This tag is ambiguous: use grub2 or grub-legacy as appropriate.

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Is it possible to boot USB device from GRUB?

When working with remote computers or when there is no keyboard, it is sometime useful to be able to remotely (SSH, for example) order boot to another device. Ordering boot to another operating system ...
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207 views

Dual boot from windows 10 and antergos doesn't work

I've installed the Antergos linux right now for x2 or x3 times.... On every time after I've finish the installation and I reset the PC.. It enter on Windows 10, every time... So, know anyone how can I ...
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2answers
86 views

Setting Windows 7 to active partition

Currently, I have grub as my bootloader. Windows runs on a slave hard drive and Ubuntu is on the master. I need to set Windows to be the active partition because it requires this for the installing ...
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1answer
2k views

Dual Boot Windows - Linux Mint grub menu not appearing at startup

I have Windows 10 operating system on HP Pavilion laptop not very old. I have installed Linux Mint on another partition and both the operating systems work fine (I am able to use both of them). My ...
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1answer
55 views

Deleted Sudo and Can't Access Grub

I deleted sudo, and I can't access grub so that I can restore it. I have a bad feeling that I don't have grub. Is there any possible way to restore it? apt-get doesn't work on my computer either.
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1answer
60 views

which live/rescue disk it is which gives you an option to boot into your GNU/Linux OS without grub?

I remember a live CD/DVD where I could just boot into my GNU/Linux partition in case your grub was shot. The simplest thing was once in your GNU/Linux partition, install grub-pc and its brethen and ...
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0answers
28 views

How to set grub command for other distros on Ubuntu

I am currently running Ubuntu and Fedora on the same system. I am using the instance of grub which came with ubuntu to select which one to use when I boot. I need to add rdblacklist=nouveau to the ...
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2answers
4k views

Install Kali on USB for UEFI and legacy-bios simultaneously

Here is the prologue: I just purchased a new tablet, called Wintron 10.1, made by trekstor. It is shipped with a solded 32 GB ssd-similar harddrive and preinstalled Windows 8.1-Bing. I already have ...
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1answer
113 views

Linux Mint Debian Edition: GRUB Error: file '/grub/i386-pc/normal.mod' not found

I am new at Unix & Linux OS. (Also I am new at another things about computer science.) There occurred very annoying error about GRUB. I installed LMDE on my computer using LMDE official live usb ...
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1answer
379 views

Grub won't boot after Linux installation

After getting fed up with Ubuntu because it wouldn't boot grub, I decided to use the distro Elementary OS. Elementry OS won't boot grub either. I'm not dual-booting, and I've installed Ubuntu in the ...
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1answer
801 views

How do you write a grub.cfg menuentry for Debian Netinst (8.2 as of writing) to boot via USB?

I keep several Linux distros on a USB stick and manage them by simply writing grub.cfg entries for each distro. The other distros I keep on the stick boot and run just fine, but I (and others, it ...
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1answer
362 views

How to make GRUB resume from hibernate in a dual boot PC

I have a laptop running two different GNU/Linux-based operating systems. Each operating system has it's dedicated root and home partition, but share the boot and swap partition. They both work quite ...
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0answers
124 views

Installed Scientific Linux (Win7 already installed). Can't load Windows

I created an empty partition in Windows 7 before I installed Scientific Linux 7 from an ISO burned to a DVD. Now I do not get the option to load Windows. I did not overwrite Windows. If I go to the ...
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1answer
59 views

Is it safe to move partitions like that?

I have SSD with installed both Windows 8.1 and Ubuntu 14.04. Windows has it's own UEFI starting partition and Linux has Legacy BIOS one. I would like to completely scratch Windows installation from ...
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0answers
147 views

Arch won't boot into grub on HP Elitebook, but does everywhere else

So this is not my first time setting up arch on a system. But for some reason this here is not working. I have an HP Elitebook 2560p, I already had Fedora 22, Ubuntu, Centos and other Linux distros ...
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1answer
75 views

Can grub load a kernel from HTTP?

Typically the kernel file is loaded via disk. Questions Is it possible to load it via HTTP/HTTPS? If so how?
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1answer
179 views

Arch Linux: GRUB does not load after installation

I have installed windows 10 in my laptop in BIOS Legacy mode.I have 3 primary partitions including the Windows partition and have extended partition with 2 more logical partitions. Now for installing ...
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0answers
252 views

Rolling Grub2 back to Grub on Debian Jessie (8)

I'm trying to run 'grub-install /dev/sda', it stays stuck on 'Searching for GRUB installation directory ... found: /boot/grub' after leaving it for an hour, nothing happens. I have tried removing all ...
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1answer
150 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution on x86 systems? I guess it's in an assembler file since this is very low architecture stuff. I ...
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0answers
258 views

Changes in grub customizer doesn't have any effect in Manjaro

I've just installed Manjaro Linux and wanted to customize the boot menu with grub customizer as I'm used to in Ubuntu. But if I save the changes and reboot the changes are not reflected in boot menu....
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0answers
174 views

Dual Boot Configuration with SSD and HDD

I'm very new to Linux. I have been using Windows/Mac during my whole life, but now I have decided to use Linux. So I'm trying to configure a dual boot system with Windows 10 and CentOS 7. I already ...
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2answers
324 views

Boot process stops until PS/2 key presses?

I'm working on an embedded product based on Gentoo linux 3.6.6 running on a Mini-ITX motherboard. We're looking at switching motherboards (from a Jetway NF9D-2550 to an Advantech EIMB-214), and to ...
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0answers
36 views

Grub2 fails to load on an AMD cpu

I have built a linux image with GRUB2 as its boot loader and written it on an IDE hard disk. When I put it in a computer with Intel cpu, it works fine. But putting it in an AMD cpu computer, it even ...
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0answers
203 views

Default kernel (non-lts) not found on grub list

I'm using ArchLinux 64-bit, the linux installed correctly: $ pacman -Q | grep linux archlinux-keyring 20150605-1 lib32-util-linux 2.26.2-1 libutil-linux 2.26.2-1 linux 4.1.5-1 linux-api-headers 4.1.4-...
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59 views

What are the steps to migrate from GRUB to GRUB2?

I have a fresh installation of Scientific Linux6/RHEL6/CentOS6: I have /boot with boot loader and / with all else (which are sda1 and sda2 partitions of one hard drive, on a fresh, real system). I ...
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0answers
80 views

How to downgrade Grub legacy in a Linux image

I have a 1 Gbyte image of installed Debian 7 which I have made it myself by copying all the needed files to it. There is only one partition in it named hda0. I have mounted it to loop0p1. I had ...
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1answer
67 views

How to add entry for bootable external drive partition to internal bootloader?

I created a bootable partion on a Toshiba Canvio 2 for LinuxMint, leaving one other partition of same size for possibly another install in the future and the rest of the drive is for storage and back ...
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0answers
722 views

Grub cryptdevice with changing device names?

I feel this is a stupid question. I have an encrypted Arch setup (without LVM) were a single disk (sdc) contains an unencrypted boot partition and the encrypted root partition. Below the output of ...
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0answers
27 views

Grub screen on HDD_A after Linux install on (another) HDD_B, how to fix?

When I start my machine (linux mint), I get this Grub screen (http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2015/02/Boot_Repair_Ubuntu_Linux_1.jpeg): GNU GRUB version 2.02~beta2-...
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1answer
513 views

Operating System not found after installing Redhat 6 on Windows 7

I have installed Red hat with Windows 7, now I can use the Red Hat OS but not Windows 7 I'm getting boot options as Linux and Other, but whenever I select "Other" boot option, I'm getting message as "...
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63 views

ecryptfs error leads to unknown filesystem on grub rescue

I have a Lenovo Thinkpad with a dual boot for Ubuntu and Windows 7. While in Ubuntu I closed the lid to the computer (which doesn't put Ubuntu to sleep) and went out to run some errands. I come back ...
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1answer
392 views

how to completely blank video output on boot (no kernel logging, grub output, etc.)

So, this is an inversion of the classic question: "Why is my terminal blank on boot?" -- How do I make my terminal blank on boot? I'm creating a Debian Wheezy system with GRUB as the boot loader that ...
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0answers
124 views

Dual boot PCBSD - Windows 7

I am using PC-BSD 10.1.2. I ran the command without adding the Windows partition configuration file as result: # grub-mkconfig -o /boot/grub/grub.cfg Generating grub configuration file ... Found ...
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2answers
195 views

GRUB, device not found, root delay problem

My Kali suddenly froze, when I reset my computer, I started getting GRUB's device not found error. After disconnecting and reconnecting my HDDs many times, I finally got it to a state where GRUB's ...
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1answer
43 views

how do I make a grub boot disk with multiple boot images

How do I use commands (I'm doing everything on Ubuntu) to create a bootable usb that displays a grub menu automatically when booted from, on that grub menu lists some boot images (downloaded from http:...
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1answer
277 views

Booting from CD in CentOS

I am trying to modify the grub boot manager in my CentOS machine so that it can boot from a CD-rom. The method I am most familiar with (and the method that all of my Google searches tell me to do) ...
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1answer
336 views

Problem booting Ubuntu (or any OS), even after doing clean installs

Summary: OS (Ubuntu / Windows) installs fine, but when the time comes to restart and boot, it doesn't boot. (Gets stuck; screen blinks and I am still at boot selector). Can boot to a live ...
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1answer
40 views

Sound is gone after booting system in text mode

I started using GRUB_CMDLINE_LINUX_DEFAULT="text" grub argument for my boots, and recently noticed that the sound is missing. I start GUI from terminal using startx command, here's my .xinitrc file:...
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0answers
13 views

Error: no such device after removing ZorinOS (Ubuntu based) on Second hardrive

I had windows on my first hard drive and then installed ZorinOS (Ubuntu based) on my second hard drive. I removed it like Zorin said but now I get the No such device error no matter which drive I boot ...
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0answers
546 views

Full Linux Install On USB Drive - GRUB Problems

I recently bought a new laptop and decided to install Kali Linux on it. However, the laptop (an Asus Zenbook btw.) has a 128GB drive which is not very much. That is why I bought a 64GB, SanDisk, flat-...
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2answers
116 views

Reinstalling Debian: ext4 partition is not primary

I previously had a grub bootloader with crunchbang and win7. Since then I reinstalled win7 which now boots it automatically. I stuck in a Debian install CD that brings me to the stage in the above ...
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0answers
47 views

Boot live img files in grub

I've compiled a purely 32-bit version of Android that I'm attempting to boot on a device with a 32 bit UEFI. How the heck do I configure GRUB2 to load a live img file? The image file contains the ...
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0answers
166 views

How to install a CentOS image manually?

I am moving my project from CentOS 6 to CentOS 7 and need to deal with the changes in the boot requirements introduced by CentOS 7, particularly the upgrade from grub to grub2. The gist of the problem ...
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0answers
300 views

After installing Kali Linux next to Windows 8.1, I can see it (using rEFInd), but it cannot boot

I have an MSI laptop that came with Windows 8.1. Originally, I wanted to get Ubuntu on it using dual boot, because I need both windows only and Linux only tools for my studies. I do not remember the ...
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1answer
132 views

UEFI and LVM causing BIOS to hang under various conditions

Using Fedora 23 with LVM on a Toshiba C50-B-021 laptop with UEFI, the BIOS will hang on boot every time: the computer runs out of battery, it is turned off for more than a few seconds, a new ...
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1answer
65 views

I tried to resize an ext4 partition and now the VM is not working

I tried to resize the primary ext4 partition and I think that i forgot to set the primary partition as bootable. Now the only thing I see from the VNC is the grub. I used fdisk to resize and ...
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1answer
396 views

RAID boot drive not found after mdadm upgrade

I was having trouble getting a new RAID array to assemble on startup, and before anyone responded to that post, I tried updating mdadm, but this ended up taking a very long time because of all the ...
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0answers
21 views

Grub: show menu with arbitrary key combination

I want to hide the grub menu at boot, and show it when a particular key combination is pressed. For example I want the grub menu to appear only when a+b+c keys are pressed. (I am using Debian 8) Now ...
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0answers
59 views

How to boot Linux Mint from a CD

I want to boot Linux Mint from a CD but when I boot from the CD, all i get is a GRUB window where i can select to boot Linux Mint. I clicked to boot Linux and i get a screen with error cant read ...
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1answer
629 views

Syntax error in grub.cfg on update-grub (Grub 2) (memtest86+)

When I run update-grub or I try to reinstall it, I get a "syntax error". The output is somewhat like this: error: syntax error. error: Incorrect command. error: syntax error. error: line no: 262 ...