This tag is ambiguous: use grub2 or grub-legacy as appropriate.

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15
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2answers
124k views

Boot windows from grub rescue command prompt

Previously I had installed the Ubuntu 10.04 and Windows 7. Now I logged on to Windows, opened thepartition editor and deleted the volume containing the Ubuntu (Thought it will delete the Ubuntu and ...
11
votes
2answers
25k views

Equivalent of update-grub for RHEL/Fedora/CentOS systems?

In Ubuntu (and I guess in Debian too) there is a system script named update-grub which automatically executes grub-mkconfig -o with the correct path for the grub configuration file. Is there any ...
10
votes
3answers
1k views

Is the entire kernel loaded into memory on boot?

I read through this popular IBM doc (I see it referred quite often on the web) explaining the function of the initial RAM disk. I hit a wall in conceptualizing how this works though. In the doc it ...
8
votes
2answers
53k views

Need to boot Windows 7 from Grub rescue command prompt

I booted my computer today and found the Grub rescue command prompt. I have been given this computer and it has Linux and windows 7 on it, but I have only ever used the windows section. I have no idea ...
7
votes
4answers
1k views

Grub location - did it go to the mbr or elsewhere?

I have a dual boot setup with linux and Windows 7 with Grub as the bootloader. My partition table looks like this: 100 MB System Reserved Windows 7 500 GB Windows 7 100 MB /boot - ext2 500 GB linux, ...
7
votes
3answers
6k views

How to stop update-grub from scanning all drives?

Every time update-grub is run all hard drives are scanned. Each drives that is in standby state will spin up to go idle. This is a waste of energy. We use update-grub version 1.98: # update-grub -v ...
7
votes
1answer
3k views

after BIOS splash, will not boot, asked to select OS, but can't

I'm running Linux Mint 13 MATE 64-bit. Everything has been working for several weeks. Yesterday, when I tried to boot up my computer, after the BIOS screen flashes I reach a screen with a black ...
7
votes
3answers
2k views

How do I hide grub boot menu unless shift is pressed?

I've read the forum but it seems my grub boot menu doesn't follow the form of the config file. I would like the menu to not appear unless Shift is pressed. My grub menu appears every boot and stays ...
6
votes
2answers
47k views

How to start a windows partition from the Grub command line?

I have Windows 7 installed on my system. After I installed Windows 7, I installed Fedora on a separate partition so that I could dual boot. I removed Fedora by deleting the partition it was installed ...
6
votes
1answer
2k views

USB Keyboard does not work with Grub

I am setting up Arcade Puppy http://scottjarvis.com/page105.htm on an old Dell GX50 PC. Instead of using a PS2 style keyboard which I don't have I opted for a low profile generic USB keyboard. The ...
6
votes
1answer
2k views

How do multiple boot loaders work on an EFI system partition

My ESP looks like this Boot Dell fedora Microsoft In the Boot directory, their is a boot-loader named bootx64.efi which I understand is the default boot loader that get started first. But in the ...
6
votes
3answers
30k views

How do I change the GRUB boot configuration from within Windows?

I currently dual boot Windows 7 and Fedora 14, using GRUB, with Windows 7 as my default. I know that from Fedora, I can set GRUB to boot into Fedora, overriding the default, on the next reboot. Is ...
6
votes
2answers
19k views

Unable to launch Fedora 18 LiveCD using USB device

I just bought a new motherboard which has BIOS and UEFI. I have a previously working LiveCD installed on my usb, created with LiveUSB Creator. I tried using it to boot but got stuck at the grub ...
6
votes
2answers
3k views

Booting a newly compiled linux kernel

I have started reading the book Essential Linux Device Drivers. I am following the process for compiling and booting into a new kernel. However I am unable to boot into the newly compiled kernel - I ...
6
votes
1answer
5k views

GRUB Quiet Splash

As a Linux newbee, I would like to know What exactly is the significance of "Quiet Splash" in GRUB? GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
6
votes
1answer
3k views

Getting an existing Linux installation from one computer to boot on another

I have an existing Dell Precision 690 workstation setup to dual boot Windows XP and CentOS 5.5. These operating systems are installed on two separate drives. I have a grub menu on the Linux drive with ...
6
votes
2answers
2k views

Getting “NTFS5: No ang0” error message when booting Linux Mint

I am getting the following message as shown in the link below when trying to boot into linux mint 13. Try (hd0,0): NFTS5: No ang0 Try (hd0,1): NTFS5: No ang0 Try (hd0,2): NTFS5: No ang0 Try ...
6
votes
2answers
4k views

Which Bootloader is Used on a Chromebook?

I installed ChrUbuntu on an Acer C7 Chromebook, and I am able to dual boot Ubuntu 12.04 and ChromeOS and to control which OS loads by default. I tried to edit the /etc/default/grub file and did run ...
5
votes
2answers
245 views

Ignorantly dd'd /dev/sda*

I was trying to write an iso to a flash drive. I mistakenly thought that all /dev/sda* are flash drives attached to the system. I wasn't sure how to figure out which was which, so I just unplugged my ...
5
votes
2answers
339 views

Can we use Linux Mint ISO to repair Ubuntu's Grub?

A friend of mine is running Ubuntu and got GRUB RESCUE. Can they use Mint ISO to repair their Grub? As I don't have Ubuntu ISO?
5
votes
3answers
10k views

Set default kernel in GRUB

How can I pick which kernel GRUB2 should load by default? I recently installed a the linux realtime kernel and now it loads by default. I'd like to load the regular one by default. So far I only ...
5
votes
1answer
4k views

Rotate console on startup (Debian)

I want to rotate my console (not X Server) by 90 degrees (clockwise). The following seems to work for me: echo 1 > /sys/class/graphics/fbcon/rotate; however, I'd prefer to use a kernel option in ...
5
votes
2answers
294 views

Should I use LILO or GRUB or other?

I am making a netinstall DVD which will have netinstall for 10 different Linux distros on it. I will need to install a bootloader on the disk so I can choose which distro I want to install. Which is ...
5
votes
2answers
308 views

Boot process stops until PS/2 key presses?

I'm working on an embedded product based on Gentoo linux 3.6.6 running on a Mini-ITX motherboard. We're looking at switching motherboards (from a Jetway NF9D-2550 to an Advantech EIMB-214), and to ...
5
votes
1answer
6k views

A new version of configuration file /etc/default/grub is available, but the version installed currently has been locally modified

I am using 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64 GNU/Linux Debian GNU/Linux 7.1 (wheezy) Release: 7.1. I typed "sudo apt-get upgrade" and hoped for the best (I updated all my packages just ...
5
votes
1answer
1k views

Multibooting FreeBSD and other Linux distros

Long story short: Have one laptop, need to multiboot FreeBSD/OpenBSD as well as a number of Linux distros. Which one do you think should go first? FreeBSD offers a bootMgr, but I'm not sure how it ...
5
votes
3answers
2k views

LVM Ontop of LUKS using Grub

What am I trying to do? Install Arch with full system encryption (sans boot and media partition) using LVM on top of LUKS on an external hard drive (sdb) using: ...
5
votes
2answers
2k views

grub error : “File not found” for separate /boot/efi partition

I've installed CentOS 6.4 on UEFI enabled machine, created /boot/efi partitions. But my grub is not automatically starting, if I start the PC, I start in Windows 8. I can only start CentOS by ...
5
votes
1answer
1k views

Configure fstab for a bootable usb

I'm trying to clone a partition and make it a bootable usb. I've made two ext3 partitions (just like the installation I'm cloning). The first one is small and has grub/ and the kernel. The second ...
5
votes
0answers
116 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution on x86 systems? I guess it's in an assembler file since this is very low architecture stuff. I ...
4
votes
1answer
1k views

Grub2 without arrow keys

My laptop keyboard recently had a losing encounter with a beer, and the arrow keys don't work anymore. No big deal, I figured -- I remapped CAPS+hjkl to the arrows in xkb, and after a little getting ...
4
votes
3answers
1k views

grub shows multiple kernel versions on startup

I have Ubuntu 10.10 and after few updates the boot menu lists many kernel versions. How do I remove older versions?
4
votes
2answers
2k views

arch linux boots into grub command line

I'm trying to install arch linux over virtual box guest machine in a UEFI mode. I've followed beginners guide to install base system, generate fstab and etc and my system now boots into grub command ...
4
votes
1answer
210 views

Automate chroot into broken system

Every time you have to mount a system with a live-boot-CD and chroot into the system to repair grub, you have to type so many lines to mount into the right partition: fdisk -l find the right ...
4
votes
1answer
490 views

Grub modify menu screen [ advanced ]

I've modified my Grub menu. Here is how it looks like right now: What I would like is to remove the top information about Grub version or even better to remove all "GNU GRUB version ...
4
votes
1answer
213 views

Does GRUB consider partition order when looking for config files?

I have a HD which has 3 partitions, in the following order: NTFS FAT32 FAT32 (very small) I want to install GRUB into the MBR of the HD, and place the config files (menu.lst, etc.) into the 3rd ...
4
votes
1answer
597 views

Install Ubuntu over Suse without affecting Windows

I have Windows XP and Linux Suse 11 installed on my laptop for some time. I want to replace my Suse installation with Ubuntu and would like to know if it is possible to do that without affecting the ...
4
votes
2answers
4k views

How to uninstall GRUB

I just installed Arch Linux and it's not working well, and now I can't access Windows because of GRUB. How can I uninstall GRUB through the Arch Linux shell?
4
votes
1answer
725 views

Windows won't boot via grub

I had a dual boot system with Kubuntu 14.04 and Windows 7, after a long time of not using the windows I tried to boot it and all I got was a beep sound and a black screen and then the computer froze. ...
4
votes
2answers
7k views

What do the kernel parameters acpi_osi=linux and acpi_backlight=vendor do?

I had troubles with the screen brightness control in my laptop and I fixed it by adding the acpi_osi=linux and acpi_backlight=vendorparameters to the filegrub.cfg. I'd like to know what these ...
4
votes
2answers
3k views

Install grub on LV container for VM

I'm having difficult time installing grub in LVM LV container for a VM. This is the partition table: # parted /dev/mgtvg/linux2os print Model: Linux device-mapper (linear) (dm) Disk /dev/dm-7: 129GB ...
4
votes
1answer
340 views

how to completely blank video output on boot (no kernel logging, grub output, etc.)

So, this is an inversion of the classic question: "Why is my terminal blank on boot?" -- How do I make my terminal blank on boot? I'm creating a Debian Wheezy system with GRUB as the boot loader that ...
4
votes
1answer
3k views

Grub fails to install - Debian Wheezy with mdadm RAID1 and GPT partition table

I've been trying all day to get my new Wheezy install completed but it fail to install Grub every time. I'm using x64 netinstall iso. Here is my partition table: Model: ATA ST3000DM001-1CH1 (scsi) ...
4
votes
1answer
2k views

How to boot after RAID failure (software RAID)?

Previously I had a software raid set up using (mdadm) of drives sda and sdb. sdb failed and the only way to reboot the system was by unplugging the second hard drive. Now I've added fresh sdb and sdc ...
4
votes
1answer
2k views

GRUB error 15, no boot menu nor /boot

I am have a fully updated Arch Linux system that was running fine. Last night I tried to setup autofs per instructions on the Arch wiki, but upon restart there was no boot menu and only a GRUB error ...
4
votes
1answer
291 views

How to make GRUB resume from hibernate in a dual boot PC

I have a laptop running two different GNU/Linux-based operating systems. Each operating system has it's dedicated root and home partition, but share the boot and swap partition. They both work quite ...
4
votes
1answer
4k views

Setting up HDMI output from Linux console

I am currently running Debian Wheezy on a HP Microserver N54L with an AMD Radeon 5450 video card. I would like to be able to play audio from the console through the HDMI port of my video card and ...
4
votes
1answer
516 views

Using a custom name for root device in GRUB

I'm working on old distro ( slackware 8.1 ) using a kernel 2.4.37.9 and I have the following problem. I want to use a custom name for boot device, say for example /dev/root1, which can replace the ...
3
votes
3answers
4k views

How does Linux deal with a separate /boot partition?

I am interested to learn about how Linux deals with a separate boot partitions. I am not interested in actually doing this, but I would like to know how this works under-the-hood. Consider a hard ...
3
votes
1answer
11k views

How do I remove the timeout in the boot menu

I am a beginner to Linux so I installed several operating systems on my computer in a multiboot configuration (Ubuntu, Linux Mint, Windows, ...). When I turn on my PC, the boot menu appears with a ...