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 know the partition where grub is installed

I am Dual Booting Maverick with Natty. I want to know which partition has Grub installed. I want to make sure that grub is installed in the maverick partition not in natty, so that when I remove the ...
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2answers
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How can I increase the console resolution of my Ubuntu server

I am running an Ubuntu server inside VMware workstation, when I run the VM the screen is really small. I want to increase it to something that fits in the whole VMware console. I tried changing the ...
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2answers
588 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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Do I have to worry about “error: superfluous RAID member”?

When running update-grub on the newly installed Ubuntu 12.04 with an older software RAID (md), I get: error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). Generating ...
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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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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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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 WD external harddrive (320GB). This is a complete installation, not live USB. When I plug it in my HP desktop I go to the BIOS settings and boot off the harddrive, ...
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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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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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1k views

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
577 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
13k views

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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7answers
17k views

Removing old kernel entries in Grub [duplicate]

I regularly delete old kernels leaving only the latest two entries using Synaptic. I'm using Precise. However in my Grub "previous Linux version" menu there are quite a few entries labelled 2.6.8. I ...
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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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4answers
18k views

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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3answers
3k 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
71k views

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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3answers
4k views

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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2answers
4k views

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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3answers
8k views

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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1answer
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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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1answer
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Grub Menu doesn't appear when pressing SHIFT

I'd like to access my Grub Menu at boot by pressing SHIFT. After I press SHIFT I see a message saying "Grub loading.." but then no menu appears and the computer keeps booting normally into my Ubuntu ...
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3answers
912 views

Upgrade from 10.04 to 10.10 lost MBR

I think I've lost my MBR upgrading from ubuntu 10.04 to 10.10. During the upgrade it gave me a message saying which partitions did I want the grub details to go on, saying if I was unsure to select ...
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3answers
861 views

How can I customize my bootloader to make it prettier?

I hate how when I turn on the computer it just (after the hp logo, which I hate having also), shows white text on a black background. I'm wondering if there's easy ways to customize this (I'm choosing ...
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4answers
3k views

Is it safe to resize root partition?

My HDD is partitioned into two equal sized partitions. First is being used for Windows and Second for Ubuntu. Everything is working fine. But now I want to remove Windows and use the disk completely ...
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1answer
9k views

What does GRUB setting GRUB_GFXPAYLOAD_LINUX=text?

To be able to boot Ubuntu 10.10 or 11.10 in my new Lenovo L5210 with Intel Sandy Bridge I need to set grub setting GRUB_GFXPAYLOAD_LINUX=text (or I will get a blank black screen with only a cursor in ...
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2answers
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Mac OSX Mavericks update rEFIT broken

I have a mac that is running a dual boot with OSX and Ubuntu. I am using rEFIT. I just updated my OSX to the new OSX Mavericks, but when i restarted my computer and tried to enter Ubuntu from rEFIT I ...
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3answers
5k views

Windows 8 changes GRUB2 in every boot!

I've installed Windows 8 and Ubuntu 12.10 both UEFI style (win8 first then ubuntu). GRUB2 shows me both Ubuntu and Win8 entries. If I boot into Ubuntu is fine. I could reboot anytime I will see ...
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4answers
8k views

Install GRUB to Ubuntu Partition

So my computer has the following partitions: /dev/sda -- (I know this isn't a real partition, but more so the boot loader) /dev/sda1 -- (Windows 7 Boot Loader) /dev/sda3 -- (Windows 7) ...
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1answer
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How do I login in single user mode?

I needed to login through a single user mode in ubuntu 11.10 but don't know the changes I've to make in the grub command.
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2answers
4k views

Hibernate to a swap file

I have configured a new Ubuntu 10.10 installation in a Notebook to use a swap file, instead of using a swap partition. For default is not possible to get Ubuntu to hibernate using a swap file, so i ...
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2answers
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How GRUB setting noapic affects the system?

What are the known issues when setting GRUB to boot with noapic? How does the setting affect the system or programs in it? This quick answer explains what noapic does, but is there some example ...
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4answers
8k views

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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2answers
4k views

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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votes
1answer
1k views

Fresh install won't boot throwing “error: end of disk”

I have a machine which is supposed to be a media server. I have tried to install Ubuntu (both alternate and regular i386). The installation (and boot to usb drive) went on fine, but after the install ...
6
votes
1answer
229 views

Update to Grub2.x broke Xubuntu 12.04 client in VirtualBox

I have VirtualBox-4.1 installed in Ubuntu 10.04 with a .vdi running Xubuntu 12.04. Recently, a Grub update for Xubuntu 12.04 to Grub2.x, broke it with the following explanation: error: ELF header ...
6
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1answer
2k views

In GNU GRUB, I receive error: no loaded kernel. How do I load a kernel?

Whenever I type in 'boot' I get the error message, "no loaded kernel". How do I boot normally again? grub version 1.98 dual-booting ubuntu and windows
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0answers
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Recovering Grub [duplicate]

Possible Duplicate: How can I repair grub? Are there some resources that could help me recover from Grub2 problems? I installed Ubuntu 10.10 and Windows 7 on my hard disk. I had Grub2 as ...
5
votes
5answers
20k views

No Grub after installing Ubuntu beside Windows 7 [duplicate]

Possible Duplicate: How can I repair grub? (How to get Ubuntu back after installing Windows?) I am trying to dual boot Ubuntu 10.10 alongside Windows 7, after install I receive no Grub menu ...
5
votes
2answers
775 views

How to restore GRUB without re-installing the OS?

A friend of mine has a Packard Bell laptop that came with Windows pre-installed. I installed Ubuntu on it and it works fine, but everytime she tried to boot Windows on it (fortunately rarely) it fails ...
5
votes
2answers
13k views

How to enable GRUB menu on Ubuntu 12.04 server?

I have an Ubuntu server installed, and no matter what settings do I try to change, the GRUB menu won't appear. It only shows "Booting hard disk ...10... 9..." and that's all! My /etc/default/grub ...
5
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1answer
14k views

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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2answers
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Grub rescue problem after installing ubuntu

I have windows 7 installed in my internal hdd and wanted to try out Ubuntu so I got a USB to put Ubuntu LiveUSB on and installed Ubuntu on an external HDD and everything worked out fine. Now the ...
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3answers
581 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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3answers
379 views

error: attempt read-write outside of disk `hd0`

My problem This problem has been plaguing my boot for a while, it happens about half the times I start up my computer. Grub will load successfully, and wait ten seconds for me to choose which OS to ...
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2answers
2k views

Where to learn GRUB commands?

First of all is the GRUB essential to have Ubuntu? If yes, where can I learn it's commands? It makes me dead when it stops booting Linux and displays dangerous prompts. And is there any good ...
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2answers
2k views

Out Of disk, but still boots

I have a HP Compaq nx6310 notebook wth 4gb memory & a new 250gb hdd. After installing Ubuntu 12.04, i got an "out of disk" error & was unable to boot. I rebooted in live, instaled & ran ...
5
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2answers
7k 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 ...