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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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Using grml with btrfs

I'm trying to boot an ISO using grml and grub on a BTRFS root. However, after selecting the boot option from the menu grub (or some subsequent loader) fails to find the iso /@/boot/grml/ubuntu-14.10-desktop-amd64.iso : Below is the entry from my…
user1295450
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Why is update-grub unable to find my root device?

I created a new root partition and I am trying run update-grub inside a chroot. I bindmount the following for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done And then: update-grub /usr/sbin/grub-probe: error: cannot find a…
user1295450
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Can't get my proliant N54l to boot from USB

I was trying to install ubuntu 14. onto a usb stick. It booted fine from the USB and I went through the process for a while until I got to the partitioning bit, I was thinking maybe the install was in memory because it gave me the option of…
edzillion
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SuperMicro Superblade fails to boot from hard drive

Following issue. I have a number of Superblades with LSI MegaRAID SAS 9240-4i cards. One card per server. All of them use the latest firmware (20.13.1-0176) as of this writing (as per the LSI website). Here one sample configuration of one of the…
0xC0000022L
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Ubuntu Grub fails with: unknown command recordfail

I installed some patches on a Ubuntu 10.04 Server (LTS) system today. After rebooting the newly patched server the boot process is now hosed with an unknown command 'recordfail' message. If I hit a key, the machine just reboots and gets stuck at…
Koko
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Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two separate servers that would boot to a grub prompt…
Elliot B.
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Grub install failing on Hardware RAID with LVM

I have a SuperMicro box with an Areca RAID controller installed. The RAID controller is configured for RAID 6 + Hot Spare. I am attempting to install Ubuntu 12.04 LTS. I set up LVM with separate partitions for /, /var, swap, and /data. While…
sardean
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how can I boot linux from a software raid 1 array

I'm trying to make a raid array on an existing linux ubuntu install. I'm following this tutorial... http://howtoforge.org/software-raid1-grub-boot-fedora-8 After going through the list of things a million times I finally understand what's going…
Stu
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Does the initramfs image file need to be updated whenever grub.conf is modified?

I am trying to puzzle out a linux boot configuration problem involving legacy grub (0.97), LVM2, and dracut and trying to eliminate a few red herrings. My trial and error process goes like so: Modify grub.conf Install grub.conf into MBR via grub…
javanix
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fix kernel on Xen Server hypervisor vps

I have a cloud server hosted at Rackspace, and they use Xen Server hypervisor. I was running Ubuntu 12.04, and really messed up by attempting to do a release upgrade manually. The hypervisor apparently doesn't get along with the changes made to GRUB…
tekknolagi
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CentOS 6 won't load default (new) kernel, loads (another) older one instead

I am having a weird issue with a CentOS 6 system. I have upgraded the kernel twice now and when I reboot the system it still loads the older kernel. I also had a dc tech watch the screen as it rebooted and they where stumped as well and could find…
Mike Geise
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I'm stuck on choosing the right Linux bootloader for software RAID-10

I'm installing Gentoo on a SOHO server with 4 500GB Hitachi hard drives. I was able to boot from Live USB, created RAID-10 array /dev/md0 with the following command: mdadm --create /dev/md0 --assume-clean --level=10 --raid-devices=4 /dev/sda…
user135199
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Grub hangs after x-2 seconds

We have a kiosk like terminal, with a customized Ubuntu installation (customized only in that way, that only a few packages are installed, and the installation process is unattended). The thing is, on the terminal we tested, it works fine, but on…
Mauli
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Debian Lenny as Xen domU fails to boot

here's the thing: I have Debian Lenny running Xen dom0, and I want to install another Debian Lenny as domU. I followed the guide at Debian Wiki to the letter. Installation goes fine until Debian installer tries to install Grub, it fails with this…
klozovin
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Move grub from USB to HDD

I install Ubuntu from USB. After complete installation I reboot my PC, remove flash frive and try to boot to linux. But I can't. because grub installed into flash drive and I see text: grub rescue> When I insert USB flash I see normal grub menu and…
Eugene
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