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

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Free BSD is not recognized with Grub2 [duplicate]

I'm new to double booting, and the answer might be vary simple Today I set up two operating systems on a 160GB Hard Drive. The first one I installed was Fedora Workstation and set it up so it only ...
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450 views

GRUB and LILO both fail to install to NVMe hard disk when installing Debian

I'm trying to install 64-bit Debian stable on a Lenovo Thinkpad. When I get to the installation step that installs the bootloader, I get this message: An installation step failed. You can try ...
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1answer
33 views

Windows and Debian dual boot menu order?

I have debian(elementary os) and windows installed on my lap. In the boot menu, every time I'm getting debian os first and it will automatically load after 5 seconds. How can I change the order to ...
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2answers
180 views

Qubes does not boot on Fedora/Qubes dual-boot machine

My goal is to have a dual-boot of Qubes OS 3.1 and Fedora 23 Workstation (respin). This guy got it working on Ubuntu, but he installed Ubuntu first, while I installed Qubes first. The last resort ...
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LXDE (Debian) doesn't start correctly after kernel mode setting (grub) Help!

Our brand new Debian server caused some java problems that made me test the boot option GRUB_CMDLINE_LINUX="nomodeset" After that, the server boots, I can also graphically login - and then nothing ...
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1answer
113 views

NixOS installation on multi-boot system with GRUB (from Arch installation)

I have one physical disk (/dev/sda) which is divided in /dev/sda1 (which is /boot bootable GRUB2 partition used and setup with Arch) and /dev/sda2 which is my cryptroot that, when unlocked, is a ...
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19 views

grub rescue hangs on ls command

I accidentally deleted my Ubuntu partition and reinstalled Ubuntu from a USB drive. But every time I reboot the computer, I go immediately to grub rescue> Having read other threads on this forum, I ...
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4answers
207 views

I cannot get a CentOS 7 iso (on a hard drive) to boot from GRUB2

I cannot get a CentOS 7 ISO (on a hard drive) to boot from GRUB2 that is installed on the hard drive. I have tried the following steps based on this article My requirement is to boot a CentOS ISO ...
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GRUB confuses kernels/initramfs of Ubuntu and Arch Linux installation

I have a machine that used to dual-boot Ubuntu (16.04 currently) and Windows 7, with Ubuntu's GRUB as boot loader. Now I just added Arch Linux as third OS, following the official installation ...
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108 views

Fedora 23 no longer bootable (GRUB: Minimal BASH-like line editing is supported.)

I have a dual boot on my laptop with Windows 10 and Fedora 23. Both were installed in EFI mode. It's been working fine, but I had to set the boot order to prioritize BOOTX64.EFI for it to start ...
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917 views

boot problem in linux

I have unfortunately format drive /dev/sda2. So all the /root,/home,swap LVM no longer exists. Because of this my server is unable to work properly. it shows only dracut#>Dracut Error: [ OK ...
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Ubuntu 15.10 Live CD login appears sporadically after I disconnect and reconnect the Internet carrier cable for the Lenovo Think Station

I would like to find out why the Ubuntu Linux 15.10 Live CD login appears sporadically after I disconnect and reconnect the COMCAST Internet carrier cable at the back of the Lenovo Think Station ...
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2answers
112 views

Centos 7 and Windows 10 Dual Boot Grub Not Saving Last Choice

I have a dual boot system with CentOS 7 and Win10. My install was totally vanilla (CentOS then Win10) and went fine. Everything is great except that grub does not appear to save my "last" choice ...
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54 views

Allowing GRUB to access network in BIOS mode

I want grub to fetch some configuration via tftp/http. Using efi I can do insmod efinet and net_ls_cards will list my network cards which I can configure and use. Using PXE in BIOS/legacy mode ...
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1answer
63 views

Is it possible to use Grub to run an EFI binary?

On an efi system it it possible to run arbitrary efi binaries. Especially I can use the efi shell (one efi binary) to run grub (another efi binary). Is it also possible to use grub to run for ...
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45 views

GNU Grub version 2.02 Failure Grub Rescue (Kali Linux)

I Had a Dual Booted PC Which had a Kali Linux (Debian Based Linux) and Windows 8.1 since 4 Months it was Running Fine as a Normal PC, But Unfortunately, today i ran into a Error while opening the PC ...
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1answer
39 views

I am stuck with the next step to setup a dual boot for Windows 7 and Arch Linux

I am trying to configure my laptop so as to be able to dual boot Windows 7 (64Bit) and Arch Linux. The laptop on which I want to do that came pre installed with Windows 7. The installation consisted ...
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1answer
27 views

Install Mint and Ubuntu on separate drives: how many grub installers needed?

I would like to setup a dual boot system using Mint and Ubuntu, with each on a drive of its own. Would I install each as a distinct OS with its own grub installer, or will they have to be on just one ...
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2answers
41 views

Bootloader Grub2 - delete partition where ubuntu resides

I have a dualboot with the following two Os's: Windows10 Kubuntu And the bootloader Grub2 What happends with the bootloader if I delete/formats the partition where Kubuntu is installed? Does it ...
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1answer
144 views

How does a bootloader actually hand off to a kernel?

Assume I have a bootloader with a kernel and initrd line. For all intents and purposes, I now have 2 or 3 stages of "kernel" going on: firmware grub (or other bootloader) actual linux kernel The ...
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2answers
32 views

Load old Ubuntu Linux after fresh Linux Mint install

I had Ubuntu and time ago I installed Linux Mint. During installation there was no option for alongside install, so I chose the manual option for the install to empty the partition (mount point /). ...
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grub --version command shows grub (GNU GRUB 0.97) ,but if I go to the /boot/grub folder I find grub.cfg which is the configuration file of grub-2

In su mode if i give the command Holmes ~ # grub --version grub (GNU GRUB 0.97) But when I go to the /boot/grub folder I find Holmes ~ # cd /boot/grub Holmes grub # ls device.map fonts ...
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133 views

Can I install grub2 on a flash drive to boot both BIOS and UEFI

Well, obviously I can, because all of the Linux distros are delivered as hybrid ISOs that can boot both BIOS and UEFI. The question is how? I had thought I could run grub-install twice: grub-install ...
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24 views

Does `reboot` go through GRUB?

I had a pretty broken GRUB set up where booting required the enter key to be pressed. However today I ran sudo reboot and it powered off and came back up without a hitch. I doubt I fixed my GRUB issue ...
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Grub shows Forcepae not found, OS hangs while booting

I just installed LXLE on a computer. In a previous post, I was told how to get Lubuntu to work using Forcepae and acpi_backlight=vendor. Usually those flags are copied when I install, but LXLE didn't ...
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142 views

How to use openSSH for disc encryption at boot time (OpenSSH vs. Dropbear)

Basic setup: - Operating System: CentOS 7 (64 bit) - Grub 2 - separate boot partition with ext4 - luks encryption (aes-xts-plain64:sha512) on two disc partitions which both need to be unlocked by ...
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1answer
358 views

GRUB error- no suitable video mode found

I recently made an LFS and made some changes in GRUB. I added the update-grub command. I'm able to set background color and highlight color. But when I add a custom theme- update-grub gives- ...
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2answers
289 views

How do I get GRUB2 to correctly start under UEFI?

I have installed GRUB on my Arch Linux installation on /dev/sdb1. /dev/sdb is my second internal hard drive on which I installed Arch Linux, /dev/sda is my first internal hard drive and has Windows 10 ...
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1answer
97 views

Grub2 and windows10 woes

The relevant windows drive install is: Disk /dev/sde: 465.8 GiB, 500107862016 bytes, 976773168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O ...
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35 views

Boot from GhostBSD iso partition with grub

I have downloaded an ISO image of GhostBSD, now it can be burned on to a usb and can be directly booted from it. However I would like to burn it on to a partition of my hard disk and boot from it ...
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Dual boot, I've not created the grub file on the 2nd OS

I have Ubuntu 14 and Windows 10 installed on the different partitions and working well. I've created one more partition and installed Arch into it. Actually, I made only the 1st part of installation ...
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1answer
61 views

Grub does not boot Linux automatically, but editing the command line works

I have 2 hard-discs on my computer. On the first one I installed Windows 7 with Linux (Ubuntu)- with different partitions. At the beginning at booting I had the option to choose Linux/Windows. But ...
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49 views

USB Stick with bootable iso build with PinguyBuilder does not boot

I have build a bootable iso image with PinguyBuilder. The image does boot fine from cd. Now I have created a bootable pen-drive from that image with rufus. The pen-drive shows the grub/isolinux boot ...
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1answer
294 views

How do I configure grub to boot another linux distribution off an lvm partition?

(I no longer have this setup so I cannot test new answers, sorry. I had to switch computers and am now only using arch; I am leaving the question as it is though since I'd love to know a solution if ...
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67 views

GRUB calls Windows 10 - Windows Recovery Environment instead of Windows 10?

Hi I just installed OpenSuse on my computer and I now dual booting with windows 10 and in the grub menu its coming up as Windows Recovery Environment instead of Windows 10. Can someone show me how to ...
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54 views

Migrating from dual boot to triple boot

In my current setup, I have Crucial MX200 SSD - Kali linux installed with grub bootloader, set as primary boot drive Corsair Neutron XT 960GB - Windows 7 Corsair Neutron XT 480GB - Shared data drive ...
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52 views

Elementary OS Grub install failed

I'm trying to install Elementary OS on my PC via a bootable DVD, and whenever I try running the installer, I keep getting the message ACPI PCC Probe failed. Assuming that this is a graphics issue, I ...
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117 views

I have: “error: no such device: 6ec8e… Entering rescue mode… grub rescue>” on Mac OsX boot

I decided to install Debian on a external HDD to try it with my Mac Book Pro and then see if I will install it on a partition of MBP's SSD. I installed it and plugged the device on the machine, but ...
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469 views

Grub2 can't detect Windows 10, Dual boot on two harddrive, UEFI/GPT system

I have two ssd which there is Windows 10 on the /dev/sda1 and OpenSuse on /dev/sda3 (/dev/sda2 is for a storage hdd). I have been installed Ubuntu on my /dev/sda3 couple months ago. But because of ...
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2answers
108 views

Can't solve grub rescue problem?

I installed kali 1.0.9a-amd64 a month ago on dual boot with windows 7,I created 4 partitions from it, one swap one /home one /boot and one / yesterday I wanted to free another partition from windows ...
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1answer
111 views

GRUB2 CentOS7 KDE boot logon screen

First of all so you understand my knowledge on the matter, I'm a 10-year Mac user and I only run Linux vm's to serve enterprise services. I have never really used Linux X systems, beside gnome once or ...
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1answer
21 views

RAID5-4 devices with 2 failed devices: hope to retrieve data?

I built a RAID5 array with 4 2Tb devices a few month ago. - I used LVM2 to build partitions. - I also used GRUB2. - Finally I installed Debian. For an unknown reason the RAID failed. The BIOS "see" ...
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225 views

How can I manually define the grub prefix variable?

My grub broke, I don't know what caused it, it happened after I booted off a usb live image of a linux distro I was going to try to install, but I was only in the anaconda setup menu, the installation ...
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36 views

Grub, booting to windows issue

I'm having a bit of an issue with my 'dual boot' PC in that it wont boot windows(10). I've had a look around several forums but can't seem to find anyone who has managed to screw themselves just quite ...
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1answer
81 views

Fedora UEFI grub theme not being properly set

What I do to apply the grub theme is: Add the following to /etc/default/grub: GRUB_THEME="/boot/grub2/themes/system/theme.txt" Then run the following command to regenerate config file: grub2-...
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2answers
87 views

System will not boot because boot partition is missing?

I deleted my boot partition several day ago and have not been able to recover it. To fix it, I installed the same image with the same parameters on a flash drive and then copied that boot partition on ...
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1answer
85 views

Deleted grub partition from windows. Cannot enter BIOS, only shows grub terminal

I am a linux newbie. I installed elementary os freya x64 in dual boot with Windows 10 pro x64, while installing I create four partitions: /, swap, /home and biosgrub. after installation I tried ...
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1answer
484 views

Guide for Gentoo setup with full disk encryption using LUKS+LVM

I'm looking for a way to make the following setup happen in Gentoo: /dev/sda1 -> /boot (ext2) /dev/sda2 -> Luks encrypted | +-lvm-vg1 | +- /dev/mapper/root-fs -> / (ext4) +- /dev/...
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65 views

How is the Grub command “save_env” supposed to work?

I'm trying to modify grubenv from within Grub. According to the documentation this should work by using the command save_env. Unfortunately I can't get it to work. I would like to change the value ...
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How can I ask a defined server what to boot

What options are available to accomplish the following boot scenario? On boot (before boot) contact a defined webserver and ask what to boot (normal answer: boot from local hard drive; alternative ...