Questions tagged [grub]
This tag is ambiguous: use grub2 or grub-legacy as appropriate.
1,617
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Is it possible to make Linux loopback to itself? [closed]
For security concerns why not load Linux with iso9660 read-only and looping back it to itself (kernel-space) ...
I put kernel and initrd together in a framework.iso file and load the iso from grub. If ...
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19
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Configuring grub on Arch stopped my pc from booting
When trying to enable hibernate on arch, I followed all the instructions about swap file, mkinitcpio and grub-mkconfig.
After all that, my system refused to boot, it doesn’t even get to the grub ...
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1
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20
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Windows7 partition not added by grub
I recently installed Debian Stable 12.7 (from installation DVD created using iso file downloaded from official website). It is otherwise working very well.
I installed it in a logical partition. ...
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Arch Linux won't boot after changing grub option
I've posted a similar question, but only focusing on the final part which is where I am now, here: https://bbs.archlinux.org/viewtopic.php?id=299059
I wanted to add nomodeset to my grub options in an ...
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How to boot a writable disk image (created with dd from Debian or another distribution) with GRUB?
I created a multi-boot USB stick to load various ISO files, which can either be live systems or used to install different Linux distributions.
sda
-sda1 1M | BIOS Boot partition to store MBR
...
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1
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60
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How to open an USB's encrypted /boot automatically
My situation is a bit unique:
The scenario ~
I have successfully encrypted my root partition and boot partitions. My boot partition lies on my usb along with the /boot/efi on a separate unencrypted ...
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0
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1
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43
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Windows 11 disappeared from BIOS after installing Arch with GRUB
I've been using NixOS with a dual boot setup for Windows 11, with each OS installed on its own drive. To switch between them, I've been using the BIOS boot priority.
However, last week I reverted to ...
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47
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How to be sure where /boot files originated from for security?
I’m contemplating automatically PGP signing all files in my boot process, from grub config onwards with detached PGP signatures.
This will be used with grub’s check_signatures with a statically built ...
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48
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GRUB vs two Linux distributions
I am trying to use two Linux distributions on one computer. And it goes like this:
one GRUB (GRUB_DISABLE_OS_PROBER=false) - the first system boots, the second bad shim signature; I get the point, I ...
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1
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PC not powering off after screen lock has been active
I had this problem where my PC running Debian (bookworm) wouldn't fully shut down but stop at the "the system will now power off" message, at which point I had to manually power it down with ...
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1
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54
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How to reinstall GRUB on a different device/partition?
I have a laptop that comes with Windows pre-installed. Recently I bought an extra 1TB external SSD and installed both Fedora (first) and Kali Linux (after) on it.
With Fedora, only when I connect the ...
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1
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Boot from an .img device (a copy of the physical device)
There is a copy of the disk in IMG format:
root@linux /mnt # fdisk -l /mnt/output.img
Disk /mnt/output.img: 3 GiB, 3221225472 bytes, 6291456 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (...
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0
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27
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How to change grub-efi timeout with live-build?
I need to automatically boot the live Debian system created with live-build, however the default grub timeout is set such that user interaction is required to boot. I need to change the timeout but am ...
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1
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How to manually boot from grub after pressing Esc
I know there are somwehat similar topics.
I'm asking purely for pedagogical reasons/ my curiosity.
I've been trying to get GUI on WSL and android working.
So, for practice and because it's a useful ...
0
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1
answer
104
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Ubuntu upgraded to 24.04 from 22.10, now getting grub message "Symbol ‘grub disk native sectors’ not found"
I have seen several questions about the same issue but they are either not answered or the answer is not relevant as it is about a different Linux variant
When performing the upgrade, towards the end ...
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1
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46
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How to get a copy of libdevmapper 1.02.34 or later?
I am trying to update GRUB 2.06 to 2.12 on an Ubuntu 22.04.4 LTS machine, following the instructions in the INSTALL text file included in the tarball (and at the bottom of the post). Reading through ...
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1
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Systemd[1]: Freezing execution kali linux
When launching my pc and choose to start up my kali linux from the grub list It reach to the loading screen when the desktop environment appears it spontaneously freez and after seconds I get this ...
user626407
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What is the proper way to boot Debian 12 Install CB from GRUB? Can't detect install Media
I need to set up Debian 12 on a remote system and can only access the install media through GRUB. I can boot the image, but it can't find the install media. My /etc/grub.d/40_custom entry is as ...
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1
answer
128
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How do you back up an entire Fedora Linux system at the file level?
Allegedly, it is possible to back up a complete Linux installation simply by copying the root directory's contents to a new partition, thus preserving all packages, system settings, user settings, etc....
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1
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I can no longer dual boot
My setup used to be a dual boot system with Pop OS and Windows 10, which are both on separate SSD drives. It worked fine and now I recently just changed from Pop OS to fedora. In the install procedure ...
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1
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what are the steps to run Grub Hook Script in Debian 12.5
I have installed Software RAID 1 in Debian 12.5. I want if 1st HDD fails the automatically my system should be able to boot from 2nd HDD and visa versa.
What steps I should take for the same?
My ...
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1
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58
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Rescue/Emergency mode with Fedora 12 and GNU GRUB 0.97
I have a problem with a VM with fedora 12. When I try to start up the VM, it gets blocked with this message.
Looking in differents forums, they mention to get in rescue/emergency mode where I can use ...
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59
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Stuck at GRUB prompt after fresh Slackware install: Disk Not Found, need kernel loading help
I have just completed a new install of the latest slackware which went surprisingly well. Everything completed no errors.
I was prompted to reboot. But have now a problem I have no idea how to solve.
...
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0
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46
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grub 2.12 compiled - grub-install gives error for encrypted boot or encrypted root with --boot-directory option
I have ubuntu 22.04 and grub compiled from git source 2.12. After grub is installed in separate directory, from there I executed grub-install with below command and it gives error for encrypted ...
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1
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120
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Boot from USB - redirect to SSD
I reinstalled my old HP ProBook 6460b with Ubuntu 24.04.
It no longer boots on the SSD (Same issue https://askubuntu.com/questions/1490970/my-hp-does-not-boot-after-fresh-ubuntu-22-04-install).
This ...
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Can't access GRUB rescue menu with any hotkey (tried SHIFT, ESC, F8, SPACE). Where is this hotkey defined?
The basic question is where is this key defined in the system? But if you need the full background story:
My system doesn't boot (fails to mount) and won't allow me to access the root user from ...
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0
answers
52
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Grub BADRAM doesn't blacklist special memory range
I have a laptop with a damaged integrated RAM, so I ran memtest86+ to get the affected sectors and marked them as unusable. The issue came when modifying the grub configuration. I set the GRUB_BADRAM ...
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2
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127
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Macbook air boots directly to grub menu, can't access BIOS or Boot menu anymore
Running Macbook air 2017 with inuxmint 21.1 xfce, even if I press alt key or alt+e or command+alt+r while booting, it jumps directly to grub menu and i can't access BIOS or boot options. I can't even ...
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28
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Cannot install working grub on LFS Linux
I have been trying to install grub for my LSF Linux but I feel a bit lost. That is because every time I install it (no errors shown) it doesn't boot my os but grub rescue shell. I tried searching for ...
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1
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Better way to avoid Grub2 password protect on every boot? --unrestricted gets overwritten
I've read this post about only requiring the GRUB password when you're trying to edit GRUB settings, still allowing to boot into the OS without a password. The only solution I've found is to edit /etc/...
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0
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58
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Debian grub turn to older boot image instead of new broken
How is it possible to use an old boot image (6.1.0-18) as a default in grub and remove the newer one (6.1.0.-21) so far it's broken?
apt list -i 'linux-image*' gives
Listing... Done
linux-image-6.1.0-...
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Can’t boot into LFS using GRUB
I have made LFS.
But unfortunately, when I installed GRUB,
I got an error that said ext2 system isn’t supported.
But I added --force into grub-install --force /dev/sda and it installed,
so I tried ...
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1
answer
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What is the purpose of a bootable partition if GRUB is installed in the first 512 of the disk?
The flow from hardware boot (BIOS/UEFI) that passes off control to bootloader which loads the OS makes sense to me.
Bootable partitions make sense to me.
Bootloader responsibilities make sense to me.
...
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67
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Centos 7 Increase CMA Size
I have a SBC module and it has Centos 7 with 3.10.0-1160.114.2.el7.x86_64 kernel version. I have to increase CMA size to 128MB which is default 4MB. I check my kernel menuconfig and DMA Contiguous ...
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1
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SSD Multi-Boot Grub Trouble
I have 3 Linux-Distros installed on a SSD (Ubuntu, Parrot, Kali). There are all separated from each other, meaning they don't share a /home partition or anything like that. I also have no swap ...
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0
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85
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Pop!_OS 22.04 LTS - How to avoid Grub recovery upon restart
I am new to Linux. After playing with installation of NVIDIA drivers and CUDA utils on my Dell laptop which has Pop!_OS 22.04 LTS and Windows installed, and doing some updates which I don't really ...
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Any OS selection runs Windows instead of selected OS
I installed ubuntu22 alongside windows11 on (Lenovo Ideapad3), while installing I selected "use ubuntu alongside windows". So I did it. But for some personal reason I deleted the grub from ...
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0
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Windows 10 not found after installing Bliss OS
I have a problem similar to this one: Windows 10 disk not found when trying to boot from Grub
I installed BlissOS next to Windows 10. Booting BlissOS works but booting Windows results in error: Error: ...
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1
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Why won't Ventoy boot from a flash drive
I recently bought a used Laptop, which had a German xUbuntu installation. I am vaguely familiar with xUbuntu.
Because it was in German I wasn't able to find my way around and decided to just plug in ...
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2
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431
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How can I change the GRUB background theme in Kali Linux?
How can I get back the GRUB boot theme which changed when I upgraded the GNOME desktop environment. I am also getting a Fedora 12 image on rebooting or shutdown
This is the original theme I want back:
...
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2
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74
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Reboot and select proper boot device SSD error EVERY TIME SSD is disconnected
While I have figured out how to do this on a one-time basis, the issue happened again. So the question remains - why, whenever I unplug the SSD from the SATA port on the AAEON EMB-BT1 itx board, does ...
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fresh install of MX-linux ahs cannot boot the first time
i use a chromebook with mrchromebox's custom firmware, had resorted to installing the ahs version as it is the only way through which i can get sound to work (i only know this because it worked on the ...
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1
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174
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PXE boot on UEFI clients and client-dependent configuration file
Everybody seems to be using GRUB to boot UEFI machines via PXE from the network. While it works, it lacks an important feature to be able to direct certain known clients right away. GRUB just requests ...
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Windows won't show up on the grub after I dual boot with kali
When I installed the kali linux with dual boot, the windows dual boot wont show on the grub. It was just an Run kali linux and Advance options. I tried already many possible solutions in the internet ...
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1
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49
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Rebooting into Ubuntu without using BIOS settings
I have a remote PC(connected through team viewer) setup with Ubuntu 22 and Windows 11, the boot priority is set to boot into windows. Currently I am booted into Ubuntu 22, due a CUDA issue I have to ...
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1
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63
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Installing tree installed grub - is it something to worry about?
I just installed tree via
sudo apt-get install tree
and my terminal suddenly decided to update grub. Last week, I installed tree, and a similar thing happened. However, when I restarted my PC later ...
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1
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74
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Boot a kernel of debian installer with expert mode
I want to reinstall my VPS with the debian's official repository, instead of with the image provided by the VPS operator(I don't trust the VPS operator).
On original system I installed debian-...
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Windows 10 disk not found when trying to boot from Grub
I just installed Bliss OS 16 on my laptop. I can boot to Bliss OS just fine but when I tried booting to Windows it gave the me
Error: disk 'hdWindows' not found
instead.
During GRUB2 installation a ...
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113
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grub2: which /boot/efi/EFI/*/grub.cfg does it read?
I have a dualboot linux, fedora and almalinux.
After installing almalinux, I couldn't see the fedora's kernel versions, just multiple entries of Fedora.
Most of the links I found are wrong.
https://...
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Moving /boot, how to update grub to find new location /boot/grub2/i386-pc/{core,boot}.img
Grub2 systems hard-code the location of stage2 files. This info is stored in the bootloader partition. I understand that grub-install will write this and more.
My question is how does grub2-install ...
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