Questions tagged [grub2]

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

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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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Changing the Visuals of GRUB in Manjaro

I am looking to make grub look nice. I know GRUB-Customizer exists but I have been told its incompatible with Arch. It is not in the pacman repository. So how would I make it a bit nicer.Mostly by ...
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EFI: Grub menu doesn't display

I ave a computer with CentOS 7 installed that boots up using EFI and grub2 (I'm not exactly sure what the difference between UEFI and EFI is). If it makes a difference the partition table is GPT. ...
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How are these methods of disabling nouveau different?

Seems that during the past few years the grub2 file on my personal computer has accumulated multiple configurations related to nouveau. I was even surprised to see duplicate ones. Looking back, I don'...
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Using preseeds to only display some pages during installation

I'm trying to configure the preseeds for my Ubuntu install and am getting confused about how exactly to do this. Here's what I'd like to do for each page: Install Language : Don't show, just use ...
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What's the purpose to set resume=uuid=xxxxx in grub boot parameter?

I see some machines set resume=uuid=xxxxx in grub boot parameter. I think when setting boot=uuid=xxx means to specify the boot disk. How about set resume=uuid=xxx ?
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Win10 iso can't be booted by grub2

I have read https://superuser.com/questions/1355604/boot-win10-from-an-iso-image-on-a-certain-partition-using-grub2, then do as NorbiPeti instruction. It can get me to see the Windows installer, but ...
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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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Can't get grub2 menu to display

I have a laptop which I intend to be dual-boot. It previously booted into Windows (7), and after Linux install now boots directly into Linux (openSUSE). I've edited /etc/grub.d/40_custom to add the ...
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GRUB not showing up after Dual Booting Windows 10 and Manjaro. Directly boots to Manjaro

I just installed Manjaro on my Windows10 UEFI laptop. I was expecting GRUB to show up but it directly boots into Manjaro instead. When I tried sudo update-grub. It shows this: Generating grub ...
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specify install OS menuentry in linux kernel?

Hi i create my custom Linux OS its work fine but it only run in live boot what i want is to install it on my server right now it directly boot from USB i want to make a installer so it install on my ...
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not syncing vfs unable to mount root fs on unknown-block(0 0)

I had a windows10 and Manjaro on my laptop and everything was Ok. last day I've installed Kali Linux in another partition. It has installed correctly and it works fine. But the problem is when I want ...
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How to recover grub after Windows installation

Usually when we install Windows after installing GNU/Linux, we usually lose the Grub. Which is the best way to recover grub when we lost grub or what are the possible different ways.
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grub2-install Error: modinfo.sh Missing - Common solutions attempted

I know this is a pretty common problem, but I've tried a bunch of common answers (enumerated below) to no avail. Basic setup: I'm setting up a Fedora 31 / Ubuntu 18.04 dual-boot, each with a ...
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Updateing an already dual boot pc

I was using a dual boot laptop that used to run windows 10 and ubuntu 14.04 .Ubuntu where quite laggy as I had them for my first years of development (Every programmer owes himself to destroy an os )....
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What goes in grub.cfg to start a Calamares install from a LiveCD?

I'm creating a respin based on Lubuntu 20.04.1 and I'd like the ISO that I create to be either run live or installed. I have the following grub.cfg if loadfont /boot/grub/font.pf2 ; then set ...
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GRUB: escape acpi_osi=“Windows 2015” in GRUB_CMDLINE_LINUX

How do I escape the string: acpi_osi="Windows 2015" To keep the space and quotes in GRUB's GRUB_CMDLINE_LINUX? [Alternate search term: acpi_os_name=]
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Fedora 24 USB Live Install ends with black screen

Just bought a new computer and assembled it today. Then as always I installed windows for all the graphic needs (Photoshop and Co) and now I wanted to install a dual boot with Fedora 24. Made a new ...
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Trying to boot Ubuntu MATE 18.04 OR Ubuntu Mate 20.04

Summary of the problem: I just built a new computer using Western Digital NVMe 500Gb SSD. I installed Ubuntu Mate 18.04.5. I wanted to run Ubuntu Mate 20.04 also so I created a bootable flash-drive ...
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Grub 2 os prober for windows 8

I'm trying to dual boot with fedora 20 and windows 8. I install first windows and then fedora. And grub detects windows automatically. So the default \etc\grub.d\30_os-prober for windows is this: ...
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how to list grub2 menuentry in UEFI

I want to get the grub2 menuentry list of linux (centos 8 / fedora 32) with UEFI boot,to use grub2-set-default. I can get menu list with this command in non uefi enviroment awk -F\' '$1=="...
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linuxefi causes “you need to load kernel first”

I am aware of the multiple questions regarding this matter but this one seems to be different. This is the Grub configuration our PXE boot server provides: net_ls_addr sleep -i 5 set retcode=$? clear ...
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How to recover grub with LUKS encrypted LVM partitions after motherboard replaced?

I had dualboot Windows 10 and Kali Linux x64 (Linux distribution based on Debian 9 x64) on my Lenovo X280 notebook with EFI bios. Windows 10 uses BitLocker with password (not TPM). Linux uses LUKS ...
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1answer
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kernel boot logging causes delay

I see a very strange behaviour on some (not all) of my Linux machines. I am running Arch Linux with kernel 5.8.8-arch1-1 If I start the machine without grub loglevel parameter (or apply any from ...
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Making a respin with grub-mkrescue to make a live USB

I'm creating a Linux respin based on Ubuntu 20.04.1. To create the final .iso I'm running a script (no longer supported) I found called distroshare. The .iso it creates works, but there are a few ...
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Grub is preventing me from booting from usb to install Debian

I had Linux Mint on dualboot, but I was having problems with the audio, so I deleted the partition using disk manager on windows 10, and was going to install Debian, but when I try to boot Debian from ...
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Cannot get Ubuntu Live Boot with Grub2 and secure boot with own key material to work

Okay, whats the story here? I've compiled the open source UEFI implementation for virtualization with KVM, aka. OVMF. To make this project interesting I am compiling it with the secure boot feature ...
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1answer
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GRUB2 problem with secure boot?

I want to boot the Win10 installer with grub chainloading. So I copied the contents of the Win10 iso to an exfat partition (also tried ntfs) on my USB storage device and typed chainloader (hd0,gpt3)/...
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1answer
840 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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System unbootable - grub error: disk lvmid not found

I'm gettind this error at boot: grub error: disk 'lvid/caoMWu-o417-GMgh-6vFj-1qrw-iJMi-ypwm0f/Z2eotR-N0HN-nrol-3hUd-odMB-GzHy-4PrsnL' not found. Entering rescue mode.. I can't even get the ...
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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
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SLES 11 doesn't boot after RAID controller replacement

I need to fix a server (SUSE Linux Enterprise Server) that stopped booting correctly after a piece of hardware, responsible for RAID, got damaged and replaced. The booting process was getting stuck on ...
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4answers
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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 ...
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1answer
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How can I encrypt serial console?

I've my headless linux box configured with a serial console. /etc/default/grub: GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,115200" GRUB_TERMINAL="console serial" ...
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GRUB cannot find encrypted boot partition

Arch Linux Installation (On encrypted LVM) and attempt to encrypt boot partition. It's something that bothers me having a "Full disk encryption" with a non encrypted boot partition. This ...
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2answers
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What are all these other in grub options and which are safe to remove?

I recently uninstalled Ubuntu 16.04 and installed Peppermint 7 instead,I had a few problems with grub not showing but fixed it by running bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi in admin ...
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“ERROR: device UUID=”xxx“ not found” on boot after switchg to linux-lts kernel on Arch Linux

ERROR: device UUID="xxx" not found. Skipping fsck. mount: /new_chroot: can't find UUID="xxx". This issue happened after I tried to switch from linux to linux-lts kernel. I did ...
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Ubuntu 18.04 server installation gets stuck at 66% while running'update-grub'

I am trying to install Ubuntu server but it always get stuck at the last stage while updating grub.I cancelled the process and rebooted my system, it took me to the grub command prompt grub> . I ...
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1answer
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How to make grub-mkconfig work on a usb device?

AFAIK grub-mkconfig and grub-update/update-grub commands only run on the device that they are installed on. I want to run the commands on a usb drive, but I don't know how to install them on the usb ...
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1answer
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Why can't grub find the disk by UUID?

I'm trying to troubleshoot why I can't boot to Windows. The relevant entry in grub.cfg is: ### BEGIN /etc/grub.d/30_os-prober ### menuentry 'Windows Boot Manager (on /dev/sda3)' --class windows --...
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How to convert grub config to use kernel device names instead of UUID

I've got a bunch of identical systems on which I want to clone the same openSUSE 12.3 installation. I've set up clonezilla on PXE server. After appling the disk-image of on another machine, it fails ...
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I have to choose OS two times in GRUB and Windows boot manager

I have windows 10 installed on my laptop. After that, I installed Ubuntu 20.04 in dual boot. I have selected Windows 10 as default OS in GRUB through GRUB Customizer in Ubuntu. But recently I updated ...
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Creating my own Linux that just takes me to a terminal

I am fond of creating my own very Linux Operating System. I see a lot of distributions around and I'm curious if i could create one for my own need. I started surfing to find lot of tutorials ...
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Recover deleted LUKS partition

I have(had) the following setup: Full disk encryption with LUKS and a separately encrypted /home partition. Made the mistake to delete my /root but caught early enough so only changes to the partition ...
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Ubuntu 18.04 won't boot after booting from 20.04 live USB

This is a bit of a strange problem. I've been running Ubuntu MATE 18.04 on my Acer Aspire desktop for a few years now. I was thinking about wiping it out and installing Xubuntu 20.04, so I booted it ...
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1answer
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Problems with dual boot in an old pc (pentium 4) without UEFI

I write all of you because I have expended two weks trying to solve this problem, I have seen a lot of youtube videos and read a lot of forums but I cannot fix this. I want to clarify that I'm only a ...
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Cannot install Linux because keyboard/mouse not working

EDIT: I should mention that my mouse and keyboard are wireless devices. I assume that doesn't matter since a Live version of Windows 7 had no problems with it, and the most basic part of my system (...
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3answers
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GRUB doesn't show all OS's

I am on Arch currently and have Gentoo in a separate partition. grub-mkconfig -o /boot/grub/grub.cfg (on Arch) returns: Generating grub configuration file ... Found linux image: /boot/vmlinuz-linux-...
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2answers
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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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Grub reboots PC after showing only “Grub loading.”

I have this old computer I use for the more experimental OSes, and about a month ago I installed Gentoo on it, with GRUB2 as boot loader. Everything worked fine, but every boot it would show an error ...

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