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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blank screen after ipv6.disable=1 removal from grub line

I have a big problem with update-grub resulting in a blank screen (backlit) after reboot. It took me tonight to figure out that I have a timeshift backup of OS (Linux Mint 21.3), I have then been able ...
Vlastimil Burián's user avatar
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modprobe: FATAL: Module dm_mod not found in directory /lib/modules/6.6.16

I have built a custom kernel and given a CONFIG_LOCALVERSION of -grant-nvme during compilation. However, when I try to boot into it, no matter what I do, grub seems to look for /lib/modules/6.6.16 and ...
Grant Curell's user avatar
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Kali - Preseed - grub-installer fails

I'm trying to create a QEMU vagrant box from a Kali ISO with packer. I've used the default Kali+Packer+Vagrant+Preseed config from the OffensiveSecurity GitLab but I am always stuck when installing ...
Tobias K.'s user avatar
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correct path for arch linux system /boot/ - x64 laptop uefi machine, GPT partion table

after a rebuild from arch live usb iso, my boot directory is: The tree is correct? Or there is a mistake? I know that the system boot up correctly so I should not modify anything, but i need to ...
Alessandro's user avatar
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grub_rescue after 2nd Linux install

After installing Arch Linux on a second hard drive from an existing install through the Arch wiki, I was at step 2.1 where it told me to follow the regular installation guide. From there, I finished ...
Kevin's user avatar
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Grub2 does not show Manjaro entry along with Ubuntu and Windows

I have a PC with a NVMe SSD (/dev/sdb) and a SATA one (/dev/sda). On NVMe SSD there is only Windows 11, on SATA one I had only Ubuntu, until today. This morning I have installed Manjaro Linux with ...
TechRevo's user avatar
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How to boot Windows UEFI from Debian legacy Grub with two SSD drives?

I am using Debian 12, and I am trying to add a new line in the grub menu. This PC has two SSD drives, the first one has Windows 10 and the second one has Debian 12. How can I boot Windows from the ...
mabvmex's user avatar
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GRUB2 and PXE: error: no suitable video mode found

I am building a diskless Debian 11 image that will load over PXE; that part mostly works, but I'm seeing this annoying message during boot: error: no suitable video mode found. Booting in blind mode ...
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GRUB2 Terminal: Ubuntu 23.10 does not boot, MX Linux 23.2 on Live-USB does not boot, too - commands?

I have some trouble with a "simple" boot or installation procedure. 1. I would like to boot my Ubuntu, but I do not find the right command words doing it (hd0, fat or ext*). 2. As safety ...
TIMBO 2023's user avatar
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2 answers
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Various Linux booting messages

I just installed Fedora 39. When it boots it shows a huge message "Welcome to Grub!". (It does boot successfully, though.) A few months ago I had Fedora 37 and that message didn't exist. I ...
Adam's user avatar
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I've been stuck on the bootloader after installing once again (using openSUSE Leap 15.5), but got a different result

Well, to begin, I'm wanting to run openSUSE Leap 15.5 with the Server role on a HPE Microserver Gen8 using the RAID controller B120i that's embedded, and an Intel Xeon E3-1220Lv2. When first ...
Javontae's user avatar
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KUbuntu / Windows 10 dual-boot issues

I have installed KUbuntu on my computer, along with GRUB. I however am facing a persisting issue: whenever I boot into KUbuntu, when I shut down and boot my computer back up, I get immediately booted ...
Chick_Chicky's user avatar
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Repair Fedora GRUB after grub2-mkconfig gone wrong

I was trying to enable fractional scaling in Fedora 39 using ChatGPT and he recommended the following: # NVIDIA's proprietary driver requires DRM KMS to be disabled for Wayland to work. # Edit the ...
Camilo Martinez M.'s user avatar
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How do I permanently recover from grub rescue?

This question relates to a Windows/Linux dual boot system on a DOS-partitioned SSD (i.e. none with GPT/UEFI). Originally, the computer only had Windows 10 on an HDD. Then I managed to transfer this ...
Adalbert Hanßen's user avatar
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"error: /boot/vmlinuz-6.6.9-amd64 has invalid signature" with secure boot on in Kali Linux

When I try to run my Kali Linux system with secure boot on, GRUB returns error: /boot/vmlinuz-6.6.9-amd64 has invalid signature. I don't want to turn off secure boot. I have followed the directions ...
horsey_guy's user avatar
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Combing OverlayFS with A/B partition scheme

I'm wondering if it's possible to combine OverlayFS with A/B upgrade scheme and do so in a completely RO only way. This combines a few pieces of technology, so I'm not sure if its possible or the ...
bearrito's user avatar
1 vote
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LUKS password correct, but not accepted

I am attempting to install Kali on a laptop, which should normally be straightforward. However, on this particular device, the Kali installer errors upon writing the partition changes to disk for some ...
ExecutionByFork's user avatar
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Grub not appearing

When I turn on the PC the GRUB screen doesn't display and goes directly to any OS (which is configured on the F2 boot start list) and when I tried to find the /etc/default/grub file it's missing there....
theEarlyRiser's user avatar
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When i installed Debian grub wasn't installed

While installing Debian 12 my power went out, so now I can no longer boot. Unfortunately, I do not have a USB drive and I had been installing things by placing the initrd and vmlinux onto the drive ...
sam's user avatar
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How to disable grub timeout completely (one OS)?

On Ubuntu 23, I want to disable grub pause (the default for 30s) completely = I want 0s. Yes, I am sure. No, I do not have other OSes. I edit file: sudo nano /etc/default/grub Contains GRUB_DEFAULT=0 ...
Андрей Тернити's user avatar
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Keyboard not working in GRUB

I have an MSI all-in-one PC with windows 10 and ubuntu. Usually I would start it up and go to ubuntu booting page and I had configured it in a way so that if I don't select any options after 3 seconds ...
Sur Khosh's user avatar
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Change font in GRUB with SecureBoot

I have a dual-boot system using Grub. Setting GRUB_FONT seems to be broken by SecureBoot. You can even try the loadfont command in Grub's console: it will return an error complaining about SecureBoot. ...
fffred's user avatar
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swapping /boot partiton

About 6 months ago I installed a newly acquired laptop with kubuntu . I opted for a separate /boot (and accepted the default) now, during the upgrade to the next kubuntu version it runs out of space ...
GraemeV's user avatar
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Two system pools on 1 disk - 1 or 2 /boot directories and WTB grub?

I have a legacy root-on-zfs install that was once made by installing to an ext4 / with /boot on a separate ext4 partition, and then moving the contents of / to a ZFS pool. I had various *BSD ...
RJVB's user avatar
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How to cancel the kernel's rename of the Network interface? [duplicate]

I compiled the kernel of Linux 6.4.0 myself and used busybox to create a root file system. I customized my own Linux system and installed it on an embedded board with four network ports, which were ...
ABeginner's user avatar
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Making a "About PC" boot opion in GRUB 2

How could i make a boot option "About PC" in the GRUB boot menu that displays something like in the image running the newest version of GRUB i386-pc MBR everything uptodate. Image slightly ...
user20053027's user avatar
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My Grub2 is perfect, except I can't update it other than manually (editing grub.cfg). How do I clean this up?

I'm running openSUSE Tumbleweed on an Acer laptop. Please feel free to ask for any hardware / software details that may be important in the comments. My problem is: > sudo grub2-mkconfig -o /boot/...
Ul Tome's user avatar
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Basic openSUSE Grub entry for Fedora on another disk

I have 2 hard disks, one SSD (/dev/nvme0n1) and one HDD (/dev/sda). On sda I have: /dev/sda1 which is btrfs, 250GB big and has openSUSE Tumbleweed on it, and /dev/sda2 which is swap. On the other disk,...
Ul Tome's user avatar
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So many Grubs for only 2 distros... What should I do?

I have two hard disks, one HDD (/dev/nvme0n1) and one SSD (/dev/sda). The first one contains mainly Fedora, and the second one mainly OpenSUSE Tumbleweed. The details are below: GParted /dev/nvme0n1 ...
Ul Tome's user avatar
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dilemma. getting stuck in grub2

couples of days ago i wanted to upgrade my mint linux by installing a fresh one to a new disk. i then found the last available sata cable's clip was broken so i replaced it. then the story began... i ...
xxjoe's user avatar
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Grub not getting modified when dual boot Fedora with Ubuntu

I don't have windows. I dual boot between Fedora and Ubuntu. Somehow the grub gets modified only by Ubuntu, the modifications done to grub while being booted to Fedora does not show any effect after ...
Porcupine's user avatar
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How enable graphical boot screen with splash screen on Ubuntu Server 22.04

I've been working on some cases to enable Splash Screen for Ubuntu Server 22.04. Just in case, I tried running Ubuntu Core, which has a splash screen out-of-box, and it works fine. My idea was to ...
Dmitriy Sosunov's user avatar
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Trying to add NixOS to my Fedora grub

I'm trying out NixOS and want to add it to the Grub menu from my fedora installation, but I can't figure out how to do that. I have Fedora and NixOS on the same drive, but different partitions and I ...
EddoWagt's user avatar
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Grub2 loopback command out of memory

I have an asus rog strix g614 with 32gb ram. I installed fedora 38, and with it grub version 2.06. I made an ext4 partition where I put an image file of Ubuntu so to load it with Grub. I have this ...
AndrewBloom's user avatar
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1 answer
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Kernel panic on boot, only when ethernet adapter connected

Hardware: Late 2013 MacBook Pro Retina 16gb RAM, no swap space enabled aftermarket 2TB SSD Brand new Thunderbolt to Ethernet adapter Software: Fresh install of Ubuntu Server 22.04.3, with GNU/...
trainface's user avatar
-1 votes
1 answer
554 views

Linux Mint fails to install GRUB

I'm a complete beginner. I recently wanted to try to dual-boot my computer that already had Windows 11 on it, adding Linux Mint. I created a USB using Rufus, choosing GPT, as my system is recent. I ...
Elie07's user avatar
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Error: extent not found. When booting from btrfs using grub2

I recently attempted to migrate from ext4 to btrfs, made the @ and @home subvolumes, copied over everything to those subvolumes, chroot into the installation and run mkinitcpio - P and grub install ...
Swapnil Devesh's user avatar
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1 answer
139 views

I installed debian and got into GNU GRUB, Need help booting

I installed debain got into grub. The installation was perfect, at last it told me to restart. I restarted and the got into GNU GRUB. I have reinstalled debian 10 times now. I need help in booting ...
Yubin Dhami's user avatar
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1 answer
47 views

No disk file outside grub

I have issue with my disks I can't boot from them I can't get them to display outside grub program. When I try to boot from them I'm dropped to initramfs after ~30 seconds of boot time. From initramfs ...
jomal j's user avatar
-1 votes
1 answer
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windows not bootable after linux mint installation

After installing Mint 21.2 next to windows I could not boot on windows my situation is different from Can not boot windows after installing ubuntu as windows is not even present in the GRUB ps: the ...
jjrr's user avatar
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Install grub on ext2

Is it possible to install (and use) grub on the same ext2 partition as the linux root directory? (Should you want to discuss 'why': to try, to understand and master.)
Boole Gates's user avatar
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2 answers
781 views

EFI-System Partition, GRUB2 Configuration and Software RAID 1

It's a bit difficult to find an easy to understand explanation of what /boot/ and /boot/efi/ actually are. I've found some possible answers through testing and googling but would be very happy if ...
Marco's user avatar
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Grub Install x86_64-efi doesn't exist - LFS

I've been following along with the stable systemd Linux from Scratch and have got to the final chapter where we configure grub to make the system bootable. So I've run grub-install /dev/sda1 (/dev/...
ScottishTapWater's user avatar
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Why do I have to execute `grub-install` and `update-grub2` both internally and externally in `chroot`

I am installing grub to boot the system. Why do I have to execute grub-install and update-grub2 both internally and externally in chroot, otherwise I won't be able to enter the grub interface and will ...
ABeginner's user avatar
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How to create an entire backup of a disk to fall back to before performing a dist-upgrade?

I am preparing a dist-upgrade. Before I do that I want to make a backup of my entire disk so that even if the upgrade fails I can fall back to a backup. I have two SSDs, /dev/nvme0n1 which is the ...
fu8834's user avatar
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HELP! mistakenly removed pop os from bios boot menu

My laptop is Thinkpad E590, UEFI Bios version is: ROYET51W (1.34). Machine type model : 20NBS0B800 I dual boot Pop os and win10 on my lenevo thinkpad. Both of them are install on my ssd. I always used ...
Red Mist's user avatar
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How to directly boot on GRUB installed on a specific partition instead of "bios_grub" partition?

Here are the partitions of my SSD: $sudo parted -l Model: ATA SanDisk SDSSDA-1 (scsi) Disk /dev/sda: 1000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start ...
Pierre's user avatar
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Building Kernel for Debian on another Machine: GRUB: Out of Memory

I to an evalboard for Intel Elkhartlake. The problem is the Plattform is not really a productive one. It tends to get hot, has only a 16GB CFast Storage Card and 1 GB of RAM. I installed a debian ...
maxbit89's user avatar
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No device specified for hibernation [Arch Linux]

on startup showing ERROR : no device specified for hibernation here are my related files /etc/default/grub GRUB_DEFAULT="0" GRUB_TIMEOUT="5" GRUB_DISTRIBUTOR="Arch" ...
Kunal Vijay's user avatar
1 vote
1 answer
4k views

How to install debian 12 with full disk (boot too) luks2 encryption grub2, lvm UEFI?

This is a laptop with an SSD. The debian installer defaults are for luks2. Using these breaks the install at the grub part, as the latest grub version doesn't support argon2id PBKDFs. argon2id is ...
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