Questions tagged [boot-loader]

A boot loader (aka bootstrap loader) is the program that loads up the operating system kernel (or another boot-loader), e.g., GNU GRUB, LILO, SYSLINUX, or rEFInd. Use this tag for questions about installing, configuring or trouble-shooting software that is used to load Unix-like operating systems. Questions about boot loaders on Android or iOS devices are generally off-topic and are better asked on android.stackexchange.com or apple.stackexchange.com.

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Boot partition full: Move to encrypted partition

Once the /boot partition is half-full with a single kernel you can't upgrade, Resizing is painful when the other partition is encrypted, Solution: Move /boot to the encrypted partition. Backstory: ...
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Cannot boot live into linux from USB on Asus ROG laptop

I'm trying to dual boot on my Asus ROG Flow x13 laptop. I want to dual boot Fedora Workstation, but I'm having an issue where whenever I select Start Fedora-Workstation-Live 35 the screen will just go ...
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How to fix EFI when bootrepair won't work

Environment: Parrot OS 5/Windows 10, Grub 2 Hello, I messed up my EFI somehow when trying to figure out how to put Qubes on an external SSD. When I see the ParrotOS boot screen it gives me the option ...
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Boot Windows after installing Linux on external drive

I installed Linux (ParrotOS) on an external hard drive by using a separate bootable flash drive and I think the bootloader (grub) also got installed to that new drive. I can boot both Linux and ...
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How to Point Bootloader to SD Card, Cant boot from SD Card

Im trying to boot Tails/Debian OS from my SD card but my device doesn't see the SD card. I heard I could use a Bootloader like Grub to point to a location on an SD card and boot it. How do I do that? (...
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Error: NVram is locked

I have a problem like this: https://paste2.org/7HMJZKsh I use ZorinOS 16 and MBR with a table partition like this: MY Notebook Asus A45A Core i3 2370M RAM 6 GB Intel HD Graphic 3000 HDD 500GB What ...
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Adding a working boot option to get to my pacstrap/chroot install on a luks partition

I know there are are a lot of questions like this but the examples I have found differ enough to confuse me, I'm hoping someone can help clarify this for me. To briefly explain my setup. I have a ...
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Can't boot into grub menu

Grub-probe: error: cannot find a Grub drive for /dev/sda1 Chack your device.map Drive - ssd. UEFI - boot Dist - backbox After making device map still getting same error Grub-probe: error: cannot find ...
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Grub w/Kali Linux Dual Boot not working after Motherboard replacement

After the replacement of the motherboard, grub is not visible on startup. Before replacement, grub boot loader used to show up on startup with Kali Linux, Windows 11 options available. I can manually ...
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Grub-customizer trying to use `KDE su` - Cannot login

I would like to use Grub Customizer, but I cannot start it. After entering the administrator password, it asks again for it: (see update below: I guess the first image shows an interface that is not ...
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How to write "Magic Number" boot block to the first sector of my flash drive

I want to try and see how the BIOS detects boot device using the magic number (0xaa55) by writing e9 fd ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 * 00 ...
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How does Grub check if a system started successfully?

I am testing an automated migration from Windows to Linux using Grub2 on my EFI partition. My goal is to have a fallback solution in place so when booting from my new Linux image fails, the existing ...
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Centos 6.10 not booting, boot loop. VPS

I went to reboot my server gracefully. I Noticed it had booting issues randomly with a fresh install of Centos 6.6 (Installed June 2021) I believe then an upgrade to 6.10 . (issue was happening ...
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Boot sequence is not honoured

I tried to clone my primary disk (dd to 2nd nvme disk), made a mistake (forgot to change the device name of the 2nd disk), booted from the 2nd disk and went into a recovery console (ramfs, limited ...
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Installing Windows 10 on a virtio VPS

I have been trying to install Windows 10 on a VPS. This VPS provider does not support loading from iso's. Only netboot.xyz, So I hosted a unpackaged a Windows ISO and booted it via netboot.xyz. I ...
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Kali linux disappeared from boot menu after installing windows 10

Earlier I had dual boot with windows 10 and kali linux. Boot menu was displayed by kali. I reinstalled windows 10 due to some issue but now system directly boots to windows 10. No boot menu is being ...
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How can I build my custom bootloader?

I would like to create my own bootloader for the systems of unix family (Linux, FreeBSD, etc.) how do I do it? I know what awaits me so I just need to know how. Thanks an advance for the help!
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New boot manager entry added to BIOS every time I start up my PC

Every time I boot up my PC a new boot entry is added to my boot manager inside my BIOS. All the entries are exactly the same have the following name : UEFI: SAMSUNG MZHPU512HCGL-00000, Partition 7 I ...
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Installing GRUB from scratch with a Live USB

I'm a Windows user but use Live Ubuntu occasionally to do some troubleshooting. I'm trying to learn a bit more about Linux, and I'm trying to just install GRUB on a USB drive (ultimately I would also ...
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How to setup Linux and Windows 10 dualboot without access to BIOS?

I want to dualboot Debian on Windows 10 laptop on which I don't have access to BIOS/UEFI settings. I do have access to boot menu (i guess it's technically part of the BIOS) so I can manually select ...
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Ubuntu boot entry missing after installing Windows 11

I recently decided that I wanted to try out Windows 11 on my laptop that was running Windows 10, but it's a bit of an older laptop so the hardware isn't supported by Windows 11 and I had to do a clean ...
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Adding Windows 10 to the Grub Bootloader

I have the following setup on my computer: a Windows 7 installation which I rarely use anymore on sdb1 94766CBE766CA2AA a Windows 10 installation on sde1 90F8138FF8137328 a Zorin 15 installation ...
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UEFI Self-Signed Kernel loading from a Microsoft Signed OS Loader

I am writing my own OS loader (Boot Loader) in UEFI. The OS Loader is Microsoft Signed so it can run under secure-boot. The OS Loader will be able to load Windows or Linux Kernel based on User's ...
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Why does my Fedora has multiple boot loader entries

Currently my Fedora when i login ,it shows below options and i have to choose option3 fast,else system goes into panic mode. When i initially installed Fedora and also till few days back..it didn't ...
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Command to install GRUB2 on a BIOS boot partition

For a BIOS system with a single GPT fixed volume and a freshly-created BIOS boot partition at /dev/sda1 carrying the bios_grub flag, is the correct command to install / embed GRUB2 (i.e., core.img) to ...
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can't boot into arch linux after fresh installation

So I just tried to install archlinux a bunch of time without being able to boot to it, I searched my problem and found a lot of people having the same problem and I tried a bunch of things but ...
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How to specify the root partition in the u-boot bootloader configuration?

I am trying to understand Yocto OpenEmbedded Kickstart (.wks) manual and use it to creat wic images. In the manual Kickstart .wks reference they have mentioned about --use--uuid. And it's described as ...
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lost partition table after dist-upgrade (debian)

My setup is as follows: /dev/sda -> /dev/sda/1 = SSD, unecrypted, ext4 filesysstem, all files in single partitions OS install. /dev/sdb -> /dev/sdb1 - HDD, unencrypted, ext4 - linux raid (...
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I dual booted arch with fedora and the installation went well, but it doesnt show up in grub menu

This is the output when i run os-prober: /dev/sda3:Arch Linux:Arch:linux As stated in the title, I installed Arch linux and the installation went well, but on the grub menu only fedora shows up.
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moved partitions, ending up in busybox

moved pop OS partition tried to 'repair boot' with their recommended commands: sudo mount /dev/nvme0n1p5 /mnt sudo mount /dev/nvme0n1p1 /mnt/boot/efi for i in dev dev/pts proc sys run; do sudo ...
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Where to mount EFI partition?

I have an existing EFI partition used for a Windows installation. I want to install GRUB to it, for dual boot. The tutorials say to mount this efi-partition (in my case /dev/sdb1) to /mnt/boot. Now my ...
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How to edit default boot cmdline options on rEFInd?

When I trying to boot Linux (Debian 10) through rEFInd it boots in initramfs shell. It cannot find the root. But when I edit cmdline boot option by F2 and setting root manually (root=dev/sda5) it ...
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Ubuntu LUKS fails to boot after installation

Unplug HDD Plug an empty USB drive Plug Ubuntu 21 live USB Install Ubuntu 21 on the empty USB drive (LUKS enabled) Unplug Ubuntu 21 live USB Use the new live ubuntu with persistence and encryption ...
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Booting Linux On A Stick From Windows 11

OBJECTIVE: To boot Parrot Linux using Windows 11 boot manager I am using an ASUS GX701LWS (Zephyrus S17) notebook with Windows 11 Pro installed. Secure boot is disabled. Parrot-security-4.11.3_amd64....
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rEFInd loads with blank screen (logo only, no options to boot from)

Upon booting and choosing rEFInd, I get a blank screen as shown in this post. My filesystem is like so: $ mount /dev/mapper/luks-71740d10-cf57-4b82-9311-aa584acaa81e on / type btrfs (rw,relatime,...
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How to make GRUB on HD boot a bootable USBDrive or from a `.iso` on USBDrive?

I'm currently struggling with a project where I need to make it boot from a bootable USBDrive using GRUB. (alternatively I could make a NTFS USBDrive with the raw .iso file) When I enter GRUB's ...
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Troubleshooting extreme boot time on Linux

I am not sure if this is the right place to ask such tech support related questions, but this definitely seems to be a Linux issue or at least regarding the way Linux interacts with my hardware. I ...
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P2V Gentoo Linux server to VMWare

I am in the process of migrating an old Gentoo uname -r 2.6.30.5-grsecvc cat /etc/gentoo-release Gentoo Base System release 1.12.11.1 I am trying to virtualized the server using the VMware converter ...
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How do I completely remove openSUSE secure boot?

I was using a dual boot of openSUSE and Windows and I decided to delete OpenSUSE by deleting the partition. On rebooting, I found out that the secure boot for openSUSE was still there, leading to an ...
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2 votes
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Move /boot to ESP (currently /boot/efi)

I currently have my ESP partition at /boot/efi (actually, it's not even mounted there, no entry in /etc/fstab at all; I installed my system years ago and can't remember why it's setup that way but it'...
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What exactly does grub-install do to install grub on a drive?

The official documentation mentions how to use the command and what it does, but not how it does it. From https://www.gnu.org/software/grub/manual/grub/grub.html#Installing-GRUB-using-grub_002dinstall ...
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Move /boot to usb Fedora

I'm a Linux Noob so bare with me. Basically I am did a normal install to my ssd in my laptop. Now I want to move the bootloader and kernel and every unencrypted file to a usb, so that it is only ...
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Where is GRUB stage 2 located on my bootable compact flash, according to the Master Boot Record?

I'm trying to understand where GRUB stage 2 is located on my bootable compact flash. Below is the output of the file command which was run against an image of the MBR (first 512 bytes) of the compact ...
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Issue with Tails Bootloader and Video Card

When attempting to run a Tails boot-loader, I received: Error starting GDM with your 2 graphics cards: At the time of the error msg I was using a fresh Tails v4.22 boot-loader on my early 2011 ...
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How to keep error messages on screen with syslinux

I am making the assumption that I'm using syslinux because I have a syslinux.cfg file present on my USB boot disk. The configuration of syslinux is the following: UI /linux/boot/vesamenu.c32 TIMEOUT ...
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Modifying boot process in a Linux Live USB

I'm trying to boot a Linux Live USB for installation on my old Microsoft Surface 2, a tablet equipped with a Nvidia Tegra 4 SoC. Obviously, it needs the SoC drivers to run the GPU. I have a couple of ...
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Repair Grub Bootloader for Windows-Only Boot (After Removing Linux from Dual-Boot)

I had a dual-boot (Ubuntu+Win10) configuration on my laptop (single disk). Due to space limitations, I had to delete the Ubuntu partitions (root, home, swap in extended partition) and extend the big ...
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Return from sleep mode with different set of connected hard drives

When I’m putting my Debian 10 to sleep (suspending), and disconnecting an external hard-drive (not the bootable one, which is flash drive), when I’m trying to return it enters emergency mode, even ...
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EFI Boot list and EFI Boot Manager timeout setting not working

How can I change the 'timeout' setting of the EFI boot manager? I am trying to dual-boot Windows 8 and Ubuntu and I would like to be able to choose one or the other OS at my machine boot time. I ...
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Failed to set MoKListXRT: Out of Resources Couldn't create MoKLisTXR: Out of Resources

when i installed ubuntu OS beside my main windows 8.1 this error shows when turn on my labtop the Error the problem is when choose windows 8 / ubuntu: my windows 8 doesn't work, this message only ...
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