Questions tagged [grub]

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

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14
votes
2answers
102k views

Cannot find EFI directory: issue with grub-install

I was trying to rescue GRUB in Linux. I was able to login in the OS following this tutorial: https://www.lisenet.com/2014/grub2-rescue-mode-error-unknown-filesystem/ I have to upgrade GRUB to fix ...
0
votes
0answers
8 views

How to dual-boot Android x86 and Windows 10 using Windows' metro boot loader?

I have successfully installed Bliss OS on my hard disk partition and have the Grub bootloader. I can boot windows from grub but I want to use the metro bootloader as it supports touchscreen. I have a ...
1
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1answer
7k views

Add Prime OS (Android_x86_x64) to grub menu

I have debian dual boot with windows and try to install prime os also, while install it i didn't install it's grub because i have debian grub, but after installation i can't found it in grub . ...
0
votes
1answer
974 views

Grub, usb multiboot ubuntu and windows 10 installation disk

I made usb disk multiboot installation, ubuntu and windows 10. sudo parted -s /dev/sdb mklabel msdos sudo parted -s /dev/sdb mkpart primary 1MiB 551MiB sudo parted -s /dev/sdb set 1 esp on sudo ...
0
votes
1answer
4k views

Blinking cursor after new partition and install (ubuntu-mate)

Following these instructions exactly: https://ubuntu-mate.community/t/gpar...dows-users/797 https://ubuntu-mate.community/t/inst...lse-method/651 to partition a 1TB SSD and install Ubuntu-Mate off a ...
3
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6answers
7k 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 ...
2
votes
1answer
1k views

How can I manually replicate Manjaro Setup's automatic full-system encryption setup?

When I install Manjaro (16.10.3) from the LiveCD using the erase drive + encrypted option, it seems to create a setup like the following: Encrypted /dev/sda1 holding / and encrypted /dev/sda2 used as ...
1
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1answer
2k views

grub rescue insists on finding normal.mod in non-existant folder “i386-pc” while all *.mod files are in “x86_64-efi” folder

I have a dual boot Debian 9 (controls the boot process) and W10 being the other possible boot. After performing a simple overclock setup over the BIOS (MSI X399 motherboard), the computer now sends ...
0
votes
1answer
12 views

LVM volume can be mounted but not bootable after physical drive moved from internal to USB

I have a laptop with 2 physical drives, an on board SSD (128 GB) and an evo850 SSD (1 TB). I configured LVM to span them as one logical volume. I now have a hardware failure on one of the cables ...
0
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0answers
8 views

Grub keyboard doesn't work using fast boot

I am running Gigbyte Z97-HD3 mobo and Linux Mint 19.3. I also have another HD running windows 10. I usually use the grub boot menu to select my OS at start up. Today I decided to check what fast ...
0
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1answer
13 views

Grub Rescue - LVM ID not found

I freshly installed system on my HW RAID 0 drives, over which is installed SW Raid 1 with LVM. After Installation of Debian 10, I've got this problem which I don't know how to resolve. I tried so far,...
1
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1answer
1k views

Grub: adding Windows 10

I just finished installing Linux Mint on a separate drive. I now got three drives: one with Windows 10, one with Linux Mint, and one with just data. Now I want to use Grub to switch between operating ...
0
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0answers
21 views

How Can I Add A Dual-Boot Installation of PrimeOS to my GRUB?

Recently, I installed PrimeOS (Standard version) onto my computer in its own ext4 partition. During the installation it asked if I would like to install GRUB2, obviously unaware that my computer ...
0
votes
1answer
21 views

Passing custom parameter from GRUB to the OS

My program, wich is bash scripts, runs in a custom ISO with Debian. I want a GRUB menuentry that passes a parameter from GRUB to the OS, a debugging flag, so I can test the program, and at the same ...
0
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0answers
21 views

Setting up NixOS with lvmcache and LUKS-on-LVM

I'm trying to install NixOS 19.09 on a notebook. My disk setup is a 30GB SSD and a 700GB HDD. I decided that I want to use the SSD as cache for the HDD, and also that I want the entire root partition ...
1
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1answer
24 views

Advice on dual booting windows+ ubuntu

Last time I tried to dual boot windows and ubuntu I lost Grub, and after a couple mistakes had to reinstall. I still want windows, but I don't want to get burned again. I've been doing some research ...
0
votes
1answer
1k views

Ubuntu 14.04 software RAID with LVM install won't boot on bare metal

If I setup a VirtualBox guest with two 30 GB virtual hard disks and follow the following steps, the result will be a fully functional, booting operating system: Boot Ubuntu 14.04 Server install CD At ...
2
votes
1answer
560 views

grub-install: error: failed to register the EFI boot entry: Function not implemented

after upgrading to Ubuntu 19.04 I frequently got a 'failed to register the EFI boot entry: Function not implemented.' error when installing new packages. Now I updated to Ubuntu 19.10 and the ...
0
votes
1answer
3k views

GRUB not detecting my windows partiton

I've been trying to get a windows dual boot running but GRUB is being a bit of a pain at the moment. I can boot into Debian from the boot menu but Windows is nowhere to be seen. Boot-info : http://...
1
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0answers
21 views

Booting from GRUB help terminal? Manually setting /boot/ location?

In my last question: Grub install on a partition I ran grub-install on my entire hard drive and now I am booting to the GRUB terminal with a prompt: grub>. I've done some research and it seems like ...
0
votes
0answers
24 views

Grub install on a partition

Right now I have a hard drive with arch and windows 10 installed that is partitioned like this: nvme0n1 -nvme0n1p1 -nvme0n1p2 -nvme0n1p3 -nvme0n1p4 -nvme0n1p5 /boot -nvme0n1p6 SWAP -nvme0n1p7 / -...
0
votes
0answers
24 views

DualBoot Ubuntu / Windows and grub

i'm trying to remove my dual boot because my PC is lagging and I need to reinstall Windows and clean up a lot. So , right click on windows , disk manager , and remove my Ubuntu partition. Problem :...
1
vote
0answers
12 views

How to properly boot ISO9660 looped image with latest GRUB versions?

I'm trying to boot Ubuntu live ISO9660 image with GRUB 2.04 using these instructions. It is failing to boot with GRUB error error: unknown filesystem, even though I can browse as well the boot ...
41
votes
7answers
122k 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 ...
0
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0answers
9 views

Changing graphics mode in grub interactive console (debian/OMV live)

I'm attempting to install Open Media Vault (Debian based). The system boots from CD, but the image takes only top-left corner of the screen and when I select [Install] the image becomes totally messed ...
0
votes
0answers
19 views

Backing up a device and restoring it including its partitions

Currently I'm going through each partition doing: mount -o rw /dev/mmcblk1pX /mnt/pX cd /mnt/pX # backing up: tar -czvf /tmp/partitionX.tar.gz . ... # something went wrong, restoring: tar -xzvf /...
1
vote
1answer
137 views

How to change the login and grub background image on Kali Linux

As the title explains I would like to change both of those background images but I was trying without success. What I've tried already: GRUB Added GRUB_BACKGROUND="/home/jose/Imágenes/backgroundSea....
0
votes
1answer
25 views

Downloading grub on blackarch linux not working

I am trying to install BlackArch Linux in a virtual machine but when I try to download GRUB it doesn't work. I enter grub-install --target=x86_64-efi --bootloader-id=GRUB* when I type that in I get ...
0
votes
1answer
2k views

Debian 9 VmWare Black Screen after reboot

I have installed a debian 9 x86 on a VmWare Workstation, and used it few times, then i have been messing with NetBeans and also gnutls library, i was trying to build static one to use in my program, ...
0
votes
1answer
2k views

Boot-repair Failure: Unable to locate package grub-common:i386

I am on a system dual-booting Windows and Debian (usually using the latter), and a recent Windows update appears to have wreaked havoc on the Debian boot system. I managed to boot Windows again, but ...
1
vote
1answer
30 views

Ubuntu not showing in grub menu after dual booting with Arch

Earlier my laptop had only Ubuntu on /dev/sda5 and it's swap memory on /dev/sda6 in which I logged in through grub menu. I installed Arch on /dev/sda1 and it's swap memory on /dev/sda2 and again ...
2
votes
1answer
3k views

error: cant't find command linux when booting system

Recently I've installed CentOS 7 on my pc, previously I had debian 7 and manjaro installed. When I installed manjaro I overwrote the bootloader of debian and manjaro's grub recognized the two systems ...
1
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0answers
13 views

No grub screen when i start my system

no grub screen after installing ubuntu 18.04 it takes me straight to linux (i am a new person)
0
votes
0answers
68 views

Error after upgrading Ubuntu to 19.10: grub-efi-amd64-signed

I just upgraded my ubuntu 18.04 to 19.10 and the installation aborted when installing grub-efi-amd64-signed After that i rebooted my system and couldn't login but i fixed this error by using sudo ...
1
vote
1answer
1k views

SW RAID-1 grub-install

I just changed /sda system disk in SW RAID using following steps, simply put: sfdisk -d /dev/sdb | sfdisk /dev/sda mdadm --manage /dev/md0 --add /dev/sda2 Now disk is initializing chcked by: cat /...
2
votes
1answer
6k views

grub rescue: “failure reading sector 0x802 from hd0”

I lost power on my debian jessie laptop and now, when I boot it, I get: failure reading sector 0x802 from hd0 grub rescue> I tried: ls (hd0),(hd0,msdos1),(hd0,msdos2),(hd0,msdos5) then, I tried:...
1
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0answers
25 views

Is there a clean way to get bidirectional grub-reboot without a shared boot partition?

I've got grub2 in my SSD's MBR, with three distros sharing 3/4 of a logical partition, along with a shared home partition. There is no boot partition; all three distros have their own /boot directory ...
57
votes
7answers
161k 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
1answer
489 views

EFI\boot\bootx64.efi vs EFI\ubuntu\grubx64.efi vs /boot/grub/x86_64-efi/grub.efi vs C:\Windows\Boot\EFI\*

I have installed Ubuntu 19 64bit alongside Windows 10 64bit and I found that I have 3 different EFI files in different locations: EFI\boot\bootx64.efi EFI\ubuntu\grubx64.efi /boot/grub/x86_64-efi/...
0
votes
0answers
58 views

Debian installer puts GRUB on main disk without asking

I wanted to install a Debian Linux system (with LUKS) on the remaining space left by a Windows 10 install (with BitLocker and Secure Boot), without messing with the Windows boot or the main disk (...
1
vote
0answers
20 views

Minimal Bash-like line editing is suported; for the first word, TAB lists possible device or file completions; grub

Installed Arch Linux next to Windows. Did everything according to the instructions at https://pingvinus.ru/note/archlinux-install#partitioning-free. but after removing the bootable USB flash drive and ...
3
votes
1answer
2k views

Grub2 not finding windows partition

I have brand new laptop with windows 10. Using NVME ssd drive. I am trying to do multiboot using UEFI. For some reason, grub-mkconfig -o /boot/grub/grub.cfg is not finding my windows partition. I ...
1
vote
1answer
2k views

GRUB: Display GRUB on external display connected to laptop?

I am on Ubuntu Gnome Lenovo Y50-70 GTX 860M I have been unable to successfully configure, /etc/default/grub. I want GRUB to display on my HDMI monitor but it only displays on my laptop inbuilt ...
0
votes
0answers
20 views

Is it possible to chainload a disk-image file from Grub?

I have a disk image that is meant to be flashed and run as a live-USB. Is it possible to boot from this image in Grub in a similar way to booting from an ISO?
1
vote
1answer
1k 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 ...
2
votes
0answers
33 views

Use ISO9660 USB for booting

I'm trying to boot from a USB drive that has an ISO file dd'd onto it with dd if=file.iso of=/dev/sdb. The ISO file was created using grub2-mkrescue, and it boots about half the time if I specify root=...
0
votes
0answers
23 views

Laptop boots to grub menu after uninstalling one of 2 dual booted linux distrobutions

I installed two Ubuntu based linux distributions on my acer laptop. I eventually decided I liked one of the two better and deleted the other distributions partition, but now when I boot the computer ...
0
votes
0answers
22 views

Dual boot: Linux Boot option disappear

So I installed Pop!_OS while having Windows installed everything was working great. The way I was choosing between the operating systems was by pressing F12 and that opens a boot menu for my laptop ...
1
vote
1answer
46 views

Linux Mint on Dell XPS 9570 - Power Issues, Inconsistent power-on

This is my first time posting on a linux help site, so be gentle. I've installed Linux Mint 19.3 "Tricia" on a 2018 Dell XPS 9570, 15" laptop. People have addressed this in many posts, including this ...
1
vote
1answer
110 views

Booting LUKS Linux installation from external USB disk

Before: SATA internal SSD with a LUKS encrypted ext4 partition (Debian installation) + a small unencrypted boot partition with kernel, initrd and GRUB configuration files After: that same disk is now ...

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