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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Grub Menu opens on boot

Just recently, I installed Ubuntu on my laptop. I am dual booting ubuntu along side of Windows 7, in which ubuntu is dedicated 22 GB and Windows is dedicated the rest. So like the normal startup, you ...
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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
9k views

My ubuntu partition was deleted and I can't boot from either a DVD or USB

It's my first time installing ubuntu. I have Windows 7 and 8 before in my laptop (Acer Aspire 4752z). After Ubuntu (12.04) installed in my laptop, the Windows boot loader didn't recognize my Ubuntu so ...
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1answer
109 views

Best way to apply boot options

I need to boot my computer with nolapic noapic and acpi=off. I can do it with the liveCD but unless the flags are applied at boot on the harddrive the kernel panics and the system doesn't boot (so no ...
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GRUB doesn't see Windows 7 after installing Ubuntu 12.04

So, this is my first time installing Ubuntu on my hard drive, and I'm running into some problems. Until a couple of hours ago, I had 4 partitions in my hard drive: XP Vista 7 Data partition I ...
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603 views

After installing with Wubi, can't boot into Ubuntu

I installed Ubuntu (12.10) through Wubi and when I go to the dual boot screen, I choose Ubuntu. But all it does is showing me a Grub menu which says: this is a minimalistic command (something ...
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3answers
1k views

Dual Ubuntu Installations with Whole Disk Encryption

My goal is I want to have a Xubuntu/Ubuntu dual boot, with a catch - I want the disk to be fully encrypted with the dm-crypt (native supplied) whole disk encryption. Now I know, out of the box the ...
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1answer
845 views

Fixing grub menu after migrating wubi to partition

I installed Ubuntu 12.04 via Wubi a couple of weeks ago, and today used the script on https://help.ubuntu.com/community/MigrateWubi to move it to a new partition. Now I'm having a bit of confusion ...
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354 views

LTSP thin client to single user mode

Is it possible to boot a LTSP thin client to single user mode? I've updated the default entry under /var/lib/tftpboot/ltsp/i386/pxelinux.cfg to read as follows: - append ro initrd=initrd.img ...
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0answers
193 views

Setting up a bootable usb iso

So, I've got an ext3 partition on a removable USB device. Its /dev/sdb1 on my system. After mounting this partition: sudo mount /dev/sdb1 /mnt/USB I install grub on it: sudo grub-install ...
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1answer
802 views

Unable to install Ubuntu 12.10 on the integrated SSD of an Asus UX32A

As the title suggests, I am trying to install Ubuntu 12.10 on the 24GB integrated SSD of an Asus UX32A. I took into consideration this answer - How to boot Ubuntu from SSD drive which cannot be ...
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406 views

Problem when generating grub.cfg

When I ran update-grub in terminal it gave me this message: root@ThinkPad-W520:/dev# sudo update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-3.5.0-25-generic Found initrd image: ...
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1answer
333 views

GRUB missing after removing drive with Ubuntu

My work laptop is an HP EliteBook with one hard drive in it. On that hard drive is a encryption program that boots up called "safeboot", you enter your username and password and then Windows boots ...
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1k views

Can't access grub menu by holding shift

I need to be able to set the nomodeset flag for the system to boot correctly, however pressing and holding shift after the boot screen does not give me access to the Grub menu. I need to point out ...
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2answers
10k views

Windows 8 no longer boots after Grub wiped out the Windows Bootsector

I was using Win8 and installed Ubuntu 12.10... There is an entry in GRUB for W8, but when selecting it - GRUB comes back again, so Windows never boot up. I can only launch my Ubuntu. /dev/sda1 * ...
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1answer
132 views

Dual Boot and Grub

This is my third question. I have installed Ubuntu on my PC now, but what i did when installing is i unplugged all my HDD's except for the one i wanted to install Ubuntu on. (i wanted to be sure i ...
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0answers
128 views

Attempt to install Ubuntu 12.10 from Windows but get GRUB instead

I have a Ubuntu ISO that I have just downloaded from ubuntu.com and used the Windows Installer (Wubi) to install Ubuntu, but when it boots, instead of Ubuntu I get some GRUB ... something. I have ...
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1k views

Installing 12.04LTS Server on a Fake RAID10

Scenario Install Ubuntu 12.04LTS Server on a RAID10 with boot on a RAID1. 4 - 2Tb SATA Hard Drives 3 Partitions (/boot, /, and swap) boot (256Mb from each disk) setup in RAID1 /dev/md0 partition ...
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3answers
4k views

Bootloader question with the default “Install ubuntu along Windows” option

After using virtual machines and wubi for the last few years I finally took the time to install ubuntu in a dual boot. I read a ton of tutorials, but they all recommended different things. So I ...
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1answer
12k views

How can I remove Ubuntu from the UEFI boot options? [duplicate]

I have a Gigabyte motherboard. GA-Z77X-UD3H to be specific. I recently installed Ubuntu and deleted it again, but it still shows up on the UEFI boot option even if I removed all hard drives connected ...
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2answers
3k views

GRUB Timeout Set to 0, Can't Access GRUB Menu Anymore

I'm using the newest version of Ubuntu, and I set my GRUB timeout to 0 and the default to start Windows. Now I can't access GRUB or boot Ubuntu. Holding shift does not work when the timeout is set to ...
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2answers
945 views

Removing System Reserved to use GRUB2

Today I was reading a lot about the boot process. I have win7 ubuntu multiboot, grub2 is the loader. My question is: Is it safe to delete System Reserved (BOOTMGR in it), as I use GRUB2? I mean: Does ...
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174 views

Ubuntu Boot Problem - ata4.00: error

I am having serious problems with my computer right now. Any help would be GREATLY appreciated! Here is the story :) Looking for speed I decided to install Ubuntu 10.04 LTS about two months ago. It ...
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WinXP option not showing during boot

I have ubuntu 12.10 installed along with Windows xp. Suddenly today when I booted the grub menu is not showing the Windows xp option. The only options shown are to boot in Ubuntu, memtest, Advanced ...
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Change default option on dual boot screen [duplicate]

I want to know how I can change the default selected option on the GNU GRUB dual boot screen displayed on system start-up. I have a Windows 7 and Ubuntu dual boot PC. Currently there is a countdown ...
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2answers
194 views

Installing Ubuntu with the Windows installer?

Is it safe as instructions said? If I install Ubuntu by this way, could I while updating Ubuntu update grub? because I saw this way install Ubuntu, when start Ubuntu is using Windows's boot manager.
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3answers
637 views

How to lock grub2 default selection?

This morning linux-image-3.5.0-26-generic was installed during a software update. On my laptop this proved to be unusable after 10 minutes. I changed to linux-image-3.5.0-24-generic and all seems ...
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1answer
141 views

Unable to Extend Ubuntu Partition Size

I'm trying to increase the size of my Ubuntu partition. My partitions, overall, are sort of a mess. I don't know what the System Reserved /sda1 partition is, but I figure that's something to do with ...
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2answers
2k views

Ubuntu not booting after installing in external hard disk

I have Lenovo z570 laptop with 750GB HDD, 6GB RAM, Intel i5 Processor and Windows 7 installed in it. I also have an external portable USB hard-disk of 1TB. My aim was to install Ubuntu 12.10 onto the ...
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1answer
310 views

Grub prompts for which drives to install on after apt-get upgrade

I have a little diffuse question. I recently wanted to upgrade my nginx installation on one of my servers running ubuntu 12.04. I read somewhere that this should be done by running apt-get upgrade ...
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1answer
590 views

Cannot get windows 8 to boot after ubuntu 12.10 install (different hdds)

I just took the plunge into Linux, with Ubuntu 12.10. Not knowing if I would like Ubuntu enough for it to become my main OS, I installed it alongside of my existing OS, windows 8. When installing ...
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Ubuntu 12.10 not using current Kernel

When performing the sequence of commands: sudo update-grub Searching for GRUB installation directory ... found: /boot/grub Searching for default file ... found: /boot/grub/default Testing for an ...
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How can I multiboot Windows XP, Ubuntu 12.04, Windows 7 and Pardus 2011?

Is it possible to install Windows XP with Ubuntu 12.04 on master drive. And Windows 7 with Pardus 2011 on slave drive? If so, can you provide instructions on how to go about doing so? I had to wipe ...
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2answers
1k views

Windows 8 Dual Boot on standard bios (Without UEFI)

I am using old computer standard phoenix BIOS, it does not have UEFI. I was installed Windows 8 first, then Ubuntu. When grub installed, I can't access Windows 8 anymore. update-grub can't find my ...
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1answer
254 views

Dual Booting Windows and ubuntu, Ubuntu won't load. Grub help [duplicate]

I installed Ubuntu using Wubi. It has been working fine for the past 5 months, but I tried to boot it recently and instead of loading Ubuntu I get the Grub terminal. What commands do I need to enter ...
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2answers
935 views

Invaild EFI file path - can't boot into windows 8

I have installed Ubuntu on my lenovo ideapad Y580 ( with win 8) Ubuntu works great, but when I use grub to select windows , error can't find commend 'drivemap' invaild EFI file path what does it ...
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1answer
95 views

Grub not showing after installation

I have formatted my machine with ubuntu covering the full drive. Now i want to install windows xp on it( dont want to keep ubuntu on it as the user was not computer savvy). The bootable disk is ...
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1answer
761 views

Boot repair did not fix grub rescue prompt, new install ubuntu 12.10

Total linux noob. Trying to install Ubuntu 12.10 into an 80G IDE drive. I can boot from the LiveUSB, and install Linux successfully. I shut down, remove the USB stick, and restart. The BIOS screen ...
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1answer
538 views

Help setting up e4rat, no startup.log after e4rat-collect

So I've scanned through all the wiki's and posts to no avail. I'm attempting to set up e4rat on Ubuntu 12.10, and after appending init=/sbin/e4rat-collect to Grub and changing ro to rw startup.log is ...
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5answers
5k views

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 ...
0
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1answer
2k views

Grub Rescue - No such device on boot

I currently have Windows 7 - 64bit Professional on my PC. I tried to install 12.10 via USB and it worked OK, I partitioned my main C drive and restarted my PC after Ubuntu had installed. On boot up I ...
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3answers
223 views

Grub2 menu problems with dualboot w7-ubuntu 11.10

I'm starting up with Linux and having loads of issues. Already tried to find answers here, but can't make anything out of them. I installed Ubuntu (64 bit version) on a partition of my W7 HHD and ...
2
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0answers
327 views

Grub Customizer does not start

I recently installed Ubuntu 12.10 as a second OS dual-booting with Windows. And by default I need to boot to Windows. So, I decided to install Grub Customizer through the terminal: sudo ...
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1answer
236 views

Ubuntu 12.04 & Grub on Macbook

Several months ago I installed Ubuntu in an external 500MB USB disk (and on an old MacBook4,1). with a GPT Partition table and partitioned as following: swap swap an unique ext4 partition for ...
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1answer
1k views

Dual booting Windows Server 2012 and Ubuntu 12.10

I have a server I use for testing that currently has Server 2012 Standard. I need to do some testing with OpenLDAP so I shrunk the disk to have 500GB of free space and installed Ubuntu on it. ...
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4answers
46k views

12.04.2 Failed to install grub-efi to /target/

I have a Lenovo u410 ultrabook. It's sata scheme consists of a 30gb SSD and a 1tb hdd in a raid0 with intel rapid start technology. I removed IRST and disabled the raid0. I want to install ubuntu on ...
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2answers
956 views

Grub boot problem on dual boot machine

I have three systems on my computer. I have had Windows for ages, than I installed Linux Mint and recently Ubuntu. Bootloader is using Mints Grub. How do I change it so it will be using Grub from my ...
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1answer
2k views

Framebuffer in Ubuntu 12.04 (NVidia)

After a new install of 64-bit Ubuntu 12.04.2, my grub menu appeared in a nice, small font in a framebuffer and when Ubuntu loaded, the logo and red/white dots were small and crisp. I've installed ...
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1answer
1k views

How to install GRUB on the hard-disk? [duplicate]

I'm kinda new to Linux. I wanted to install Ubuntu, so I installed Ubuntu alongside Windows 7, (I partitioned my HDD and left it unallocated) Ubuntu did not ask where to install and stuff, it just ...
0
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1answer
1k views

Dual Boot windows 8 and Ubuntu 12.10 grub error

I recently purchased a new HP Laptop with Windows 8 pre-installed in it. Then I installed ubuntu 12.10 from a bootable usb-stick. Now when I restarted my Laptop, instead of showing grub menu in which ...