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Questions tagged [grub]

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

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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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Rescue mode with grub and chroot /mnt/sysimage after a VMWare conversion

EDIT: After some more snooping I saw this: https://virtualkryptonite.blogspot.com/2017/07/vmware-converter-p2v-partition-number.html (not sure what VG means in the post) but this is essentially what problems I had and what I need to do. I believe…
Codejoy
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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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Grub on RAID1, keep from failing on next update?

I have /boot/ on /dev/md0, with two partitions: /dev/sda1 /dev/sdb1 I had a problem when running apt upgrade because I had to replace sdb and the new drive wasn't in the grub config. I got things working with a grub-install, but my problem is I…
Fmstrat
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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…
sanity
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How to write bootloader to multiple disks in Ubuntu server 20?

In Ubuntu blog there is post stating that Ubuntu Server 20.04 LTS has "More resilient bootloader", and you can write bootloader to multiple disks, to avoid SPOF on bootloader disk. How can i configure Ubuntu server 20 to use multiple disks for…
Aref Khandan
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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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CentOS 8 / Red Hat / Rocky Linux - Blinking Cursor After Grub Menu - SAS RAID

Anyone have a solution for this slow boot: https://forums.centos.org/viewtopic.php?f=54&t=73569 Essentially: When I boot, my box posts fine, the Grub boot menu comes up, I select the first option, then my screen goes black, I get a blinking - in the…
OwN
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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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