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Questions tagged [grub]

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

346 questions
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'Could not find filesystem /dev/root' after Clonezilla clone of redhat install to newer hardware'

I am cloning what appears to be a redhat 4 (possibly 5?)server to fairly newer hardware, as the original has a failing board. DBA would rather not reconfigure a new installation so they want me to clone if possible. I used Clonezilla stable…
rhymenoceros1980
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How to diagnose why Grub won't boot a Windows partition?

I just imaged a Windows partition onto a new drive with dd. Then I changed the NTFS UUID to a new one. Then I ran update-grub (using grub2) and restarted. Now there is a new menu entry in the Grub menu corresponding to my new cloned drive - but when…
Louise
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Error message encountered when booting a debian VM

When booting a Virtual Machine powered by a Debian 8 "Jessie" distribution, this error message appears : Error 24: Attempt to access block outside partition 1 I'm quite sure that it's a GRUB problem ; GRUB don't find my boot partition which is on…
F.Renaud
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Ubuntu: updated mainline kernel, now drops to initramfs

I attempted to upgrade our system's mainline kernel and am now dropping into initramfs. < update>: The commands I used were: apt-get update apt-get upgrade apt-cache search linux-image //grabbed last entry apt-get install…
A. Anon
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GRUB "USB lock" for Linux Full Disk Encryption

Hy everyone. I'm investigating the possibility of using something like USB hardware locking dongles (like these ones used for software locking and licensing) to provide the key that Grub asks for when booting a linux server with full disk…
André Maricato
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Centos 5.4 wont boot

I have three disks in a centos server but it won boot,I have no grub at all.I tried to install grub with super grub and fix the system with rescatux but in vain.Is there a way to boot into centos?Here is the report ============================= Boot…
Keftef
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PXE boot with grub: root variable unset

I configured a dhcp and tftp server, for my tests, I used at first time, syslinux to boot over PXE network successfully. Now I want to use grub instead of syslinux to boot, in order to do that, I issued the command grub-mknetdir…
StormByte
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Debian 7 can not boot, grub rescue show error: out of partition

Debian 7 amd64 running in VirtualBox 5.0.10, on Windows 8.1 ent x64 host. This VM running more than 1 years. Use basic partition, NOT LVM or any Raid. Today it's suddenly auto umount all disk, and mount / in readonly mode, I force reboot it on…
consatan
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Store Live CD's on HD and Boot from GRUB

I use "Clonezilla" and the "SystemRescueCD" on a lot of servers and I was wondering if there' s a way to copy the ISO files (from the above tools) into a partition (e.g in every server) and modify grub.conf accordingly so that I could reboot the…
JFA
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linux red hat + how to start as single user mode from grub

I have this in my linux machine grub> how from this I start the linux machine as single user mode? in order to update some file after boot
dandan
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Problems installing software on AWS EC2 instance (Debian 7.8 'hvm')

After some issues due to the lack of support in required kernel for the network card in my machine (though I'm aware of how to compile the driver for my card, I don't want to do that, based on some issues with kernel headers for the target kernel),…
Aleksandr Blekh
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Cloudlinux, GRUB 0.97, software RAID, won't automatically boot

My server is running Cloudlinux as has a software RAID mirror (/dev/md2 made from /dev/sda and /dev/sdb) mounted on / It's been running fine, but after simulating a raid failure and rebuilding the mirror, it won't reboot by itself. Instead if dumps…
rmm
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XEN - Does pygrub alter grub on dom0

I apologize for question but I did not really understand the idea behind pygrub. I've downloaded VM from stacklet.com. The image is shipped as a ext4 file and pygrub config. My question is if I can run this image from dom0 standard way: xl create -f…
Wakan Tanka
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Unable to install grub to software Raid array in Ubuntu

How do you ensure Grub is properly installed on a software RAID array in Ubuntu? I have a failed RAID array on an Ubuntu 14.04 server. When I first tried booting it, the Grub screen came up, but selecting any kernel resulted in an endless stream of…
Cerin
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How do I replace a disk with LUKS on LVM2 - no raid, no span

I have LUKS on LVM (LVM Partitions created first, then each partition is encrypted separately, following this guide on Arch Wiki). I am using two volume groups, and each is isolated to a drive. This is because I have one SSD and one platter, and I…
Damon
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