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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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how to restore grub

During copying files via lan my Ubuntu Server 10.04 hung up and I had to reset the computer. After reboot, I got: Grub error 17, so I tried the rescue alternate CD, but I got a info, that no partitions were found on the disk. I used testdisk to…
takeshin
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Changes to grub in ubuntu 10

I've been running CentOS 5 for some years. I've decided to upgrade to Ubuntu, and with 10.04 just out, this seemed like a good time. I'm a tad paranoid, so I started off with a new set of drives - one to install on, one to backup to, and one as a…
jdege
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how to reinstall grub on ESX 4 system?

I rebooted my esx 4 server today and was greet by a single bit of text that said GRUB and it hung. I am attempting to restore the MBR GRUB partition, but am having difficulties. All i have is the ESX 4 installation ISO. Can someone help me with…
Erik Funkenbusch
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Fedora 11 System - Failed Hard Drive Removed, and Boot gets GRUB Hard Disk Error

Greetings, I have a machine with a 120GB ATA drive that has what I thought to be non-essential data on it. I also have a 320GB SATA hard drive with the OS/Application/Files (good data I want to keep). My 120GB ATA is failing I believe, as my…
Mindful
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linux kernel option to set sata disk to udma/133 1.5gbps

i try to speed up boot time of my linux server box which uses removable HDD rack's the current boot time is around 2 min's but if i connect the hdd's directly to the mainboard its about 2 sec's the problem is that ahci's kernel implementation causes…
John Doe
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Frozen boot due to slow disk/controller

Im running ubuntu 20.04 on dell r740xd, One of the disk controller seem to present the disk(multipath disks used for openzfs pool) slow while the server is booting. If the server is boot from 'recovery mode'->'resume normal boot' the slow controller…
sherpaurgen
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Check bootloader existence in a block device

How can I check if a bootloader (i.e. grub2) is installed on a block device (e.g. CF card)? I know I can mount the device and peek some files but how can I be sure the bootloader is installed without having to test it (try to boot it on some…
Humber
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How create RAID 1 on working Slackware 14.2?

I use Slackware 14.2 (with kernel 4.4.14-smp) on sda and I'm trying to create the RAID 1 with additional sdb. I'm using the VM VirtualBox. First, I have cleaned the sdb: dd if=/dev/zero of=/dev/sdb bs=8M count=1000 and copied the sda's partitions…
infernalcucumber
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GRUB for windows while not having a Linux root partition?

I want to use GRUB for loading Windows. I know about the chainloading that needs to be done but the thing is that I don't have any Linux system installed and I don't want to install it. I have two partitions, each having Windows 7, for example. Can…
Usman
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Can't boot into ubuntu server 16.04 after successful installation

I've installed 16.04 on Dell R710 server on RAID6. Boot mode is set to UEFI in BIOS. After successful installation it stays in grub> console. Output to ls command is (hd0) (hd1) (hd1,apple2) (hd1,apple1) (hd1,msdos2) (cd0) hd0 is my RAID6…
Ariunbayar
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Customized Red-Hat 6.7 to 7.4 upgrade

I have a customized RHEL6.7 server, it has several LVM2 partitions, the root volume is LVM2 based and is located on: stats/rootvol im editing the current GRUB (0.97 which part of RHEL67) to look like that (some params are for debugging, i…
joe
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New entries on the GRUB

I updated my Ubuntu, and after that there were two new lines on my GRUB screen. Ubuntu 9.04, kernel 2.6.28-16-generic Ubuntu 9.04, kernel 2.6.28-16-generic (recovery mode) Ubuntu 9.04, kernel 2.6.28-11-generic Ubuntu 9.04, kernel 2.6.28-11-generic…
kiewic
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How can I get a Linux *partition* image to boot in a XenServer virtual machine?

I am trying to migrate a Linux PC to a virtual machine running in XenServer. Normally I would just create an image of the boot disk (/dev/sda) with dd and use that to overwrite an empty virtual disk image. Unfortunately the boot disk is rather large…
dummzeuch
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Fedora 26 UEFI/EFI Rescue Boot

I need to rescue an unbootable UEFI Fedora 26 system. I have booted from the DVD, and used the rescue choot environment. I have a GPT disk with a small FAT32 ESP partition of type EF00. I've run: dnf reinstall grub2-efi grub2-efi-modules…
Neik
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dracut: Switching root

After my hosting company did some changes (no technical description for them) I got the following boot error for my CentOS: What I must do to get my servers up! I tried to ask for support at the hosting company but...
Nitescu Lucian
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