Questions tagged [grub2]
GRUB2 is the second revision of the GRand Unified Bootloader, with versions numbered 1.9x and 2.yz.
1,830 questions
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grub-mkconfig is not finding my theme files even though the paths and filenames are correct
I have the FlatSense grub theme successfully installed and working on EndeavourOS (EOS) 64-bit with an XFCE4 DE on an ext4 partition on my UEFI multiboot system. No problems there. However, ...
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Problem with GRUB in a Quad Boot system
I have a quad boot system, with Windows, Ubuntu, Debian, and RedHat/Fedora, and I'm having trouble with GRUB. More specifically, I am having "thought" problems with GRUB, i.e. I have not yet ...
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Cannot boot Ubuntu 24 on a Carbon X1 Lenovo thinkpad
I have a Thinkpad X1 Lenovo on Windows which I want to convert to Linux.
I have ubuntu-24.04.3-desktop-amd64.iso on a usb stick using Ventoy.
I start the laptop, press F12, install Ubuntu with the ...
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GRUB not booting any more after system update: How to set the root variable the correct way?
Today I ran an upgrade on one of my debian 11 VMs to get the latest security updates. Obviously, the GRUB system has been broken by the update. The VM uses EFI, so there is a sort of "...
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How is compressed and how can be decompressed real core.img?
In GPT/BIOS, GRUB2 "installs" on BIOS boot partition "core.img" consiting of "diskboot.img", lzma decompressor (lzma_decompress.img) and core.img (IIUC). I assumed that ...
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Stuck on boot loading screen when booting from external SSD
I have a Dell laptop and I'm trying to run Fedora KDE Desktop 42 from an external SSD. I've freshly installed Fedora in the external SSD using another USB flash drive containing the live image. When I ...
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GRUB disappears from UEFI boot entries after booting Windows (Ubuntu + Windows dual boot)
Every time I boot into Windows (11/10) on my dual-boot system, the GRUB entry vanishes from the UEFI boot menu. I reinstall GRUB from a live Kali USB, and the entry comes back. Then I reboot into ...
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How to recognize theme files with btrfs subvolumes in grub
Recently, I modified my whole ext4 system to become a btrfs one, which was successful. Then, I modified the subvolumes to look like the following:
(btrfs partition block device):
├─@rootfs (subvolume ...
- 697
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How to force fsck at boot on a RHEL 9 server?
I would like to run fsck on a RHEL 9.5 server after boot, but the proposed solutions...
Adding a /forcefsck file
Editing the GRUB entry at boot and adding the kernel option fsck.mode=force
Making ...
- 32.4k
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How can I get Linux console output on both iGPU (HDMI) and IPMI (AST) simultaneously?
I'm trying to get console output on both the onboard iGPU (Intel i915, HDMI output) and the AST BMC (IPMI remote display) on my headless server setup.
Hardware and OS
Motherboard: ASUS Pro WS W680-...
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CachyOS (Arch linux based) ZFS root with GRUB on legacy BIOS
I'm trying to install Cachyos on zfs raidz with 4 hdd 6Tb each.
Hardware is HP Microgen 8.
The system boots and goes to restart after the message "Loading initial ramdisk".
Any idea what I ...
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GRUB fails to chainload Windows after booting Arch Linux
I have a dual boot setup with:
A fresh installation of Arch Linux (manual) on a SATA HDD
Windows 11 installed on an NVMe M.2 SSD
Grub is installed on the HDD, and both operating systems are ...
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Black Screen After Grub Menu and Before Login Prompt
I installed Debian 12 without GUI, on a computer using console port. This computer is also with a VGA port.
After installation, It can output everything on console emulator, Tera Term, but on VGA ...
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RHEL 9 GRUB not booting automatically to the latest kernel
I have noticed a strange behaviour on some RHEL 9 servers:
GRUB does not boot on the latest kernel, despite the fact that
it is supposed to do so automatically whenever a new kernel is installed, and
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- 32.4k
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Grub2 | Text Graphics if it doesn't support GFX Graphics
I have a Multi-boot CD that I would like to boot in dual graphic mode based on the PC performance
When I do tests on VirtualBox it goes into graphic mode
If I try on 86Box with low configurations it ...
