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Questions tagged [grub]

Console application permitting the user to choose between several installed operating systems.

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Cannot boot VM on VirtualBox imported from oracle cloud instance: Command Error Status: Unsupported

I followed the steps to connect my oracle cloud account to VirtualBox and I managed to trigger the import to one of my instances based on ubuntu 22.04 aarch64. The import is successful. However when I try to start my VM I have the…
sym183461
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Fedora 31 Grub2 configuration change isn't being applied

I've changed GRUB_TIMEOUT=-1 in my /etc/default/grub because I want the grub boot loader to wait forever for me to choose my operating system. Most of the internet says to run update-grub after editing this but it seems like this is a one-line file,…
Swiss Frank
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Volume group "luks" not found

OS: Parrot OS VM: Qemu Filesystem: Btrfs This is caused due to an improper reboot before full apt upgrade. After the reboot and entering in the Luks partition password. It successfully decrypts and then stays at the loading screen "Cryptsetup:…
Zetsu
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Ubuntu ZFS install hangs before reaching grub menu

After upgrading some packages and restarting, I can no longer reach the grub menu. My system hangs at the motherboard logo and provides no other output. I can boot to an Ubuntu Installer USB, and I can even get my ZFS pool mounted, but I’m hesitant…
Ryan
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How to make grub for fully portable linux on usb thumbdrive without writing entry to systems EFI?

I've installed Debian Bullseye on a usb thumbdrive. When I plug the thumbdrive notebook bootet from it, because there was an entry in UEFI "debian". After removing it with sudo efibootmgr -b -B thumbdrive didn't boot anymore…
Hannes
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Cannot reinstall grub on newly created boot partitiion

12. Reinstall grub on the newly boot partition: # grub-install --recheck /dev/xvdg # sed -i 's/sdg/xvdg/g' /boot/grub/device.map # grub-install /dev/xvdg Running first line gives: Probing devices to guess BIOS drives. This may take a long time. No…
Sayaman
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Cannot restore grub for Ubuntu 9.10

I have a hard drive with some partition for windows (NTFS) and 1 partition for linux and 1 partition for linux swap. Recently, I tried Norton Partition Magic Pro 8.05 (comes with Hiren Boot CD). It suggested me something related to ExtendedX. I…
Phuong Nguyen
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Tell Linux/GRUB to start iPXE on next boot?

I've just discovered the wonder that is iPXE. Im running various versions of Debian on many different computers, and would like to remotely tell them to reboot into iPXE, and have iPXE automatically boot into a clonezilla auto-deploy .iso I have. Is…
Moritz von Schweinitz
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Split initrd into smaller files

I would like to know if it's possible to have a split initrd implementation. Our reason for doing this, is the fact that our Fedora based application uses a stripped version of Fedora underneath with an initrd file which has become so large…
jbbletterman
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Issues with Ubuntu not booting on HPE Proliant ML30 Gen9

One of the server machines we use for database backup procedures is having issues and I ran out of ideas. At some point, it froze completely, and so it was forcefully rebooted. After that, the machine couldn't boot into the OS anymore. The machine…
Maximiliano Segovia
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ESXi installation PXE boot with GRUB on BIOS (not EFI)

all documents mention syslinux/pxelinux as a way to pxeboot ESXi installation, but I'd like to stay with GRUB 2. How to do that? I'm able, of course, to load GRUB 2 via network (i386-pc/core.0 for non-UEFI host) but then I can't figure out what…
Jiri B
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Boot to GRUB by default (choose OS to boot every time)

I know what key to press to boot to GRUB. But, I don't want to press any key. I want to load the GRUB menu as my default and choose the OS each time I boot. In other words, I do not want to automatically boot one of the OS's on my computer. How can…
JoeS
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How to avoid password change when boot GRUB in debian 10 system?

Per this post,I know it's easy to change password when boot GRUB. When I read set debian grub password ,I run command as below: cat << EOF >> /boot/grub/menu.lst timeout 3 password hackme EOF But it doesn't work,I can still change password when…
kittygirl
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How to replace system information in grub

I cloned my disk with zabbix server running on centos 8 and program used for cloning broke grub. Both disks cannot start, now on cloned disk I installed fresh system without removing old data ( I had a lot of unallocated space). Question is: how I…
Spedit
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HPE ProLiant gen 10 in legacy boot mode does not see hard drives in boot order section

I have HPE ProLiant gen 10 server with 8 drives. If I use legacy boot mode, but there is nothing in legacy boot order setting. And server tries to boot just from the ethernet. I have installed grub on hard drives and need to boot from them. Please…
Mlok
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