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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How to make Ubuntu 14 more tolerant of power cut

We are developing an industrial machine running Ubuntu 14, with no keyboard or monitor. We have found that if power is lost during boot then at next boot the boot sequence waits for a keyboard entry ...
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11 views

After install I got “no such device”, now what do I do? [duplicate]

After installing from a USB stick in a way that would enable either Windows or Ubuntu to boot, I get "error: no such device: " and it puts me into rescue mode. What can I do to get the boot record ...
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1answer
28 views

Migrate root filesystem from btrfs to ext4

I want migrate a Ubuntu installation off of btrfs as root because it frequently hangs and causes out of space errors and I really don't need the snapshots. The partition was created empty and not ...
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0answers
13 views

Cannot boot to Ubuntu, Powercap/SELinux Issue

I am running Ubuntu (well, Lubuntu, really) on my home server, and all was tickety boo until a few days ago, when the OS stopped booting. Not being able to SHH in anymore, I hooked it up to a monitor ...
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1answer
15 views

how to do I force-yes on fsck

I have bunch of headless ubuntu server instruments. When various hardware changes happen sometimes we get this error. I'm guessing it was a motherboard replacement that had a slightly different RTC ...
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0answers
36 views

How to add Windows 8 grub entry?

I've installed Ubuntu 14.04 as a dual boot with Windows 8.1. But my PC directly boots into Ubuntu. That is why I did a boot-repair->recommended repair. But all I got was grub menu with an option to ...
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0answers
40 views

Grub Bootloader installed twice while dual booting ubuntu and windows 8.1

This is an odd situation: I bought a brand new hp desktop that came with windows 8.1 installed. I used the automatic option in the Ubuntu installer labeled "install alongside windows". It all ...
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0answers
30 views

Boot into Busybox instead of Lubuntu

I am using Lubuntu OS on a virtual machine (VMWare Player). Today, my VM was booting into the GNU GRUB version 2.02 instead of Lubuntu as usual. I was following this instructions and now I'm stuck at ...
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2answers
36 views

I upgrade lubuntu 14.04 after upgrade I get ubuntu and fail system

i working with linux long time, but this situation is for me big surprise. Actually running on Lubuntu 14.04 LTS. After writes this command: sudo apt-get upgrade, in terminal all worked right. But ...
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3answers
48 views

GRUB not showing windows 8.1 already installed

Actually there is a similar question on the community before as well but what I am facing is a different problem. Also there the person has not properly posted the status of his grub. Actually I ...
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1answer
34 views

Problems installing and dual booting Ubuntu 12.4, 13.10, and 14.4.1 via pendrivelinux?

All righty, I am a bit new at this, so bear with me. I've been using windows for a long time and have a decent amount of know-how with it's interface, and I decided I wanted to try out some different ...
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0answers
9 views

USB GRUB boot HDD -or- The Upgrade parachute

I have a question... I'm upgrading my laptop's HDD to an SSD. Starting basically from scratch (just backing up and partially transfering /home and stuff), but there's software I have installed (such ...
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1answer
27 views

GRUB not installed correctly by ubuntu server manual process?

symptom: can not boot from SSD after installing ubuntu server 14.04. BIOS menu keeps returning back. No dual booting. setup: Lenovo T430s with windows 8 preinstalled. BIOS boot menu supports both ...
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0answers
47 views

Dual boot - Ubuntu Live makes Grub disappear - Windows 8.1 with Ubuntu 14.04

I have setup a dual boot (Windows 8.1, Ubuntu 14.04 with LVM) with the Grub menu having Windows as default, working just fine. However, every time I need to boot again from Ubuntu CD live, it messes ...
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0answers
44 views

Can no longer boot after a restart

I was prompted to restart my computer to install updates and when I did, I found myself staring at the grub rescue prompt. I have tried boot-repair, but it gets hung at "purging and installing last ...
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0answers
25 views

I have to go through grub and windows bootloader to get to windows, can i change this?

I got a new SSD,on which i installed Windows 8.1, and had Ubuntu on my second hard drive .Now when I boot up my computer boots to GRUB where I can either boot to Ubuntu or to Windows. If I click ...
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0answers
12 views

grub 1.99-2 does it do timeouts?

Have seen advice to edit /etc/default/grub and run update-grub (I tried to change GRUB_TIMEOUT from 10 to 3). But it looks as if grub is not implementing the timeout, it sits there waiting for me to ...
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1answer
20 views

grub.efi doesn't boot but shim.efi does

I have dual boot(Ubuntu 14.10 with windows8.1) I had got grub rescue>unknown file system and I used boot-repair to solve it. I removed the grub files and boot-repair gave some codes that I ran on ...
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0answers
20 views

How do I remove Grub without a USB or Recovery DVD? [duplicate]

I'm dual booting Ubuntu 14.04 and Windows 7 and I want to know how I can remove Gnu Grub and have it go straight to the default Windows bootloader. I do not have a recovery DVD and the USB drive I'm ...
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0answers
15 views

REturns to win7 after reboot @ubuntu install

So I thought it be cool to give a try at Ubuntu. Did a clean install first of Win7 onto my new SSD. I than partitioned 40gigs for Ubuntu. I made an USB drive with Ubuntu on it, booted from it. ...
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1answer
49 views

14.04.2: gave up waiting on root device

I've just installed 14.04.2, and after selecting Ubuntu in grub I get dumped to an initramfs shell. The error reads gave up waiting on root device. The device it's trying to mount by UUID, hosting ...
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1answer
42 views

Is there a way to boot into grub on a mac rather then OSX?

I have successfully installed Ubuntu 14.04.2 on a Mac Mini(late 2014).Now I can get to the new installation by pressingAlt > EFI BOOT to get to GRUB and selecting Ubuntu to boot the OS. My question ...
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17 views

How to get back on windows 8? [duplicate]

I have tried to install Linux Mint, but my laptop doesn't allow it. It is a Toshiba laptop. Firstly I tried to install ubuntu, but it didn't accept the install. Then windows 7, and after that ...
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1answer
41 views

ProLiant Microserver Gen8 clean install drops into grub rescue shell

I've just bought a new HP ProLiant MicroServer Gen8 a few days ago, and have been trying to install Ubuntu Server 14.04LTS on it since then, but I'm having an issue where it's not booting after ...
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0answers
55 views

Can't boot WIndows 8.1 after using boot-repair-disk [closed]

I was unable to boot into Ubuntu 14.10 that I recently installed on a 250GB partition on an external hard drive because of some grub errors, so I ran boot-repair, which allowed grub to show up again ...
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2answers
37 views

How to install “plymouth-greeter”?

I'm bored my plymouth, and i would like to change this. I found on the internet nice script. https://launchpad.net/plymouth-greeter When I try install this i can't but it is rly old. I use Ubuntu ...
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1answer
52 views

Black screen after plymouth at ubuntu 14.04 [duplicate]

Recently my Ubuntu 14.04 LTS stopped going further than plymouth. It goes like this: Process BIOS process grub menu ( I choose 1st option called Ubuntu) black screen for couple of seconds plymouth ...
3
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1answer
34 views

GRUB Aesthetics

Quite a while ago, when I was just getting into Linux, I used openSUSE as my distro. One thing I recall was that the boot loader screen (it was what is now called GRUB Legacy) was a lot more pleasant ...
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1answer
37 views

Grub not coming up when laptop starts

I had dual booted my laptop with windows and ubuntu 14.04 and it was running fine only until my windows was infected by virus and so I had to refresh it. After refreshing when I restarted my laptop my ...
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1answer
23 views

Strange text output when booting

In the last few days I've got strange warnings(?) when booting. Furthermore sometimes my notebook doesn't even start ubuntu or grub, then it simply shuts down or UEFI gives me the possibility to boot ...
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0answers
22 views

triple-boot pc: move grub and unify partitions

I have a triple-boot pc with following partitions: sudo fdisk -l Disk /dev/sda: 750.2 GB, 750156374016 bytes Device Boot Start End Blocks Id System /dev/sda1 * ...
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1answer
48 views

How to dual boot between Windows 7 and Ubuntu? [duplicate]

I have installed Windows 7 a couple of years ago, now install Ubuntu for academic purposes, partition the disk and perform other procedures in the installation. But when I restart the computer I can ...
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0answers
35 views

Windows partition encrytped ,unable to boot from grub menu

I added a window 7 entry to 40_custom under /etc/grub.d . The windows entry appears in the grub menu after a grub update , but when I click on the windows option, I get an invalid signature . I used ...
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0answers
22 views

how to fix this error code for ubuntu

Hello everyone i have alot questions to ask first 1) i want to fix this error. This error happen when i was trying to make grub menu always show up when i turn my conputer on and so. The reason why i ...
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0answers
57 views

Can not boot Windows 7 after install Ubuntu 14.04

Hi I am having problems for booting windows in latest ubuntu 64 bit which boots normaly, its a laptop and never had windows installed and uses UEFI and Legacy modes. This is part of the ...
0
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1answer
31 views

Grub2 doesn't show Windows 7

I did reinstall UBUNTU 14.04 after having some issues with grub, the problem is that I can't access to my windows 7 anymore as the grub menu shows only Ubuntu partition. P.S/ during the ...
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vote
1answer
25 views

Trying to do an Ubuntu/Windows dual install but only Windows 7 pops up

So I've been running Ubuntu without Windows. I got a Windows 7 live CD and tried to do a Windows 7/Ubuntu dual boot but I couldn't get the boot to load correctly so I decided to go back to just ...
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0answers
14 views

Issues with BootRepair and GRUB [duplicate]

I have got a new Acer net book with Windows 8 and EUFI on it. The first thing I attempted to do was install Parrot Sec Linux, and I did so with a boot able USB created with Win32DiskImager. I was able ...
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votes
1answer
13 views

Can't boot anything

I'm selling my laptop, so i decided to erase my Ubuntu partition, so i got the grub screen, at that point i could still access the boot menu trough initrd, but after following a tutorial in how to fix ...
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0answers
13 views

Logging into my user account sends me back to login. Xserver? [duplicate]

Solved Running sudo startx must have changed the ownership to root so ownership must be taken back. At the login screen press Ctrl+Alt+F1. Enter your credentials to login then enter ls -la and you ...
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0answers
29 views

GRUB2 does not boot Windows 7

I run a dual boot system with ubuntu 14.04 and Windows 7 64-bit. When my Windows refused to un-hibernate, i pressed the reset button and booted ubuntu. Now, when I select Windows 7 in GRUB2, i get ...
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0answers
15 views

fdisk /dev/sda fail, possible to restore?

I'm new here, so I hope I post this in a place where someone is able to help me. Earlier today I was messing around with fdisk to be able to run my windows partition through a VirtualBox. At a point ...
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1answer
22 views

Grub from Ubuntu 12.04 to Ubuntu 14.04 32 bit

My Grub says Ubuntu 12, but I already have Ubuntu 14.04. Why does it say that the version is 12?There are too many options in the Grub menu, how can I clean it?
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1answer
29 views

Ubuntu-gnome now alone on harddrive, how to remove multiboot menu [duplicate]

I want to remove all trace of multi-boot now and make Ubuntu boot up without grub that was installed when Windows 7 was there. Now Windows 7 is gone but not the boot menu. How do I remove this?
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1answer
48 views

boot from USB drive Ubuntu or Windows 8

As security I would like only when I have the USB drive plugged in the laptop to be ask if I would like to boot my Ubuntu desktop otherwise to boot my installer Windows 8 . Could anyone let me know if ...
0
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2answers
90 views

Install Ubuntu 14.10 on secondary UEFI partition

Trying to install latest Ubuntu desktop release 14.10 on a new system with 64-bit Intel X99 motherboard having UEFI firmware. For the installation I am using a USB EFI formatted live USB stick. My ...
0
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0answers
17 views

Incomplete boot, but not every time [duplicate]

I have an old PC with 12.04 LTS on it, used headless for NAS. It's set in the BIOS to boot on AC application and grub2 is set to continue after a 10 second wait time. Every "X" number of boots (less ...
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0answers
21 views

Grub menu flashes with USB keyboard - cannot select

I'm having issues with the grub menu using a USB keyboard on a new 14.04 install (dual booted with windows 8.1). The menu appears, but when I try to navigate down, to say, select windows, the cursor ...
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0answers
21 views

How do I only install ubuntu 12.04 in hp z400 workstation?

I am trying to install ubuntu 12.04 in hp z400 workstation which has windows installed before. When I tried to install ubuntu, I got this error: “Unable to install GRUB in /dev/sda”. When I chose ...
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0answers
24 views

Ubuntu 14.04 Wubi installation; Ubuntu found critical errors in /

So, the other day, Windows was falling apart and I used Wubi to install Ubuntu 14.04. I then used another program which let me put Ubuntu as the default OS. But, unfortunatly, no boot manager comes up ...