Questions tagged [grub2]

GRUB 2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB 2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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How to tell grub where my Pop_OS bootloader is? [closed]

Every time I reboot, I'm brought into the Grub terminal screen. I watched some tutorials on how to get past it and get into Pop_OS, but I hate having to put those commands into the console every time ...
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Ubuntu 20.04, Grub BIOS entries, PC does not know what to do

Since approximately 2 Weeks the PC stuck during Boot. No modification by me, only automatically updates confirmed. Dual System : Windows + Ubuntu 20.04, grub menu, first entry Ubuntu. After switch On ...
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Booting DVD ROM from grub boot menu

I have a system running Ubuntu 20.04 and I would like to reinstall it but I can't because the BIOS is password locked and won't let me change the boot order. Is it possible to boot the installer on a ...
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grub display boot menu to external display when connected

I have a laptop that is sometimes connected to an external display via HDMI. When there is no interruption in the boot sequence, the external display will work after the computer successfully gets to ...
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Panic happened when create VM from live system ISO created myself

:cry: I followed this instruction: https://ubuntuforums.org/showthread.php?t=688872 Panic: panic - not syncing attempted to kill init Could you plz help me out ? enter image description here
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Migrating hard drives, without windows

Okay, so I’m finally ready to ditch both Windows 7 and my aging 5400 RPM hard drive in an old laptop. It currently is 640 gigs. I bought myself a 500 gig Crucial SSD. So I started to migrate like I ...
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Failed to reboot after upgrade from Ubuntu 20.04 to 21.04

I have experienced a similar, but not quite the same problem as this question: Failed to reboot after upgrade from 20.04 to 22.04 while upgrading from 20.04 to 21.04 yesterday, as the first step ...
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I want to setup GUI of Ubuntu

There is a black screen same as terminal.
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How to enable vnc console with cloud image vms for KVM?

I am attempting to create a custom image from Ubuntu Cloud image, specifically https://cloud-images.ubuntu.com/minimal/releases/impish/release/ubuntu-21.10-minimal-cloudimg-amd64.img Using virsh ...
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tripple boot grub2 with lvm /luks

I have a dualboot (1 x WIN10 (Bitlocker) + 1 x kubuntu KDE(LVM/LUKS)) and it works great. Now I like to install 2nd Ubuntu system. For that I create /boot , /, /home, /Swap in an aditional Volumen ...
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What is changing the startup font in grub console mode?

I'm running Ubuntu 18.04 and boot the system with GRUB_TERMINAL="console". During startup, I see the messages rush by, then something turns off colors (all green OK's turn white), then the ...
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Two SSD, Two Ubuntu Installs, Switch OS from BIOS and Not from GRUB

I have two SSDs (SSD1 & SSD2). I want to install Ubuntu in both. However, I do not want SSD1 to be aware of SSD2 and vice versa. I do not want to change the grub boot menu on either OS. I want /...
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GRUB_CMDLINE_LINUX_DEFAULT="consoleblank=60" not working anymore on iMac 27" 2017

Hello dear Ubuntu users, This is my first post and I am fairly new to using Ubuntu server 22.04. Last week I installed Ubuntu server 22.04 on my iMac 27" 2017 to run a Minecraft server. After ...
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Unable to boot. Stuck at grub and then at initramfs

I tried resizing the /dev/sda2 and my screen just blacked out. When I rebooted, it was now just a blank GRUB screen. I did some research and executed the following commands: ls set root=(hd1,gpt2) ls /...
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Simplifying systemd kernel command paramters

I use the following kernel command line parameters in grub (Ubuntu 18.04) nomodeset iommu=off transparent_hugepage=never systemd.mask=ModemManager.service systemd.mask=whoopsie.service systemd.mask=...
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Include a custom module (binary) when building or running a specific kernel

I've built an older 4.17 kernel under Ubuntu 18.04, which has most of the drivers enabled, just like the Ubuntu default kernel 5.4. I need this older kernel to load a custom kernel module for a ...
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ubuntu 22.04: some keyboard features and the touchpad tap do not work at login

I have just installed ubuntu 22.04. Everything went well during installation. However when I am trying to login, the tap of the touchpad and more importantly some symbols (like "`" or "~...
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Load grub menu when running ubuntu 22.04 LTS on VMware workstation 16 player

How to load grub menu while booting ubuntu 22.04 LTS on VMware workstation 16 player to get back sudo access to the user Also how to boot ubuntu on VMware ?
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Edit Grub.cfg file to add Second Linux OS to CAELinux [closed]

I have created a Linux From Scratch OS in Qemu, I have Rsync it to my second SSD. My plan is to create dual boot, make it my second OS. First SSD: CAELinux OS Second SSD: The LFS OS (I created with ...
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Ubuntu wont launch on dual OS

this is the error that pops up when i try to boot into ubuntuI have a hp elitebook 8470p with windows 10 running yesterday i decided to install linux ubuntu as a dual OS i installed it by following ...
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How to limit number of kernels in grub

As said in the question, i have grub with the 3 latest kernels installed, so i can choose between them in boot time. The problem is that latest kernel 5.15 is very heavy and i dont have enough space ...
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Boot loop device as root file system

I created an ext4-filesystem on a loop device with all necessary files to boot with, e.g.: /bin /boot /dev /lib /mnt /etc ... Now I want to boot from the loop device as an image (let's say ...
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Grub can't read encrypted disk so no boot

So I recently tried to move to pop os from fedora and I installed it and used full disk encryption, which ended up making my laptop quite slow. I hated it and it make the battery life unbearable so I ...
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How to Fix Acer E-11 stuck in Automatic Repair Mode after Ubuntu 20.04.3 LTS install?

I have installed Ubuntu 20.04.3 LTS on my Acer Aspire E11, as Windows 10 is getting too bloated and slow. I don't want a dual-boot, but there's still a caveat: The laptop comes with a pre-installed ...
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Ubuntu 21.04 LTS keeps rebooting after spash screen

I'm using Ubuntu 21.04 LTS with my Lenovo z50 laptop. After the package upgrade, I'm facing a strange issue! The OS continuously reboots till the splash screen. After the Lenovo logo, it's rebooted ...
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sudo update-grub: command not found [closed]

I installed pop os and then installed windows 10 to dualboot my system. I installed it with a "gpt parition format" since it wouldn't let me do it normally. I try running the command sudo ...
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Several errors booting 22.04

To clear the locked nvram I ran root@ubuntu:~# sudo apt install grub-efi-amd64-signed shim-signed Reading package lists... Done Building dependency tree... Done Reading state information... Done grub-...
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How to Maintain BIOS/UEFI Flash Drive with Full Disk Encryption

This is a followup question after How to Make BIOS/UEFI Flash Drive with Full Disk Encryption I have followed the answers in this question and created an encrypted full installation of Ubuntu 20.04 in ...
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Ubuntu 18.04 not detected upon cloning to 8 TB SSD

Hello everybody out there using Ubuntu, Since I was running out of disk space, I cloned my Ubuntu 18.04 installation from a 4TB SSD (Samsung) to a 8TB SSD (also Samsung) using dd. Afterwards, I ...
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Ubuntu 18.04 installation issues (GRUB installation failed)

I am inquiring about the problem of installing Ubuntu 18.04. GRUB installation failed problem occurs. When Ubuntu 18.04 is installed on the other 3 PCs, it will be installed immediately without any ...
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Must choose GRUB in boot menu

first I'm sorry for bad typing because I'm not native to this language. I've been recently install ubuntu 22.04 on my laptop (Lenovo ideapad 1 - UEFI) but when installation is over laptop doesn't ...
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Grub menu boot up after reboot | Upgraded from Kubuntu 21.10 to Kubuntu 22.04

I have upgraded my system from Kubuntu 21.10 to Kubuntu 22.04. It's not Dual boot. Every time I reboot my system, it boots to Grub Menu. I have to type GRUB > exit in order to move forward to ...
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Dual boot Ubuntu update from 20 to 22 failed with crash

I'm running a dual boot system Grub is run on boot to select OS to load The two OSs that can be selected are: Windows 10 and Ubuntu 20 I booted into Ubuntu. It ran fine and asked me If I wanted to ...
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How does Ubuntu 22.04 LTS handle LUKS2 decryption of root partition on boot?

I am trying to figure out how to add a LUKS2 encrypted Arch and a LUKS2 encrypted Ubuntu on different drives into my GRUB2 boot entries. In my Arch installation, I got GRUB to decrypt my LUKS-root ...
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Drive not showing

I have been trying to duel boot my laptop with windows 10 and Ubuntu. I have had the same problem when trying to install windows 10 on my laptop. i turned on rst in my bios boot menu, i tried to ...
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Ubuntu custom kernel build test second partition boot

I use Lubuntu 22.04 LTS I've been testing building my own kernel to load the same configuration and settings as I have on a second partition of my system drive. nvme0n1 259:0 0 ...
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2 votes
2 answers
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How to disable - Lubuntu's graphical grub theme

I use Lubuntu 22.04 LTS on my computer, and am testing grub editing. It seems Lubuntu is using some kind of graphical interface to show grub. Can I disable it to use the same as Ubuntu's default? ...
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GRUB menu does not show Windows

I just installed Ubuntu next to my Windows 10 installation. However, the GRUB menu only gives me the option to boot Ubuntu and does not show any option for Windows. What I have tried so far: I made ...
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Dell Precision 5560 randomly stuck at boot

I have a new Dell Precision 5560, running Ubuntu 22.04 (Dell distribution), with nvidia-graphics driver 510.73.05, using the prime performance mode. My setup is a 34" screen connected to a usb-c ...
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3 votes
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Why do I get "Warning: os-prober will not be executed to detect other bootable partitions." after running "apt upgrade"?

I'm running Ubuntu 22.04 and everything was fine. Today I did sudo apt update && sudo apt upgrade and at the end I got the following warning: Sourcing file `/etc/default/grub' Sourcing file `/...
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dual-boot; 22.04, W10; broke after W10 auto update; No grub menu; boot_repair log

https://paste.ubuntu.com/p/MJs6NM5rZ5/ Link is the boot_repair log that completed w/ success but still no ubuntu I believe my issues are related to: running BIOS booter (old satellite laptop) a ...
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1 vote
2 answers
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ACPI Error: AE_NOT_FOUND when booting after upgrading from 20.04 to 22.04

I upgraded my Ubuntu version from 20.04 to 22.04 (dual boot), and now I get ACPI errors when I boot, but when I load an older kernel version (5.13.0-48-generic), so I only get this errors with the 5....
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GRUB menu does not appear

I have a similar problem like this previous post. So, I am using ASUS motherboard desktop. Previously the OS was Windows 10, very probably in UEFI mode, I did not check that, and that was my worst ...
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WIndows Ubuntu dual boot on UEFI

I have Windows 10 installed on my internal HDD and I installed Ubuntu 22.04 LTS on external SSD a couple days ago. When I turning on my computer there is GRUB bootloader with options to select Ubuntu ...
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Shrunk windows partition and now cannot boot

I've been using a dual-booted machine for a few years and my Linux partition kept running out of space. I booted up windows and used disk management to shrink down the windows partition, so that I ...
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Modify grub setting ina live cd->/etc/defalt/grub doesn't exist and I have a nearly black screen just grub is written and freezed on a macbookpro 2009

I would like how, for exemple, give the nomodeset parameter to grub in a live cd configuration. The only file I found is /boot/grub.cfg and the presentation of the file is not the same as in a normal ...
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System sometimes displays blinking cursor, won't boot when loading with acpi_backlight=vendor

A couple months ago I started experiencing an issue where the system occasionally will not boot into the desktop environment and simply displays a blinking cursor. When this happens, there is just a ...
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How can I add a new Windows 10 into grub, and have grub act as my primary bootloader?

I currently have three different Storage Devices: 1 NVMe SSD that (by definition) is on my motherboard, and 2 SSDs connected by two different SATA cables to my motherboard. I would like to install ...
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After creating Ubuntu into an external SSD grub menu does not show

My PC has two OS which are Windows and Ubuntu 22. I embed ubuntu 16 to an external SSD and my computer does not show grub-menu. I tried to exit and boot by selecting directory from grub terminal but ...
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MAC stuck in GRUB terminal can't get into recovery

I was installing ubuntu to an Apple computer dual-boot one MacOS and one Ubuntu 16.04. Before installing ubuntu i should have get into recovery and disable sip. I did not do that now i am stuck in ...
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