GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Boot messages over ethernet

I am trying to know the boot progress of a headless(no display) server. This tutorial teaches how to receive the boot messages over a serial cable. Is it possible to configure ubuntu to send boot ...
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First installation - Waiting for network configuration

I´ve tried installing Ubuntu for the past week. I was given an "old" Win7 HP ProBook 455 G2, but only if I deleted all of the old user´s files. Since I wish to run Ubuntu on it, I said it was no ...
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1answer
37 views

Windows doesn't boot after restoring grub

I've been trying to solve the problem on my own using this forum and others but I can't fix it. I had ubuntu and windows 10 installed and both worked fine. Then, a week ago or so, windows was updated ...
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30 views

Windows 10 update breaks grub

I have the exact problem as this thread: Windows 10 upgrade lead into grub rescue I wanted to comment on it but I am not allowed. I followed the top answer, and it worked, except for the last step, ...
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1answer
18 views

How can my system have two mountpoints?

I had Ubuntu 14.04 but accidentaly I upgraded it to 16.04, after It my OS was broken, so I decide to format my disk and install stable Ubuntu 15.10. During the installation from usb, I was informed ...
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18 views

how do I boot ubuntu on a dual load with windows10 on BIOS boot mode

On a preinstalled windows10 i installed ubuntu 15.04 on a free local disk which was completely installed but my problem is I cant seem to boot the the ubuntu . I installed grub2 on windows and it ...
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1answer
34 views

Triple boot, customize grub (Windows 8.1, Ubuntu, Zorin)

I have a Win8.1 laptop. I installed Ubuntu, and had the installer put it on it's own 50MB partition. I installed Zorin and did the same. I installed Grub Customizer on Zorin, and changed the list ...
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1answer
47 views

Grub is bypassed by Windows booter

Latest Windows update messed up with grub. I fixed it using boot-repair, but Windows was damaged as a result. So I decided to reinstall Window 10 by deleting all partitions and then installing from ...
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1answer
17 views

Can't access to the system after an update

Last night I got security updates notifications on my laptop operating under Ubuntu 14.04 so when I procede I got error message telling me that I need some 25Mo of space .. So as usual I made ...
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24 views

Ubuntu 14.04 server boots to grub> prompt

Hi I'm beginner Ubuntu guy and have installed Ubuntu server 14.04 on hyper-v running on windows 10. I was modifying my /etc/default/grub file to play with the hyper-v terminal window size. I did ...
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29 views

How do I install Ubuntu server?

So I purchased a server recently, and I want to install Ubuntu server onto it, as I am following this guide, (How do I install Ubuntu Server (step-by-step)), it's explaining to set the BIOS to boot ...
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15 views

grub rescue on server with lvm+raid1

I have grub rescue > prompt after a power failure. I do have a Ubuntu Live CD. Any procedures on how to install grub on this kind of setup. raid device - md0 boot partition - VG-lv1 raid devices - ...
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49 views

Setting nomodeset permanent to fix Nvidia problems

My computer is an Asus K501UX-DM085T with Intel i7-6500U as a processor and Nvidia Geforce 950m GTX as graphics. Booting the system with the kernel in "quiet splash" mode runs into a flow of errors ...
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8 views

Unable to boot - error: Diskfilter writes are not supported

I realize simliar questions have been asked here, but my problem is very urgent and those questions, while they provide solution for some, doesn't provide one for me. I also realize that this is a ...
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2answers
112 views

Installing Linux on a USB

So recently I bought a nice San disk slider 32gb usb so I could install linux on it and use it were ever I go. So I created a Bootable install usb on another usb I plug it in and launch the installer ...
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37 views

windows xp won't boot after installing ubuntu

so i installed ubuntu on my acer aspire one (an old computer) and it already had windows xp professional installed. i chose the option to have it dual install and now when i pick windows xp to boot ...
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32 views

Black Screen after installing ATI propietary drivers Ubuntu 15.04 64bits

I installed Ubuntu 15.04, I’m trying to install proprietary drivers because I need OpenGL 4. I have ATI mobility Radeon HD 5470 graphics 512MB. When I reboot my computer, I get a black screen after ...
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20 views

Grub displays wrong version of Windows after upgrading to Windows 10

I used to dual-boot Ubuntu 14.04 and Windows 7. I then upgraded to Windows 10. Grub still displayed Windows 7, but when selected would correctly boot into Windows 10. I deleted the old Windows 7 OS ...
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1answer
19 views

Dual boot partition accessibility problem

I recently installed Ubuntu 15.10 alongside Win 10. Got a 1 TB hard disk. Allocated ~200 GB for Windows and left the rest as unallocated space and installed Ubuntu in it. Now that ~720 GB is not being ...
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17 views

How to make ubuntu as default OS against Windows 10? [duplicate]

I have windows 10 and Ubuntu 14.04 installed as dual boot on machine. Everytime I boot into windows 10 it change the boot order in UEFI. In order to boot into Ubuntu I have to make change into BIOS ...
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32 views

Can't type passphrase to decrypt disk

Just wiped out everything on my Macbook Pro Retina Early-2015 (Macbook12,1 or something) and installed Ubuntu. Had to use acpi=off and nodmraid just to get the USB stick to boot. I wanted to have ...
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22 views

ubuntu partitions broken after installing windows 7

I had two ubuntu installation alongside windows7.After reinstalling win7 ,both ubuntu partitions were shown as "unallocated" --> I have tried ubuntu boot repair disk, but it didn't work. Using a ...
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1answer
30 views

How to recover dual boot of two Ubuntu 15.10 systems?

I can no longer boot into my Ubuntu 15.10 sytem. I'd like to know what I did wrong, and how best to fix it. I can fix it by restarting from scratch, but it would be better to know why it's gone pear ...
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32 views

Ubuntu 15.10 Bootable USB Drive gets stuck on loading screen on MSI GE70 6QE Stealth Pro

I'm having quite a bad time with Ubuntu and my new MSI GE70 6QE Stealth Pro. I'll be posting more questions regarding this laptop to try and solve other issues. But this is my first. The problem is ...
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50 views

Configurations needed for unattended-upgrades to run indefinitely?

What disk space and other configurations are needed so that you can trust unattended-upgrades to run unattended more or less indefinitely? I'm asking this to try to understand what went wrong with a ...
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49 views

Attempts of installing grub2 failed

Recently I got my laptop back from warranty service because the hard disk was fried unexpectedly. It just had Windows 10. I tried uninstalling the previous distro of Linux I was using before the ...
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90 views

Two GRUB instances after BIOS update and Windows 10 reinstall

I've setup a dual-boot of Ubuntu 14.04 LTS and Windows 10 successfully. I've been able to use both for months without any issues. I recently got various problems with my Windows 10 so I decided to ...
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70 views

problem when try install E: Sub-process /usr/bin/dpkg returned an error code (1)

root@Hima:/home/ibraheem# sudo apt-get install nmap Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: ...
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77 views

Installing Ubuntu 14.04 alongside Windows 7 Pro, with a dual GRUB boot, maintaining HP_RECOVERY (D:), HP_TOOLS (E:) and SYSTEM

I have Windows 7 Pro in an HP Folio 1040, with four default partitions: Click on the HQ image to zoom it. I would like to install Ubuntu 14.04.3 LTS alongside Windows 7 Pro. Booting from the ISO ...
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72 views

Double install of Ubuntu [duplicate]

First, I broke my previous Ubuntu installation and now it seems that I have made another mistake in the re-installation process. Now I don't know if it is my imagination or not but I can swear I see ...
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0answers
58 views

Can anyone help with installation of Ubuntu 15.10 on Zenbook UX305?

I have downloaded ubuntu-15.10-desktop-amd64.iso and have used a universal USB installer to create a bootable USB. Now when I try to boot from USB, it goes to grub>.
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1answer
52 views

Try to edit grub | How to make entry boot to Windows 10 rightly?

I'm trying to add Windows entry to GRUB2 on my Ubuntu 14.0.4 LTS. Although "Windows 10" selection is there, but it fails to boot and warns EFI invalid ... Below are a few screenshots I've ...
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22 views

Change the theme of Burg, from the command line?

How can I change the theme for burg without using the burg-emu or grub-customizer? I am just looking for a command to change the set theme for burg, I want to configure it on a new install from a ...
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1answer
34 views

How to prevent additional distros from installing their own GRUB boot loader

I recently installed Kubuntu 15.10 on top of a dual-boot with Ubuntu Studio 15.10 and Windows 10. Yesterday I removed the Kubuntu, as I felt it wasn't stable enough. As I had suspected, the Kubuntu, ...
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33 views

Ubuntu 14.04.3 - Can't boot after installation; blank black screen or stuck at “random: nonblocking pool is initialized”

I just built a rig (ASUS X99E WS mobo, intel i7 5930 CPU, MSI GTX 980ti GPU, 2x8 GB G Skill DDR4 2133 RAM) and have sucessfully installed Ubuntu 14.04.3. When I restarted the system though, all that ...
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19 views

On booting I get Grub menu instead of splash page

I am running Ubuntu MATE 15.04 on HP Spectre X360 [no dual boot] I have had troubles with booting and have been able to solve Software Updater Problems getting rid of redundant kernel files. I am ...
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1answer
40 views

Multiple GRUB installs with UEFI: how do they find their config?

According to Rod Smith's UEFI docs at http://www.rodsbooks.com/efi-bootloaders/grub2.html, grub.cfg can either be installed alongside grubx64.efi on the EFI partition, or left in /boot/ on a linux ...
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38 views

GRUB not recognizing Windows 8.1 partition

So, recently, I had a 40 GB partition on my computer that I didn't use. I wanted to install Linux on it, however, I ran into problems trying to install Fedora, Arch, and Mint. Ubuntu seemed to be the ...
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2answers
64 views

can't start lightdm without systemctl

i'm running ubuntu 15.04, nvidia card 970gtx, drivers installed manually using nvidias script. i have fake raid 0 to dual boot windows 7 and ubuntu. i also have 4 drives using mdadm for raid 5. ...
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2answers
57 views

Dual boot Ubuntu 14.04.3 LTS with Win 10 on separate hard drives

I installed 14.04.3x64 LTS on hd1 with Win10 existing on hd0, using a live USB. No secure boot, no BIOS only UEFI options were selected from boot options firmware on HP desktop. My intentions were to ...
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0answers
40 views

Sporadically unable to boot Ubuntu after being in Windows 10 session

I have a dual boot system configured with Ubuntu 14.04 and Windows 10. Grub is fine, shows both OSes and usually them both boot fine. However, sometimes the Ubuntu boot just hangs. This always happens ...
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22 views

USB not detected in EFI mode when trying to repair grub

I have an HP envy dv6 Notebook (windows 8.1) and I already have UBUNTU 14.04 LTS ainstalled. The issue is After installing ubuntu I when attempted to repair grub with the boot repair utilities on live ...
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24 views

Installing BURG on Ubuntu 14.04

I installed Ubuntu 14.04 on my external hard drive (sdb) and it has 3 partitions (1. for files, 2. Ubuntu, 3. Swap) I have internal hard drive (sda) with Windows 7 installed on it. I want to install ...
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0answers
37 views

Dual-boot Windows 10 and Ubuntu 14.04 on Samsung 950 m.2 installation issues

Recently bought new samsung m.2 drive model number MZ-V5P256. I have installed windows 10 on it without issue and am tired of running Ubuntu as a VM. First attempting to install using USB installer ...
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17 views

Trouble with windows 10 and ubuntu on separate ssd

I have Windows 10 installed on a 120 GB SSD and Ubuntu Studio installed on a 240 GB SSd. Both are installed, I'm able to boot into either of them through the boot menu. However twice now while in ...
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20 views

Dual Boot Backup Strategy - Straight Clone

I hope I'm asking this in the right place. Let me know if I'm not and I'll move it. For backup purposes, I've used Clonezilla to clone my laptop's dual boot HD (Windows7/Ubuntu 14.04) to an external ...
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0answers
29 views

How use the grub rescue to repair grub

I have a lenovo thinkpad e420 and dual boot Ubuntu and Windows 7. I wanted to upgrade to Windows 10 so I made a win10 install disc and tried installing it in an empty ntfs partition. After waiting ...
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0answers
20 views

GRUB_HIDDEN_TIMEOUT not hiding the menu?

I'm dual-booting Ubuntu 15.10 and Windows 10, but since other people use this machine I want it to go straight into Windows by default unless I manually go into Ubuntu. The "hidden" option seems to be ...
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22 views

GNU GRUB Version 2.02

I have double boot running windows 8 and mint. Today when i started pc , it did not asked me which system i wanna boot but instead throw GNU GRUB Version 2.02~ beta 2-9 Minimal BASH-like line ...
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1answer
33 views

GRUB shows apurple screen when trying to boot windows

SO guys. Recently I'm having a weird problem. I had my windows 10 and Ubuntu set up in dual boot for nearly one month. Two days ago for some reason, I clean installed windows and as expected, I ...