Questions tagged [grub2]
GRUB2 is the second revision of the GRand Unified Bootloader, with versions numbered 1.9x and 2.yz.
1,845 questions
1 vote
1 answer
54 views
Kernel doesn't seem to boot (stuck on "Booting `Buildroot`")
My goal is to flash a very simple Linux image on an Advantech ASR-A502-X0A1 board using buildroot. After many unsuccessful tries, I decided to do as simple as possible and simply flash buildroot's ...
- 11
0 votes
0 answers
63 views
GRUB2 not finding the background_image command
I recently installed fedora, and I wanted to add a background to GRUB, so I modified my /etc/default/grub to look like this: GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-...
- 119
1 vote
1 answer
81 views
Can I redirect or suppress error messages in GRUB 2?
Is it possible in GRUB 2 to redirect or suppress error messages for specific commands, similar to how you can do it in Bash with command 2> /dev/null ? For example, when I run: menuentry 'CLEAR/...
- 10.2k
5 votes
2 answers
497 views
Can I Automatically List Supported Kernel Parameters in GRUB?
In GRUB, when loading a kernel, you can pass various parameters to linux/vmlinuz, for example: menuentry 'GNU/Linux' { ... linux /live/vmlinuz boot=live config live-media=removable ...
- 10.2k
1 vote
1 answer
88 views
How do I re-enable the USB keyboard after changing the layout/language in GRUB?
I changed the keyboard layout in GRUB on a laptop to German/QWERTZ using the instructions from these posts. How to change grub command-line (grub shell) keyboard layout? Create de layout: grub-...
- 10.2k
0 votes
1 answer
122 views
How to start the GRUB CLI with a menuentry
How can I create a simple menu entry in GRUB to start the GRUB console? menuentry "GRUB CLI" { #command } I have already tried the following options, but they do not work at all or only ...
- 10.2k
1 vote
1 answer
126 views
How can I start Tails from a multiboot USB stick with multiple partitions and force the greeter or set a password?
In advance, I know that Tails shouldn't be run this way and that it can cause problems, which is why security aspects should be ignored, even though that is the point of Tails. This is simply out of ...
- 10.2k
0 votes
0 answers
44 views
Linux on Lenovo Miix 300
I want to install a Linux on my old Lenovo Miix 300, which has currently Win 10 installed. I followed this guide: https://super-useful-things.com/2021/05/02/install-linux-on-lenovo-miix/ However I ...
- 101
0 votes
1 answer
84 views
Linux doesn't boot. I get a command prompt GRUB2 [closed]
I tried to restore Grub using Life-CD, but some error popped up during the process. Now I want to boot Linux manually. I enter the following commands: grub> ls (hd0) (hd0,gpt1) (hd0,gpt2) (hd0,gpt3)...
0 votes
0 answers
46 views
On Ubuntu Server 24, the "o" key on my keyboard doesn't work properly in the GRUB command line
On Ubuntu Server 24.04.3, the "o" key on my keyboard doesn't work properly in the GRUB command line. Grub Version: 2.12 I've tried several different keyboard, but none of them work. But when ...
- 1
0 votes
0 answers
47 views
Starting up fails around four times out of five (decompression fails, system partition not found)
It started among other shenanigans when I upgraded Debian from Bookworm to Trixie a week ago. Now, starting up my PC fails around four times out of five. The GRUB menu is reached right away. I choose ...
- 111
2 votes
1 answer
145 views
GRUB won't boot from LUKS2 encrypted BTRFS partition
I'm trying to install Ubuntu 25.10 Desktop with encrypted /boot. At the end I'll always get redirected to GRUB shell, without any password prompt, and unable to cryptomount root partition, insmod ...
- 151
0 votes
1 answer
69 views
Question about EFI partitions and dual booting
I have a dual-boot laptop: W10 and Linux (Mint 22.2). But recently I've decided to switch to Linux-only and to use VirtualBox with a Win10 guest OS, because there are about 2 apps (in particular ...
- 1,226
-2 votes
1 answer
60 views
(multi-boot )Ubuntu 22.04 updates have new kernel images and remove old ones, but the grub menu is not updated accordingly
I have 2 Ubuntu installs and 3 Windows installs on different partitions. I set my bios to boot from an SSD (/dev/nvme0n1p1 -- which has Ubuntu 25.04) and the OS I use is on a HDD (/dev/sdd1 -- Ubuntu ...
- 3
0 votes
2 answers
161 views
Debian 13 shows “error: file /boot/vmlinuz-linux not found” after logging into Debian 12 (dual-boot setup, device names differ)
I have a dual-boot setup with two separate SSDs: Debian 13 is installed on an NVMe drive (nvme0n1) Debian 12 is installed on a SATA SSD (sda / sdb, depending on which system is booted) Each Debian ...
- 3,144