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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High resolution CLI?

I want the resolution of my console to match my screen resolution(1440x900). 1024x768 works fine but for some reason when I put 1440x900 when I switch to ttyX the command prompt is almost right off ...
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Is there a way to save the output of vbeinfo?

I'm trying to correct some GRUB2 and Plymouth display problems in 11.10 as part of an ongoing saga. I'm going to run the vbeinfo command to check supported display modes, but unfortunately from what I ...
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How do I enable verbose mode at boot?

How to make natty boot in verbose mode. Changing option GRUB_CMDLINE_LINUX_DEFAULT="splash quiet to GRUB_CMDLINE_LINUX_DEFAULT="" in /etc/default/grub doesn't effect in natty.
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How can I choose which OS grub will reboot me into—before I reboot? [duplicate]

LILO had a simple feature that allowed one to select the boot menu entry that should be used on the next reboot while in Linux, thus one could select the OS to be booted into on shutdown and didn't ...
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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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How do I skip the Grub menu on a dual-boot system? [duplicate]

I have Ubuntu and Windows 7 installed and dual booting via Grub2. 99/100 times I will boot into Ubuntu. I want to speed up my time for booting into Ubuntu and really the Grub2 prompt is the part ...
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Configure Dual Boot, Windows 7 and Ubuntu 12.04 with or without EFI

I have just installed Ubuntu 12.04 on a laptop with Windows 7 but I don't get to boot from Ubuntu. First, during the installation I made these partitions (may be too many): /dev/sda1 FAT32 SYSTEM ...
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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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How to avoid problems when installing Ubuntu and Windows 7 in dual-boot?

I want to try out Ubuntu (and hopefully choose it as my primary OS). After looking at many versions of it in VirtualBox and from Live CD, I've finally decided to install it. So I defragmented and ...
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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 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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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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How do I resolve a GRUB: “invalid arch independent ELF magic” error?

I am stuck with a rather irritating problem I ran into after installing 11.10 on my macbook pro 5,5. I did a clean install efi booting into the setup using the desktop cd. Upon the first reboot I was ...
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955 views

Can GRUB 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 shows 'Kubuntu' on boot

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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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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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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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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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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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 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 migrate an encrypted LVM install to a new disk

I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
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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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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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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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Grub rescue problem after deleting Ubuntu partition!

After I deleted Ubuntu partition, I rebooted my computer and got grub rescue problem. What I have tried so far is finding the right partition of ubuntu from grub rescue command by ls command. It ...
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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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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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Backup LVM snapshots and Grub2 problem

Long story short, I'm using obnam to take backups of my system. This is what I do: take LVM snapshot of /, /usr, /boot, /var, /home mount the snapshots on /bck-snapshots, /bck-snapshots/usr, ...
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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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What to do when I get an “attempt to read or write outside of disk 'hd0'” error and Boot Repair does not solve the problem?

I tried to install Xbuntu 13.10 on an older computer. I noticed some difficulties during installation that may be relevant to my problems. Notably: The screen resolution was extremely low. The ...
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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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1answer
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Graphical GRUB editor for Ubuntu 13.10

I wanted to ask what graphical GRUB editors are there for the latest Ubuntu release (13.10)? And how do I install one? I searched through the Ubuntu Software Center but I can't find anything there. ...
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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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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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“Unable to install GRUB in /dev/sda” when installing GRUB

I recently bought a shiny new Lenovo Yoga 2 Pro and I want to dual boot it with Ubuntu for studying purposes. Its built-in OS is Windows 8.1 and it has a 256GB SSD. I've made a separate 90GB ...
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Lost Windows 7 in GRUB after installing Ubuntu 14.04

So today I've decided install the new 14.04 (64bit) on top of the 13.10 (32bit) Ubuntu that I used to have dual boot with Win 7. So it gave me number of options to install the 14.04, one of them was ...
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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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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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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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What are the fields in the “Format Partition” window in the Disks utility for, and what do I choose?

I use 14.04 and I have 2 physical partitions, one of 243Gb and another of rest of 500Gb. I want to format the partition of 243Gb using Disks (Open dash and type disks). This partition contains ...
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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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ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell

I am using Ubuntu 14.04. On 23 August 2014 I ran in terminal sudo apt-get update. Then I rebooted the system. And now I see: ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell ...
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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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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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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 ...
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1answer
9k views

How to reinstall newest Linux Kernel?

Hello I upgraded all packages on my Ubuntu, and kernel also. But in upgrading process kernel upgrade failed, and I must always after grub load select older kernel. It is a terminal command to ...
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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 ...