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 do I get a live-USB to use a partition for persistence?

I want to install Ubuntu to a USB hard drive so that it will run on all systems, that can run the LiveCD and store persistent data on a regular ext4 partition rather than a casper-rw file. In every ...
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4answers
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How can I rearrange the order of OSes in the boot menu?

I installed Ubuntu 10.10 with Windows 7 Ultimate in dual boot configuration. Everything seems to be working fine. I have a small doubt, is it possible to Re-arrange the Boot menu that appears when you ...
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How to fix splash screen in all Ubuntu releases!

How to fix black splash screen or broken splash screen after installation of nvidia proprietary drivers in Ubuntu (it happens usually in all Ubuntu releases)? It's no matter what version of nvidia ...
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How to restore Windows XP menu entry in GRUB?

I'm using Lubuntu with WinXP in dual boot for several weeks. Today I've ran update and GRUB now does not show WinXP menu entry in GRUB. sudo update-grub didn't found Windows. /boot/grub/menu.lst - ...
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How to boot into Windows 7 when grub is installed in the Windows partition?

Original title: How can i solve (un)booting windows 7 on the same partition with grub? I've been researching for 2/3 days about this problem and I have came up empty. Basically, partition 1 is ...
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How can I add the Memtest86+ options back to the Grub menu?

After having installed the 64bit version of Ubuntu 12.04 on my Lenovo B570 I ran into the same problems I had when installing 11.10 with Grub not playing nicely with a uEFI system. I used the same ...
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Unattended grub configuration after kernel upgrade

Today I have been working on automatic deployment of an ubuntu server. I got stuck on automatic updating of the server using apt-get upgrade trying to upgrade to a new kernel. The log looks like this: ...
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“invalid EFI file path” while booting Windows [closed]

I just got my new working notebook with Windows 8 pre-installed. After installing Ubuntu 12.10 the grub menu says that there is an "invalid EFI file path" and it won't boot Windows. Ubuntu works ...
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How can I add an entry for Ubuntu to the Windows 7 boot menu?

I have the following setup: first partition is windows 7 partition second partition - ubuntu 12.04 partition while installing ubuntu I installed grub2 bootloader to ubuntu partition mbr contains ...
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1answer
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Booting Ubuntu Failure : error: attempt to read or write outside of disk 'hd0'

I have installed Ubuntu 12.10 in a Western Digital external hard drive (320GB). This is a complete installation, not a live USB. When I plug it in my HP desktop I go to the BIOS settings and boot off ...
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4answers
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Grub does not autoboot the default option after upgrade to 12.10

I recently upgraded Ubuntu from 12.04 to 12.10 and since that time, the system does not automatically boot. It always opens the boot menu, and I have to press Enter to make it boot Ubuntu. It seems ...
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Booting Ubuntu 12.04 with “acpi=off” grub parameter

In order for me to boot into 12.04, I have to add the parameter acpi=off in grub. Any other options as specified here do not allow me to boot into Ubuntu. My question is simple, what does setting ...
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How can I “reboot into” the non-default operating system in a dual-boot configuration?

When I need to use Windows, I: Reboot Wait for the Grub boot menu to appear Choose the Windows menu item in Grub Is there a way to just "reboot into" Windows so that I don't have to stay at the ...
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Why does grub store multiple kernels?

Is there some sort of best practice around removing them (when/how/why)? What is the point of keeping them around in the first place and why would you even put them in grub? I guess there is not a ...
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4answers
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How do I reduce the number of wait seconds grub waits before launching ubuntu 10.10? [duplicate]

Possible Duplicate: Decrease GRUB timeout I have a dual boot configuration with ubuntu 10.10 and windows. What's the best way to configure grub so that the wait time is 2 seconds instead of ...
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How to restore Windows 7 MBR without a CD

I have been playing with Ubuntu for a few weeks now, and I'd like to revert my computer back to it's original - factory - defaults. On the computer I have a recovery partition (it's a netbook). I ...
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2answers
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How do I edit GRUB menu [duplicate]

I have a dual boot on my computer of Windows 7 and Xubuntu 12.10. The Linux boot is 1st and the Windows 2nd. I would like to reverse the boot order in the GRUB menu. I need to know the steps to go ...
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1answer
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How can I load Ubuntu when all I have is Grub?

So I have upgraded Ubuntu with the latest Kernel. But after the upgrade and after I rebooted Ubuntu, all I get is GRUB. How do I load Ubuntu again when all I have is GRUB? I installed Ubuntu using ...
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How can I stop windows from always booting first?

I tried to make a dual boot setup on my computer. Already had windows 7 installed on one hard drive, then tried to install ubuntu on part of another hard drive. When i turn my computer on windows7 ...
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6answers
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How do I make Windows 7 the default OS instead of ubuntu?

I was following this guide: http://www.howtogeek.com/howto/ubuntu/set-windows-as-default-os-when-dual-booting-ubuntu/ in order to make windows the default os when I boot the computer but the problem ...
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2answers
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Purple start screen - no splash screen

After installing Ubuntu 11.10 on a new computer everything worked fine for a few weeks and now suddenly when starting up Ubuntu I get a blank purple screen with no "Ubuntu" splash and the 5 dots but ...
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Cannot find GRUB configuration file

I have been looking for the GRUB configuration file, and I haven't had much luck. According to the sites I found, it should be at '/boot/grub/menu.lst'. But, I went to that file path, and could not ...
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Make bootable Win8 USB on and for Ubuntu MacBook

(Some time ago, I bought a new HDD for my MacBook 2,1. I put it in and installed Ubuntu on it, using a CD. Everything went fine, didn't have to setup any special Apple stuff, didn't need to bless my ...
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654 views

Installing Windows after ubuntu on a separate HDD?

I have Ubuntu 11.04 installed on my machine and I would like to install windows 7 as well. I heard that Windows 7 creates an additional partition along with the normal one and I was afraid that this ...
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3answers
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Windows missing from GRUB menu [duplicate]

When I turn on the computer, I can see the GRUB and boot into Ubuntu. But I can't boot into Windows because I don't see it in the GRUB. I have tried both boot-repair and sudo update-grub to no avail. ...
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The grub can be scheduled? This means: changing default 'entry' (auto login) at defined periods of time automatically?

For example: 00:00:00 to 06:00:00 -> Slitaz 06:00:01 to 13:00:00 -> Ubuntu 13:00:01 to 19:00:00 -> Fedora 19:00:01 to 23:59:59 -> openSUSE Can grub change default 'entry' automatically? ...
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Ubuntu became Kubuntu after upgrading to 13.04!

I recently updated my Ubuntu 12.10 setup to 13.04 using sudo do-release-upgrade. After going through the process and rebooting, I was a little confused by the GRUB menu showing a "Kubuntu" option ...
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5answers
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Install Ubuntu 10.10 server from USB (with GRUB4DOS)

I have had no problem installing Ubuntu desktop when I boot off a live USB, but the server version has given me some trouble. I think it has to do with the way GRUB handles drivers. When the server ...
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1answer
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How to install grub on usb flash drive?

I was wondering if I could make an os-selecting-hardware-key or something like that. I'm currently using a dual boot system (ubuntu 10.10 + win7) and i want to use an usb drive to specify the OS I ...
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3answers
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Why isn't Grub2 using custom resolution?

I hope somebody can help me with this... Running Ubuntu 12.10 GNOME Remix I am trying to get Grub2 to use a resolution of 1600x900... I have checked vbeinfo and hwinfo --framebuffer which both ...
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2answers
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How do I get my USB keyboard to not freeze up in the recovery menu? [closed]

I am using Ubuntu 11.10, and whenever I enter the recovery menu, my keyboard freezes and I can't make any selections. I have tried using GRUB_PRELOAD_MODULES="usb usb_keyboard" but this doesn't help ...
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3answers
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Can't boot into Ubuntu after installing Windows [duplicate]

Possible Duplicate: How can I repair grub? (How to get Ubuntu back after installing Windows?) Recently I reinstalled Windows XP on my laptop which also have Ubuntu 9.10 installed, but after ...
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3answers
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Unable to boot into 11.10 in normal (get a black screen) OR recovery (get just a flashing cursor, no cli)

Okay, so I had a dual boot of Tango Studio (based on Ubuntu 10.04) and Windows XP. Yesterday I downloaded the .iso for Ubuntu 11.10 and attempted to install from a USB (my BIOS won't normally boot ...
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1answer
593 views

Can I control which session I want to login at Grub loading?

Is there a way by which I can choose if I want to login to ubuntu(unity) or ubuntu classic at grub loading it self. I have autologin enabled and I want to choose the session at the starting. Or is ...
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6answers
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Change boot entry names and grub background?

How do i change the names of the boot entries and the background of the boot menu?
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3answers
17k views

How to know the version of GRUB

How can I see the version of GRUB that is running in a particular Ubuntu version. A terminal command that can tell me.
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3answers
6k views

Ubuntu 11.04 stops booting at grub console

I did a fresh install of ubuntu 11.04, then I installed Windows 7. So I decided to fix the grub after win7 install using the ubuntu 11.04 Live CD. Disaster: instead of $sudo grub-install ...
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How can I show all kernels in the Grub2 menu, ie disable submenu (“Previous Linux Versions”)?

Is there an easy way to disable Grub2 new submenu structure? I'd like to have back the old structure (each option as a menuentry) where each kernel is visible and selectable on the fly. I've already ...
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3answers
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How to select GRUB install device

I apologize in advance for asking a question I suspect is very, very simple. I just got a dedicated server running Ubuntu and I'm using SSH to access it. I ran sudo apt-get dist-upgrade and got the ...
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3answers
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Ubuntu does not put Fedora into GRUB menu

I have installed a number of operating systems, including Fedora. Most recently I installed Ubuntu, and Ubuntu installed its own version of the GRUB bootloader. However, Fedora does not show up on the ...
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3answers
4k views

Exit Ubuntu Splash Screen

Is there a way to exit the splash screen during boot and view the verbose boot without rebooting? For future viewers sake: this is for GRUB2 on Ubuntu.
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2answers
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Grub gives messages about the boot sector being used by other software. What should I do?

This only happens with one of my computers. It is an elderly laptop that has had a long and varied history with several operating systems, but in its retirement it is acting as a server for my home ...
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3answers
632 views

How can I undo the effects of grub-reboot?

I accidentally ran sudo grub-reboot 4 (background) twice in a row, and now GRUB permanently boots to the fourth menu item. How can I restore the default boot behavior?
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2answers
8k views

Grub2 detecting two Windows 7 (loader) entries

This is the first question I have ever asked the Ubuntu Community. I'm fairly new to Ubuntu, but I understand the basics and know how to navigate the Terminal. I also know how to search the existing ...
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4answers
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Grub not showing on startup for Windows 8.1 Ubuntu 13.10 Dual boot

Ok, so I'm such a newbie to Ubuntu and I bought a Windows 8 pre-installed laptop last month. I updated to Windows 8.1 and then I thought about installing Ubuntu as a dual boot so I could mess around ...
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How to dual-boot Ubuntu + Windows 8 on a Samsung Series 9 laptop?

I have a Samsung Np900X4C which came with Windows 8 installed. My goal is to have a dual-boot setup. I followed pretty much the answer at Samsung series 9 np900x4c-a03us Dual boot windows 7, namely: ...
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4answers
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Cannot get grub menu to timeout (or go away)

I am running Ubuntu 12.04. I cannot for the life of me get the grub menu (with options) to go away. I would like it to auto-boot into the first option. I've edited /etc/default/grub so that it looks ...
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3answers
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frequency out of range - please change display mode

I just downloaded the latest version of the Ubuntu live CD, and have installed it on a desktop computer (a Fujitsu Scaleo P). Once installed it seems to work perfectly, although there are some updates ...
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1answer
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Missing vmlinuz from /boot

I am running a laptop with Windows 7 and Ubuntu 12.04. I had grub issues following a partition resize which were eventually found to be problems due to missing kernel files. (These problems did not ...
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2answers
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How to add Windows 7 loader to GRUB?

I've successfully installed Ubuntu 11.10 alongside Windows 7. During installation I've manually changed the Windows partition size ( there were 24Gb used, I've changed virtual partition size from ...