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

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2
votes
3answers
7k views

Grub not loading after Windows 8 Install

My system was configured to dual boot Ubuntu 12.04.1 LTS and Windows 7. Today I got my hands on the MSDN release of Windows 8 and I installed it over my Windows 7. Now the computer just boots to ...
15
votes
2answers
128k 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 ...
3
votes
2answers
450 views

How does Grub Stage1, exactly, access/load stage 2?

This is my first ever question, I have put this question in front of Red Hat Instructors but didn't find any satisfying answers. I'm using RHEL/CENTOS6, GRUB Legacy 0.97, and have consulted heaps of ...
7
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 ...
1
vote
2answers
989 views

restore suse grub

I upgraded my ubuntu and that resulted in its grub loader being used. I have a triboot of windows, ubuntu and suse. I prefer the suse bootloader which I was using before the ubuntu updates. I would ...
1
vote
5answers
5k views

I deleted files from my Linux box's /boot directory and now it won't boot [duplicate]

I deleted files from /boot to save space, but now when I boot I see: GRUB loading, please wait ... ERROR 15 /boot still has files corresponding to the 2.6.32-27 version of Linux. But I deleted ...
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 ...
5
votes
2answers
247 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 ...
0
votes
3answers
1k views

After removing linux Grub error

I have a dual boot Windows & Linux system. I removed the Linux partition, but after that I am not able to go in to Windows XP. It is not booting. It gives me a GRUB error.
12
votes
2answers
26k 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 ...
1
vote
1answer
2k views

How to reset Linux root and grub passwords?

If we forget our Linux root password, we can change it by changing grub's boot options. But in this case, we also set a grub password and forgot both passwords. How can we recover both?
6
votes
2answers
48k 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
3answers
31k 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 ...
5
votes
1answer
333 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 ...
3
votes
1answer
864 views

Grub and usb serial support

How to access the grub menu using a usb serial converter? I know it's possible to have grub menu in serial console, putting these lines in grub.conf: serial --unit=0 --speed=9600 --word=8 --parity=...
2
votes
2answers
1k views

Laptop boots directly to Ubuntu, can't access BIOS or Boot menu anymore

I'm running Laptop with single OS: UbuntuMATE 15.04 Beta1 64bit on Toshiba laptop Core i3. After burning "Elementary OS" on a live USB drive using UNetbootin, what happened is: -After reboot, laptop ...
2
votes
1answer
2k views

Boot into chroot directory leaves the root partition read-only

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
0
votes
1answer
589 views

Syntax error in grub.cfg on update-grub (Grub 2) (memtest86+)

When I run update-grub or I try to reinstall it, I get a "syntax error". The output is somewhat like this: error: syntax error. error: Incorrect command. error: syntax error. error: line no: 262 ...
0
votes
1answer
3k views

Want Windows to boot instead of Grub

So when I turn my computer on, Grub rescue boots up. I have finally figured out how to get into Windows, but now I want to skip the step of entering the information into Grub to get into windows. How ...
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
3answers
11k 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 ...
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
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
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 ...
3
votes
2answers
1k views

Is it possible to add some 'PXE Network Boot' option to GRUB?

This is an example of my available GRUB menu boot options: 1 menu label ^ 1) Xubuntu 14.04.02 LTS 2 menu label ^ 2) Windows 7, x86 & AMD64 3 menu label ^ 3) Windows 8, ...
3
votes
2answers
137 views

Booting into a kernel image

I have a recently-compiled Linux kernel image (vmlinuz file) and I want to boot into it. I am aware that this won't give me a familiar Linux system, but I am hoping to be able to at least run some ...
3
votes
2answers
13k views

grub-install : command not found

I had windows 8.1 and kali linux installed in extended partition . for some reason I only formated partition where windows was installed and re-installed . now it only boot into windows and doesn't ...
2
votes
1answer
1k views

How can I get GRUB to configure my screen properly?

My screen says that it can't display the stream, and to use 1680x1050@60Hz as soon as grub would be loaded. I was told by #hardware on irc.freenode.net that this was due to grub missconfiguring the ...
2
votes
1answer
2k views

Unable to mount /home/ partition after reinstalling grub after reinstalling windows 7

I've reinstall windows 7 on it's asignated partition and, as usually, it override the MBR with it's own stuff and, thus, it was not possible to boot to my ubuntu 12.04 partition. I followed the step ...
2
votes
2answers
283 views

How to move the bootloader from a hard drive to a usb stick

I've decided to move my Debian bootloader and /boot from the hard drive to a USB stick. I'm using LUKS to en/decrypt my hard drive and the bootloader is the only unencrypted partition. How can I ...
1
vote
1answer
104 views

Where to install GRUB?

I am running Ubuntu 14.04 on a remote server. It's the only OS installed. I need to be super-cautious before rebooting the machine since KVM access to the server is quite tricky. During a GRUB update,...
1
vote
1answer
960 views

How to completely rebuild boot partition with grub as well?

openSUSE 11.4, I have boot partition on pendrive. The problem is when I boot computer, grub immediately shows error "file not found" (I have no clue which file) and switches to "rescue mode". I can ...
1
vote
4answers
1k views

How to install Fedora&Ubuntu with encrypted VG's on one disk?

I installed Fedora 14 first, then Ubuntu 10.04. I installed them using dm_crypt/aes256/lvm, so I used encrypted VolumeGroups. At the end of the Ubuntu install it said it cannot install GRUB, so I had ...
1
vote
2answers
3k views

Grub menu not appearing

I have a windows 8.1 installed in my lenovo z570.I installed linux mint 17 from an USB created using YUMI software. After installation the grub menu doesn't appear and windows gets booted up ...
1
vote
1answer
703 views

How can I boot back into Windows after “installing” live CD to hard drive partition?

I wanted to boot a Mint 17 live CD, but I did not have a blank CD lying around so I "installed" the live CD on a newly created partition. Now my laptop always boots into Mint, but I want to boot back ...
1
vote
0answers
22 views

If i install Elementary OS, will it automatically be added to the Grub menu?

I currently have Windows 7 and Linux Mint installed. When my pc starts up, it shows me the Grub menu, it shows an entry for Mint linux and the windows boot menu. I am wondering, if i was to install ...
0
votes
0answers
2k views

GRUB fails to install

For the past two days, I have been attempting to install Linux Mint 14 64-bit edition. Each time, the ubiquity installer has failed with this error: Executing 'grub-install /dev/sda' failed. This ...
0
votes
1answer
95 views

GRUB v2: Practical way to manage numerical entries in order to use with grub-reboot

I use GRUB v2 as my boot manager. Whenever I want to reboot to another operating system (or menu entry, like MemTest), I use the command: # grub-reboot n where n is the number (starting on 0) of ...
0
votes
1answer
490 views

How can one boot Kodibuntu live USB from grub2?

everyone! As the question suggests, I'm finding it difficult to boot Kodibuntu from grub2. Here's the whole story: I have recently bought an Intel Compute Stick which so far has been great for my ...
0
votes
1answer
737 views

Grub not Recognizing XEN Kernel on Boot

We are able to successfully install and boot to a XEN kernel on 5 of our 7 eucalyptus node controllers. The last two are having the same problems despite running an identical installation process. I'...
0
votes
1answer
48 views

How is the Grub command “save_env” supposed to work?

I'm trying to modify grubenv from within Grub. According to the documentation this should work by using the command save_env. Unfortunately I can't get it to work. I would like to change the value ...
-1
votes
1answer
792 views

Overwrote Windows bootloader with Mint: how to restore? [closed]

I have encountered serious problem while experimenting with Ubuntu/Mint. A few days ago I felt like trying Linux. I had Windows 7 installed on my SSD drive. Since I had one free HDD I decided to ...