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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Flashed Bios and can only boot ubuntu 18.04 recovery mode

Back Story I wanted to install minikube, and that wanted virtual box, and that gave errors complaining about AMD-V (hardware virtualization) being unavailable, even after I found that in the bios and ...
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How to make partition for general use after dd ing the iso to the usb

I created a live USB stick using dd command. It boots, and after creating a partition it also boots, but the general partition does not mount and is not recognized. I tried it with NTFS and linux ...
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Dual Boot Help (Win10 and CentOS8)

Please help me guys. I'm losing my mind trying to dual boot my machine. Here is the specs of my machine: acer 4755g SSD for windows 10 and HDD for CentOS 8 (partition, not whole disk is used) ...
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Mounting android bootloader.img file in linux

I did a backup of android bootloader mtdblock using dd but having trouble to mount it https://transfer.sh/yAxnI/bootloader.img. $ file bootloader.img bootloader.img: DOS/MBR boot sector; partition 1 :...
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EFI\boot\bootx64.efi vs EFI\ubuntu\grubx64.efi vs /boot/grub/x86_64-efi/grub.efi vs C:\Windows\Boot\EFI\*

I have installed Ubuntu 19 64bit alongside Windows 10 64bit and I found that I have 3 different EFI files in different locations: EFI\boot\bootx64.efi EFI\ubuntu\grubx64.efi /boot/grub/x86_64-efi/...
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Broken grub bootloader on dual boot debian and windows machine

I have machine with AV Linux (variety of Debian 10) and Windows 10. Originally I had Ubuntu and Windows and installed AV Linux in the /dev/sda7 partition. This broke the grub boot loader. When I ...
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14 views

Read filesystem before/during boot

I'd like to create a bootable USB stick which checks whether a certain file is located on the hard disk of the system it is plugged in to. If this file is present the OS on the stick should be booted ...
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35 views

edit grub to have multi boot option to have more than 2 OS boot option

How do we edit grub in a UEFI HDD to have multi boot option having more than just one linux one Windows OS, readily being selected and run at PC startup
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What are possible parameters for the boot option in pxelinux

Following is the line from pxelinux configuration file: append initrd=gparted/0.28.1/initrd.img boot=live config components union=overlay username=user noswap noeject ip= vga=788 fetch=ftp:/ Please ...
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Dual boot CentOS 7 and CentOS 8 on UEFI machine

I want to build a dual boot environment of CentOS 7 and 8 on a UEFI/GPT machine. But, I encountered a EFI bootloader problem; Both CentOS 7 and 8 installers put their bootloaders in the same place: \...
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Reinstall Fedora to other linux on dual boot, both ciphered

I have a laptop, which have two seperate disks: Windows ciphered by VeraCrypt (full disk) Fedora ciphered with LUKS The process of turning on my computer looks like this: Power on. I give a ...
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QNAP NAS internal storage size for booting Debian

I've just downloaded version 4.3.6 of QNAP QTS operating system. It seems to contain amd64 Linux kernel 4.2.8, initrd and root filesystem, glibc 2.21, Apache 2.4.37, PHP 5.6.38, no Perl, Python 2.7....
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Why won't USB with custom iso boot UEFI? (Solved)

I'm trying to make a iso, based on Ubuntu 18.04, that boots in both Bios and UEFI mode. I have it booting in Bios mode but having a problem getting it booting in UEFI mode. When I burn it to a USB ...
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I am looking for a way to protect myself from a possible evil maid attack

I found a way that you can move the boot loader to a USB. Then in case of any changes I thought about checking hash of the USB after boot. Since hard drive will be encrypted, an evil maid can't know ...
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Computer hangs when using live USB to boot

I recently built a desktop/server at home and I am attempting to use Manjaro as the OS. However, when I insert the live usb with the Manjaro ISO on it, without fail, after reaching [OK] Reached target ...
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Boot Debian Live ISO from grub2

I want to boot Debian buster live ISO from existing Grub2. Bootable ISO is at /dev/sdh7 (type: dos, XFS), and vmlinuz, initrd at "hd7,msdos1" [must be correct, is from actual kernel]. I think I need ...
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Fixing the UEFI entry after unplugging the drive

This night I completely unplugged my Linux SSD and reinstalled Windows on another hard drive. I plugged in the Linux-SSD again after the installation, but when I tried to boot it my computer wanted ...
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I am having trouble installing Linux Mint (Gnu/Linux)

sorry just frustrated. My machine is the Dell Inspiron Mini 1012 with Intel Atom N450 @ 1.7-GHz on GMA 3150 (no NVIDIA Graphics) and Legacy BIOS (only). It runs on 32-bits Architecture, 2MB of RAM. ...
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Arch Linux Boot error failed to load kernel modules

I have Arch Linux rolling release as my main installation. and I have these packages installed: linux linux-firmware linux-headers linux-hardened linux-hardened-headers whenever I Update my system ...
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165 views

can't access tty; job control turned off

I was doing some application updates and suddenly the PC crushed. After I relogged Im getting this: Also on this screen i cant type anything with the keyboard. I read some other similar threads like ...
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How to add second linux distro (xubuntu) to grub?

I installed Xubuntu on a pcie ssd to use side-by-side with Mint. But, I still want to use Mint on its current SATA ssd drive. Ideally, I'd like to make sure that the Xubuntu installation is bootable (...
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MBR and bootstrap explanation for different size disk copy

I wish to clone a 500gb MBR source disk to a 250gb MBR destination disk manually by making each corresponding partition on the destination disk and restoring just the data contents of each. This way, ...
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1answer
20 views

Booting Linux with different security configurations

On an embedded system, we need to boot a Linux partition in several "flavors": an operational mode where sensitive services are disabled (e.g. sshd); an integration mode where such services are ...
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1answer
28 views

Linuxmint in virtualbox not booting to mint os

I was running linux mint in virtual box but today when I rebooted it landed in Busybox i tried reboot it lands in busybox.. i do not know what to doo next. i really need to get it working i have ...
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ucsi_ccg_init failed - -110

[ OK ] GRUB failed boot detection. [ 145.200501] ucsi_ccg 0-0008: ucsi_ccg_init failed - -110 System not booting up Tried Linux 5.0.0-32 Genric recovery mode, what happened is attached in the pic.
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ElementaryOS on Acer Spin 5 sp513 frozen locked screen

A couple days ago I achieved to install Linux on my acer, Elementary OS specifically. I tried 7 times, with Kali, Mint, Ubuntu, Lite and others. The main issue was that the boot manager always started ...
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Where do I install the Linux bootloader with this setup?

Disk ### Status Size Free Dyn Gpt -------- ------------- ------- ------- --- --- Disk 0 Online 931 GB 0 B * Disk 1 Online 1863 GB 1862 ...
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48 views

boot failed after restoring system with timeshift

I have a damaged Ubuntu 16.04.6 LTS machine. Lucky enough I have a timeshift backup of it. My steps for restoring it was: 1. Formatting the machine and partitioning as it was. 2. Install identical ...
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1answer
17 views

GRUB bootloader not loading

I dual-booted Windows 10 with Manjaro and installed the GRUB bootloader in /dev/sda but no bootloader loads when system starts and it directly goes into Manjaro. I have to press F12 every time to go ...
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1answer
105 views

Chainloading an efi file sitting in.an ISO

I have an iso file on disc I want to boot. It contains an efi file in it. I can mount it as loopback, but I get an error saying 'invalid root' when I try chainloading. I've tried setting root to loop ...
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1answer
393 views

Reinstall bootloader (systemd-boot or GRUB) without external media?

I recently updated the BIOS on my Lenovo Miix-700 and immediately regretted it. I was hoping to fix a problem with the webcam after a Windows update, but unsurprisingly the BIOS update overwrote the ...
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How is the “command line” passed from the bootloader (grub) to the kernel (linux)?

Grub (or other) sends command line arguments to the linux kernel, to modify certain parameters. If I wanted to go in and see this information, before the kernel is up (and potentially modify it), ...
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How to create iso file of my current MX linux?

I want to make a copy of MX-Linux (64-bit) I run on one PC with all installed apps, default app preference, docker, display resolution and other default settings, which can be used to install into ...
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1answer
289 views

Booting Debian 10 “Buster” Only Without Display Manager Neither X Window System

Thinking if there is any way that Debian 10 "Buster" could be booted with its Kernel, systemd, all those packages, but without display manager neither X Window System, something like recovery mode, ...
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1answer
42 views

removing a stray bootloader after installing Ubuntu on a USB drive

I have Arch Linux installed on my computer at home, and I recently wanted to test some things out in Ubuntu. So I tried to install Ubuntu entirely on a USB drive, so that it wouldn't affect my Arch ...
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26 views

After update Fedora doesn't decypher LUKS system while booting

So I have set up a machine with Windows at one disk and Fedora 29 at other one. Both are cyphered - Windows disk with VeraCrypt and Fedora with LUKS - default while installation. I did update of the ...
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1answer
59 views

lilo: display boot (append) option for entry in boot menu

When my machine boots, lilo menu appears with different boot options. I can either select option, or wait for default option to boot automatically. Now, I would like to have the possibility select a ...
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1answer
61 views

Grub menu taking too long to appear [closed]

I am using Windows 10, Ubuntu and Debian 10 in my machine. Everything was fine untill some Debian update (or so as I think). Now when i restart my system only a underscore is displayed on my screen ...
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1answer
381 views

How do I install/uninstall GRUB to change the primary boot manager owner?

I have a dual boot system with 2 versions (derivatives) of Ubuntu installed (Linux Mint 17.3 KDE and Kubuntu 18.04). In order to keep the LM install in control of the GRUB boot manager updates (...
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1answer
241 views

booting in text mode by using boot parameter in kali linux

I'm following the recommendation from an earlier question, which tells me, Use boot parameter systemd.unit=multi-user.target to boot in text mode. How do I do this? I can't access GUI so I need to ...
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107 views

rEFInd - How to set up a manual entry?

Good evening, im trying to set up rEFInd with windows and a linux distro called "pop os" since hours... got the Windows manual entry for refind working... but im stuck with the pop os refind one... ...
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50 views

Edit BOOTABLE ISO and retain MBR

I'm trying to figure out how to remove a file from a bootable ISO on Debian Buster. Problem is: all the answers I can find via Google (no doubt there's more that don't show and this'll instantly be ...
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1answer
50 views

Delete grub without losing one of OS

I have Windows 10 and Linux Mint in a dual boot, and want to delete GRUB (I don't like it) and instead open BIOS to choose which operating system to boot with. Is it possible to delete just the GRUB? ...
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1answer
35 views

How to set grub to load Linux automatically?

I tried installing arch Linux but got a problem when loading it the grub menu is opened now to run the distro I need to run the following commands: set root=(hd0,gpt9) Linux /boot/vmlinux.. root=/...
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41 views

GNU GRUB with Debian: can't find kernel nor vmlinuz [duplicate]

When I start Debian OS, all I get is GRUB2 and if I try using boot it says "you need to load the kernel first". I tried using linux /vmlinuz but it doesn't find the /vmlinuz directory. Sorry for the ...
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90 views

Boot problem with /boot partition on usb stick

So here's what I'm trying to do: I've left some free space on the main ssd of my laptop so I want to install a second distro there in an encrypted LVM and put the /boot partition on a USB stick so ...
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306 views

Grub issues on every boot; usually Error: invalid environment block

I recently re-purposed two old computers into one new machine, and installed Linux Mint 19.2. Now on every boot, something is wrong with GRUB. I know what you're thinking: Bad disk, replace ASAP. But ...
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22 views

What is the point that bootctl transfers two identical binaries to /boot?

As I was installing Arch Linux on my system I ran into an issue when installing the EFI Boot Manager. I am using the systemd-boot EFI boot manager. After configuring the loader/loader.conf and the ...
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187 views

Issues with booting Kali Linux on new AMD Desktop

I am having an issue booting up my Kali Linux VM I am running via VMWare Workstation. I am getting a ton of failures when booting up and never starts up. This is the first time I have tried running it ...
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1answer
31 views

Why can't / doesn't U-boot log messages for us to view later

I have a problem whereby a remote BeagleBone device is taking hours to boot up. When it does, I don't see any problems in the kernel boot logs such as journalctl -b or journalctl -b -1 Without ...

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