update broke root software RAID, can it be fixed?

Last night I attempted to update my PC from Debian 7, Wheezy (now old stable), to Debian 8, Jessie (now stable). On rebooting, the system broke at 0.267166 minutes into the launch telling me it can't ...
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7answers
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How to correctly set up the right GRUB 2 default menu entry?

I'm running GRUB 2.00 on a Gentoo Linux system. I compile my own kernels manually, and then I install them in /boot with make install. I have the following kernels in /boot at the moment: # ls -1 ...
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17 views

exchange from Manjaro to Ubuntu [on hold]

i have a big problem now i had deleted previous windows and Ubuntu and formatted my hard of the laptop now i already installed Manjaro but want to change it to ubuntu i tried to make boot usb by the ...
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1answer
2k views

Elementary OS installation failure

I've been trying for a few hours now and I still cannot find out why I cannot install Elementary OS. Every time I try to install it I get: the 'grub-efi' package failed to install into /target/ ...
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1answer
607 views

Debian install fails on USB-HDD

After my internal HDD broke in my laptop, I've tried to install Debian 6.0.6 on my external HDD. Please note that everything runs great when installing Ubuntu, but for some reason while the Grub stage ...
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How can I boot the PC-BSD live DVD-ISO IMAGE directly via GRUB2?

Via the loopback command, GRUB2 allows to directly boot an ISO file. Now, I've configured the according menuentry to boot the PC-BSD Live DVD ISO, but when I try to boot it, the FreeBSD bootstrap ...
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2answers
1k 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 ...
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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: ...
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1answer
2k views

Windows 8.1 not showing up in GRUB bootloader after installing Linux Mint 17.1 on partition

my system drives are based on these hardware parts 1: SSD 250 GB 2: HDD 1TB 3: External HDD 2TB I use my SSD for Windows 8.1 and all other related stuff, like, installing software etc. The HDD is ...
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0answers
33 views

Cannot install grub-pc

When trying to install grub-pc I get the following messages: Setting up grub-pc (2.02~beta2-22) ... Generating core.img grub-probe: error: failed to get canonical path of `unionfs'. Installing for ...
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1answer
18 views

grub2 command line loaded instead ubuntu os

I have a strange problem. After installing ubuntu on usb stick (at already installed ubuntu computer), after removing usb stick with installed ubuntu from computer I get the trouble: after booting to ...
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3answers
10k views

How to install Kali linux on to a specific (existing) partition on a USB stick

I'm endeavoring to put Kali linux onto a USB stick - I know it's already written up, but I'd like to use only a portion of the total space (the aforementioned link will use the entire drive space). ...
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1answer
17 views

loading grub boot loader

I am trying to install a dual boot on my system. I have windows8.1 installed and I am installing opensuse13.2. I restart my system, go to the boot menu and start my installation from my CD drive. ...
0
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1answer
27 views

Where to install GRUB?

I am running Ubuntu 14.04 on a remote server. It's the only OS installed. I need to be super-cautious before rebooting the machine since KVM access to the server is quite tricky. During a GRUB ...
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1answer
564 views

Builiding a UEFI bootable USB

I'm having a really hard time getting Mint13 installed on my new laptop, no optical UEFI support and having odd corruption of grub.cfg when I do try and use unetbootin. Is there a method to build a ...
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3answers
3k views

Dual booting Ubuntu and Windows 8. w8 boots through grub shell, but not from menu

I have a laptop, with installations of Ubuntu 12.10, and Windows 8. Windows 8 was first installed on the system, and Ubuntu was installed afterwards. During the Ubuntu installation, the installer ...
2
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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 ...
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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 ...
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1answer
19 views

Different linux OS on particular hdd

Have Adaptec RAID controller. There're 4 hdds on it. Existed Centos 5.10 on: /dev/sda1 - /boot ext3 /dev/sda2 - LVM I decided to migrate to Centos 7 and installed It on: /dev/sdd1 - /boot XFS ...
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Setting the EFI Framebuffer's Resolution during boot

I've got a MSI WD-60 laptop running Gentoo. It has one of those 3840x2160 screens so I've had to setup Gnome/Firefox/IntellJ to double their DPI for anything to be readable. It all works fine except ...
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1answer
534 views

GRUB error Fedora 15 when Dual Booting on MacBook Pro

I am having trouble getting Fedora 15 running on my MacBook Pro. I had Fedora 15 installed before on this MBP before, so I know it works. I basically followed the good old instructions of Create a ...
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2answers
213 views

Can't install grub if mbr contains iso9660

I installed Debian/Gnu-Linux on a disk which previously contained an ISO9660 filesystem, and grub can't be installed : root@debian:~# grub-install /dev/sdb /usr/sbin/grub-setup: error: hd1 appears to ...
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1answer
21 views

Problems with secondary hdd in grub

I had some problems installing Linux mint and or any other Linux distribution in combination with Windows. When I booted my machine it would hang before the grub bootloader showed up. Now i have some ...
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1answer
735 views

Can't get grub to boot windows 7 partition. “error: invalid EFI file path”

I have an "HP pavilion 7008tx dv7" laptop. It came bundled with Windows 7 and has two 1TB HHD and an 32G SSD. Here is the output form "sudo parted -l": Model: ATA TOSHIBA MQ01ABD1 (scsi) Disk ...
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3answers
14k 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 ...
3
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1answer
596 views

Grub2 keyboard layout when decrypting partition

According to the OpenSUSE 12.3 documentation the only keyboard layout which can be used during a Grub2 boot is the "US keyboard layout". Is there really no way to change the keyboard layout used when ...
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36 views

Debian setup launching GRUB bash

I have a little problem with setting up Debian. When I boot from the installation USB in UEFI mode, I get the GRUB command line. If I type in "boot", I get Please load the kernel first. I had Ubuntu ...
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4answers
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Installed Centos 7 after Windows and can't boot into CentOS

I wanted to setup a dual boot for Windows 7 and CentOS 7 I had a Windows 7 machine with 500GB disk. I shrank the Windows partition to provide space for CentOS 7 (roughly 230GB). I created a USB ...
3
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1answer
1k views

GRUB no longer can boot the machine (different error messages)

When I boot from GRUB, I get various error messages from GRUB, apparently at random : "invalid arch independent ELF magic" or "incompatible license" or "file not found". I can boot from the rescue DVD ...
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107 views

Grub - boot debian iso file from ntfs partition and install it

I have problem installing debian directly from hard drive. Say, i have a logical partition /dev/sda5 and there is debian DVD iso file located in (hd0,5)/iso/debian-8.0.0-amd64-DVD-1.iso with initrd ...
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1answer
882 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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1answer
649 views

Incorrect step with grub while installing onto a USB stick?

I tried installing debian on a USB stick. I believed I made a mistake with the grub boot up part. I want to leave my harddrives alone and with my bios choose to boot up from a stick. Do I need grub if ...
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1answer
716 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 ...
0
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1answer
475 views

Grub2 lost in new Linux distro install

So, I really need some help. Recently I was using a dual boot machine on the same hard drive. I had Windows 8.1 and Ubuntu GNOME 14.04. When I installed Ubuntu on top of my Windows install, I didn't ...
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1answer
57 views

How to restore RAID5 Array

I have a RAID5 array consisting of 3 identical 2TB drives. Suddenly GRUB wouldn't boot anymore and gave the error out of disk. Eventually booted a livecd and ran some mdadm commands: mdadm --examine ...
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26 views

Why does grub2-install escape chroot jail?

I have an odd experience. Scenario: I am writing a Linux installer (based on OpenSUSE 12.2) that runs in an initrd (actually initramfs), and I'm trying to update the bootloader. A copy of the ...
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1answer
45 views

In Elemenary os, grub wont load anything but itself

I am running Elementary OS Freya as the only currently installed OS on my laptop, I have tried to install various operating system via USB and UNetbootin, however my grub for some reason just will not ...
0
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1answer
81 views

What's the difference between `grubx64.efi`and `gcdx64.efi`

CentOS7 package grub2-efi provides two files that are very similar. -rwxr-xr-x 1 root root 1070976 Mar 26 09:27 ./boot/efi/EFI/centos/gcdx64.efi -rwxr-xr-x 1 root root 1070976 Mar 26 09:27 ...
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2answers
4k 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 ...
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2answers
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slitaz 4.0 grub2 loopback concatenate multiple initrd images

I'm trying to get slitaz 4.0 ISO to boot using a grub2 loopback on a multiboot USB; insmod font if loadfont /boot/grub/unicode.pf2 ; then insmod gfxterm # insmod efi_gop # insmod efi_uga ...
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1answer
190 views

Grub returns File not found when booting on a new disk with Debian Jessie

I installed Debian Jessie on a new hard disk, and wanted to boot from this new disk. At the end of Debian setup, I choosed setup Grub also. But when booting, Grub falls into rescue mode with a File ...
3
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1answer
480 views

Can't boot properly after moving all files off then back on my VM drive

I have created an Ubuntu 12.04 32-bit VM in VirtualBox with a .vdi disk. I then mount this disk with qemu-nbd and move all the files off it; then back onto it. When I boot the VM again I get varying ...
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2answers
48 views

Grub-install: what's the root directory

Can anyone provide a clear explanation what the root directory is for grub-install and when to use it?
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1answer
1k views

Login screen not appearing after upgrade from Debian Wheezy to Jessie

I upgraded from Debian Wheezy to Debian Jessie by changing sources from /etc/apt/source.list and running: apt-get update apt-get --download-only dist-upgrade apt-get dist-upgrade This operation ...
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2answers
1k views

How to dual boot Xubuntu with Windows 7 & 8 from separate drives

I had Windows 7 and 8 on a hard drive, then I decided to try Xubuntu, and installed it on a separate hard drive. Then I tried using EasyBCD, but Windows doesn't recognize Linux partitions. ...
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grub-mkconfig generates duplicate entries for an Ubuntu/Gentoo dual boot setup

I'm currently running Ubuntu (Xubuntu, specifically) as the primary OS on one of my systems. I've been building up a Gentoo installation on a new logical volume on the same system and I'm at the point ...