GRUB2 is the second revision of the GRand Unified Bootloader, with versions numbered 1.9x and 2.yz.

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Installed GRUB in legacy mode, how do I reinstall it in EFI mode?

I recently installed Kali on my Win 10 machine. Win 10 boots in EFI. I don't know how, but I somehow managed to install grub in legacy mode. Now I always have to switch between legacy and EFI in the ...
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14 views

System unbootable - grub error: disk lvmid not found

I'm gettind this error at boot: grub error: disk 'lvid/caoMWu-o417-GMgh-6vFj-1qrw-iJMi-ypwm0f/Z2eotR-N0HN-nrol-3hUd-odMB-GzHy-4PrsnL' not found. Entering rescue mode.. I can't even get the ...
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23 views

grub rescue no such partition

Single HDD, one partition with Win10, second with Debian (installed with dedicated /boot, main and swap) and a large shared NTFS partition. Windows required refresh, so I booted into the Windows ...
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1answer
24 views

Fedora doesn't boot since 4.5.7-202: grub shows only a blinking cursor

I have a Thinkpad 460s with dualboot: Fedora and Windows. I am using grub2 as a bootloader. 4.5.7-200 boots fine, but 4.5.7-202 and the newly released 4.6.4-201 doesn't boot up, grub shows a blinking ...
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unetboot linux mint live drive boots grub2 instead of unetboot

I screwed up big time, I have installed linux mint live disk on my flash drive via unetboot on an virtualised linux mint of another computer. When I transferred the usb drive to my main computer, it ...
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1answer
124 views

Unable to boot after installing after systemd update

First it repeats this error many times: Lvmetad is not active yet, using direct activation during sysinit Volume group "mint-vg"not found Cannot process volume group mint-vg Than it shows: Gave up ...
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1answer
19 views

How to set default GRUB configuration file

I am booting four operating systems: Windows 7, Ubuntu, Kali Linux, and Linux Mint. They were installed in that order, with Linux Mint most recently and Windows 7 first. I am able to edit the /etc/...
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42 views

Change resolution of text console

I bought an xps laptop with a 4k screen. Because of this, the font-size of my text consoles (Ctrl+Alt+[F1-F6]) are quite tiny. So I tried to change the resolution by editing /etc/default/grub like it ...
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24 views

My system boots in the grub command line

I have Ubuntu, Arch and Windows installed. The grub which was used to boot an OS was the one of Ubuntu. Yesterday I installed FreeBSD and my intention was to install it in-place of Ubuntu. The grub ...
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1answer
33 views

Install new Linux distribution without overwriting GRUB2

I already have Linux installed. GRUB2 is installed to the MBR of /dev/sda. I want to install a second distribution, but don't want to overwrite the previous GRUB2 instance. What place should I choose ...
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57 views

Most efficient way to deploy an OS on multiple of the same machine?

I have learnt about the dd cmd, this does the job perfect as one can create an image of a HD(with an OS already installed) and write it to other HD's. The problem with this method is if you had a 2TB ...
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29 views

Got only Microsoft reserved and Microsoft basic data partition ? How can I boot into Windows 10 from grub2?

I only got these partitions: Disk /dev/sda: 55,9 GiB, 60022480896 bytes, 117231408 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (...
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15 views

Set GRUB `elevator=deadline` scheduling to a single device

I'd like to set my secondary drive to deadline. Is it possible to do it via GRUB, but leaving the primary drive as cfq? A script after booting would suffice in my case, but I'm interested in the GRUB ...
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26 views

Booting via grub (Ubuntu) with encrypted LVM

I've been obliged to install Ubuntu with ~everything encrypted (not just the home partition). Machine is a laptop with a single drive (/dev/sda) which I've partitioned thus: /dev/sda1 = FAT32, ...
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1answer
19 views

Arch linux not being added to grub2

I'm installing Arch Linux alongside an existing Elementary OS & Windows 10 on an EFI system. So I already have grub2 working and therefore had to be cautious when installing Arch as I didn't want ...
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27 views

How can I boot DragonFly BSD (HAMMER) with GRUB 2 on a MBR disk?

I have a box with one MBR-partitioned disk. It has two primary partitions, Windows 7 and DragonFly BSD 4.4.3 (using HAMMER), and one extendent partition with Linux Manjaro. GRUB 2 is the ...
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14 views

Booting CentOS 7 with classic grub

I'm trying to setup a new virtual server with a web host whose hypervisor platform doesn't support the use of Grub 2. So I need to setup classic Grub to boot my CentOS 7 VM. Is this possible? I've ...
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1answer
24 views

clean method to handle multiple operating systems on multiple disks

I am looking for a flexiable or clean method to handle multiple operating systems installed on multiple disks on my machine. I find myself having to regenerate grub quite often. Here is my disk ...
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1answer
49 views

How to boot via grub2 rescue promt on UEFI system?

I installed Ubuntu 16.04 by booting from a USB, choosing "Try Ubuntu without installing", and then inserting another USB and directing the installer to install there. I told the installer to instal ...
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1answer
17 views

Same grub menu for two GNU/Linux distributions

I have Xubuntu 14.04 and BunsenLabs installed on my PC along with Windows 10.I installed Xubuntu the last so it installed grub onto the MBR.I then set it up to have Xubuntu as the default boot option ...
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1answer
18 views

linux distro won't boot after installing alongside existing linux distro

I have an existing working version (the one I am writing from) of Linux Manjaro on /dev/sda2 partition (root) as can be seen: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 931.5G 0 ...
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1answer
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How can I configure Manjaro in GRUB2 without re-running the Manjaro installer? [closed]

I reinstalled the Ubuntu boot-loader one day, and it showed an entry for Manjaro, but it kernel panicked on boot. After re-running the Manjaro installer, the kernel was fixed, but GRUB ignored ...
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9 views

Linux kernel boot parameters: boot, union

I'm trying to put Debian Live onto pendrive. I know I can do it by simply executing dd if=path-to-iso of=/dev/sdX command but I want to do it more "manually" (just to learn how the things work ;) ). ...
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1answer
32 views

Easy-ish Grub2 loading of iso FROM a portable hard drive

How can I install an iso from a portable hard drive? The guides that I have seen require using grub2 on the local drive to load the iso on the portable drive. I would like to boot from the portable ...
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25 views

Cinnamon 17.3 Grub Failure on Re-Installation

How can I force Mint 17.3 Cinnamon to ignore a grub error to complete the installation? Or how can I fix the grub lock? I am attempting to reinstall Mint Cinnamon 17.3 on a Microsoft Surface 2 Pro ...
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38 views

Create a UEFI bootable persistent USB Livesystem

After a copple of tries with Ubuntu that failed to be persistent, and the hint to create a fresh question form the community to find I easier. I am try a new attemp. My Goal: A USB stick live ...
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1answer
46 views

How do I add another boot entry into grub2?

So I recently switched from Ubuntu to Manjaro but I lost my bootloader. Now I don't have an entry for Windows 7 anymore. Linux and the bootloader are installed on sdb but windows lives on sda. I can'...
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11 views

How to configure device mapper name of encrypted root partition with Grub2?

I would like to have my encrypted root partition mapped to the device mapper name system, i.e. it should eventually appear under /dev/mapper/system. My operating system is Fedora 24 Workstation Linux ...
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1answer
20 views

Can't boot Fedora from Kali's Grub

I've had Windows 10 and Fedora 24 installed, dual-booting, and it has been fine, but I just installed Kali in the remaining 200 GB, and the bootloader it installed can't boot Fedora. If I go into my ...
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26 views

Edit grub timeout in encrypted lvm setups with /boot partition?

My old setup was LVM with Ubuntu 16.04. Disk had a GPT table with a BIOS-grub and a main partition. I was able to change the grub timeout by editing /etc/default/grub, commenting out the two ...
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Any issues with restoring from a setup with GPT and BIOS-grub partition to one with MBR and /boot partition?

I had a non-nencrypted Ubuntu 16.04 setup using LVM2. I 'ported' this over to a fresh encrypted lvm setup on the same computer and disk, which saved me the hassle of reinstalling all the apps and ...
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23 views

Dealing with errors after a grub crash

So, My computer (solydk distro, AMD chipset, stock innards) was computing when we had an unexpected, cat related, power-outage. When I tried to boot after the cat-astrophy I was given the grub rescue ...
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Grub Rescue 2 Problem

I recently deleted partitions containing Kali Linux and now my computer boots into grub rescue mode. When I tried to boot to Kali Live from my flash drive, there was an error with a failure to read ...
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12 views

Grub2 Rescue Help

I installed Kali Linux and was able to dual boot it with Windows 8.1 on my laptop. I recently deleted a few partitions in order to get rid of Linux since I rarely used it. On reboot I saw the grub ...
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1answer
21 views

Booting FreeBSD using grub2 on uefi machine

I just installed FreeBSD 10.3 on an HP 450-a114. The install went smoothly with no issues. The machine has Windows 10, Linux Mint, and an LFS distro. In the past (on the older BIOS-only machines), all ...
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34 views

Make bootable disk from tar archive

I have a compressed tar archive from a SLES 11 root directory. I'd like to boot another machine with a live linux, extract my OS archive on a disk, and make the disk bootable. Is there any easy way to ...
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40 views

Dual boot installation has no effect (no GRUB), Boot-Repair doesn't help

With a fresh Windows 10 machine (Lenovo H50-55) I did a dual-boot install with Fedora 23. The installation seemed to go fine, but when I rebooted it went straight to Windows as if there was no GRUB. ...
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43 views

grub2 + how to print the current index according to grubby --info=ALL

how to verify in linux 7 , what is the current index that have the current kernel version for example I want to know if the kernel - 3.10.0-327.18.2.el7.x86_64 is located in index=0 or index=1 or ...
2
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1answer
36 views

USB keyboard won't work in Debian 8

Recently I installed debian on a separate drive on my desktop. My keyboard worked in the grub menu but not in the installation menu (I figured this was a fluke and pulled out an old ps/2 keyboard ...
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2answers
35 views

Add grub2 entries in Ubuntu

I had centOS installed in my system and after installing ubuntu the boot loader (grub2) doesn't display CentOS entry. I tried "sudo update-grub" in Ubuntu terminal but it doesn't show CentOS image. I ...
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89 views

BusyBox on persistent USB Livesystem

I fiddled a bit with creating a Live USB stick for creating a LFS system on my new computer. To make this easier I wanted to store some persistent data on it as well (settings, GCC, make and such ...
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1answer
105 views

have: command not found

I have created my own linux. Whenever I open up my bash and login into a sub-shell I get the following error -bash: have: command not found -bash: have: command not found -bash: have: command not ...
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1answer
30 views

Remove grub menu animation

I'm not sure if it's supposed to be that way or if it's a bug, but I'm forced to watch my Grub menu screen sloooooowly build itself. I have to watch it draw the lines around the menu like it was a C64 ...
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1answer
75 views

Custom kickstart install completes but machine won't boot

I have been following the instructions on using kickstart to create a custom install at : http://www.smorgasbork.com/2012/01/04/building-a-custom-centos-7-kickstart-disc-part-3/ I got an unattended ...
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1answer
21 views

How to move positions of OSes in grub 2?

I installed multiple OSes on my PC. When the grub bootloader appears, I want the order to be different. How can I change that order?
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1answer
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Alert! Root Drive Does Not Exist After Elementary Installation

recently I installed Elementary OS with no problems. When I started up the new OS I received this error message Alert! /dev/disk/by-uuid/....../ does not exist. Dropping to the shell Afterwards I ...
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why is grub2 ignoring kernel options when boot from el torito on CD?

I have a simple manually created grub.cfg file, which I load into grub-mkimage, then build into an el torito image on an iso9660 iso. Everything actually boots, but the kernel options are ignored ...
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22 views

Can't boot from live USB after Debian install

I've recently installed Debian on my old Itautec pc, from a live USB with a Jessie net install. Everything was working fine, but after trying to restore configurations from an old server, I ...
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1answer
113 views

Apricity OS not show in grub

I have Ubuntu 16.04 installed ( updated through 15.04 -> 15.10 ) . and Windows 10 Dual booted along with it . I tried to Apricity OS rc1 ( md5sum -> 58ad9c6172a2f45e31bd756d83107058 ) to my laptop ...
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1answer
15 views

Grub2 - Failure with UUID

Trying to use UUID or PARTUUID but these partitions are never found when I use them. They do work if I use the oldschool way of hd(), sdc3, etc. But I would rather use the UUID way. I've tried both ...