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

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0
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3answers
403 views

Grub to boot USB HDD

My machine is using Ubuntu 8.04 (=> legacy grub). It is backed up regularly and I would like to check I am able to restore the backup. This backup includes everything on the system, including /boot ...
1
vote
1answer
290 views

I deleted files from my Linux box's /boot directory and now it won't boot

I did that to save space. Now I see GRUB loading, please wait ... ERROR 15 on boot. /boot still has files corresponding to 2.6.32-27 version of Linux. But I deleted all others that did not have ...
3
votes
3answers
4k views

how to force grub to boot (no human input) regardless previous booting failure

When previous boot was failed. (because of power failure, hardware failure) booting will hang at the grub menu for human prompt. Can you set option to force boot up no matter what happened?
4
votes
2answers
1k views

Setting up Linux softRAID10 so it can boot after a drive failure

I would like my RAID10 to survive the failure of the bootdisk. I want to write grub to the MBR of each disk in the array so that in the case of a failure the array will still boot on the remaining ...
6
votes
1answer
2k views

How Do You Non-Destructively Check if grub2 is Installed in The Boot Sector or is Being Chain-Loaded by grub1, Without Rebooting?

We're upgrading several systems from Debian Lenny to Squeeze and I'd like to ensure that I haven't missed any grub2 installations. By default, Squeeze chain-boot-loads from grub1 and you have to run ...
4
votes
1answer
1k views

Booting Nexenta root mirror results in GRUB error “Filesystem type unknown, partition type 0xbf”

I have a Nexenta system that's been running fine for the last few years. Recently one of the system disks failed --- the syspool was part of a ZFS mirror. If I configure the system's BIOS to boot ...
1
vote
1answer
178 views

How to reboot Ubuntu to log into boot GRUB screen?

When I currently reboot, I just get the option of the user I want to log in as. It has me and "other" which asks me for the user name. The only user name I can think of is root, but I don't know its ...
1
vote
1answer
1k views

Grub Configuration for OpenVZ?

I am trying to get OpenVZ working on my server but I am having problems. I am getting the error 'Running kernel is not OpenVZ kernel.' every time I install OpenVZ. My server is running CentOS 64bit. ...
0
votes
1answer
146 views

CentOS 5.5 - passing parameters from grub to the user space

I need to add an additional title to my grub.conf file and after OS boot I need start different services depends on it What the better way to do that?
0
votes
1answer
994 views

repair Grub bootloader

I had Xubuntu installed on my laptop on harddrive /dev/sda on partition /dev/sda1. Something bad happened and when I restarted my laptop black screen appeared with "kernel panic" message. So I decided ...
1
vote
1answer
378 views

How to understand the configuration of grub.conf?

title CentOS (2.6.32.9) root (hd0,0) kernel /vmlinuz-2.6.32.9 ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.32.9.img I'm now upgrading the kernel,but failed ...
1
vote
5answers
1k views

Debian Squeeze and RAID firmware after kernel update

I've installed Debian Squeeze on my server several days ago. During install process installer asked me to provide USB flash drive with firmware aic94xx-seq.fw (file disappeared likely due to ...
45
votes
7answers
30k views

Headless Ubuntu server machine sometimes stuck at GRUB menu

I have Ubuntu 10.10 Server installed on a single-board machine in a semi-embedded environment; no keyboard or screen, just SSH access to it. So it's really frustrating when it occasionally boots up ...
0
votes
1answer
126 views

Problem restoring from tar backup: why are there /dev/disk/by-id/ symlinks and how can I avoid them?

I'm trying to make a bare-bone backup system with the most basic tools available on openSUSE 11.3 (in this case: bash, fdisk, tar & grub legacy) Here's the workflow for my scripts: backup.sh: ...
0
votes
1answer
414 views

Blank screen after grub menu

I just rebooted an Ubuntu Server 10.04. After choosing boot options in the grub menu, though, it just displays a black screen with the blinking white underscore in the upper-left corner. The machine ...
0
votes
1answer
458 views

How can a BAT script find the partition number of %systemdrive%

I am trying to write a BAT script to produce a grub4dos menu.lst file. A boot entry in the menu.lst file typically contains a line like: root (hdx,y) where x is the hard disk number(first disk ...
0
votes
1answer
310 views

Finding out from which initrd image current RedHat session has booted

How can I find out from which initrd image in /boot/ a RedHat system has been booted from, assuming that there are multiple entries in /etc/grub.conf with the same kernel but different initrd-*.img ...
0
votes
1answer
531 views

How to change grub defaults?

I've got Ubuntu 10.04 and Grub 0.97, I've created /etc/default/grub (according to example in menu.lst): defoptions= howmany=all But every-time when update-grub is executed quite splash is appended ...
0
votes
3answers
833 views

Installing grub2 on ubuntu with software raid mirroring

Can someone help me out on this? I accidentally installed grub on usb flash drive during ubuntu server installation. Now I cant boot system without drive attached to server. I want to install grub on ...
1
vote
4answers
5k views

skip fsck on boot on ubuntu 10.04 server

We are sitting here in front of an ubuntu 10.04 server who insists doing a lengthy checkdisk during reboot. We see one option to edit the kernel boot options line in grub to skip the check. What ...
0
votes
1answer
299 views

How to get rid of grub error on aptitude safe-upgrade

This is a new ubuntu 10.04 root server at the hoster. I did the initial sudo aptitude update && sudo aptitude safe-upgrade Now I am confronted with this message each time I run sudo ...
2
votes
2answers
1k views

Serial terminal over ethernet

Well, my idea is I would like to have access to grub over Ethernet/Internet, I've found two possible solutions: Converter RS232 to Ethernet (1) which looks like to have its own live, I mean it is ...
0
votes
1answer
916 views

grub2 error : out of disk

I recently install ArchBang on a machine with Ubuntu and XP. I ran update-grub from Ubuntu and it found the new install and created an entry. However, when I try to boot it, I get: error: out of disk ...
4
votes
3answers
3k views

Use GRUB/GRUB2 to PXE boot OS image

Asked this in stackoverflow but they recommended I post this here: Here is the situation I am in: I currently have a Windows drive that boots XP. The BIOS does not support PXE booting so this is out ...
0
votes
2answers
407 views

I can't boot Win7 OR Ubuntu after installing Ubuntu 9.10

i made a partition on my new computer because i decided that i wanted to have both Win7 and Ubuntu 9.10. I made a disc image on my usb driver, and restarted my computer as to run Ubuntu without making ...
0
votes
2answers
3k views

Kernel Panic - not syncing: attempted to kill init (for VM image from a physical machine)

I had a CentOS 5.4 x86_64 machine where I imaged the primary partition with the following command so that I could run it in a VM on my local machine for testing. #dd bs=1024 count=10482412 if/dev/sda ...
2
votes
3answers
600 views

Linux RAID1 Software - grub resync after fail

I've a linux server with 2 IDE HD & Raid (hda - hdb) I've changed the "BAD" hdb with a new: mdadm --fail /dev/md2 /dev/hdb3 mdadm --fail /dev/md0 /dev/hdb2 mdadm --fail /dev/md1 /dev/hdb1 ...
0
votes
2answers
2k views

How to permanently ignore grub-pc package for aptitude?

I'm running Ubuntu 10.4 virtualized under Xen and the grub-pc package is broken and apt-get notifies me every time I run it. I just want to configure apt-get / aptitude to ignore this package ...
3
votes
1answer
1k views

EC2 issue using PV-Grub and custom kernel: error 21 selected disk does not exist

Over on EC2 I am trying to setup AMI's for PLD-Linux that use the new features that allow running custom kernels from inside the AMI using PV-Grub. I've setup custom AMI's many times before but can't ...
0
votes
1answer
7k views

Centos 5.5 won't boot anymore; the dreaded “Could not find filesystem /dev/root” error

Normally I have no problems finding my answers online but I have been trying to fix my downed server for 3 days now and I am no step further. The server in question is a Centos 5.5 machine running ...
1
vote
4answers
136 views

I changed boot/grub/menu.ls

I commented out a wrong line in /boot/grub/menu.ls and now it tells me kernel panic - not syncing : VFS: unable to mount root fs on unknown - block (0,0) It stops there and does nothing. How can I ...
1
vote
0answers
601 views

How to modify Ubuntu 10.04.1 Grub entry for supporting KGDB kernel image

I am trying to update target m/c grub.cfg file for KGDB setup but while booting the m/c it got hung completely and not asking/waiting for remote gdb connection. Following is the entry which I added:- ...
1
vote
2answers
849 views

How do I enter interactive command mode in GRUB bootloader?

I've accidentally locked myself out of the sudoers file on my desktop machine when trying to get wireshark working. So I figured that I need to enter single user mode. I've read how to do it in ...
0
votes
3answers
747 views

Reinstalling GRUB on RAID array

I have a computer running Ubuntu 10.04 Desktop x64. I just bought another tb drive and wanted to combine my two drives using RAID 0. I have a MSI 890GXM-G65 motherboard and decided to use their built ...
0
votes
1answer
97 views

Random Grub Error 2

The problem started today after a restart to switch power sources. Before today it would reboot fine everytime. I recently did update Ubuntu before the problem started. I have tried the find ...
0
votes
1answer
89 views

Detect CPU during boot

I like to be able to detect the cpuinfo from during boot using grub2. Can this be done? What function should I call? Is there a manual that lists all of the function available to the grub2 env?
0
votes
2answers
1k views

Can't Reset Password - Ubuntu 10.04 on Hyper-V

I have a virtual Ubuntu 10.04 machine running under Hyper-V which I have lost the password to. With a physical Ubuntu box it's rather easy to press ESC at the grub prompt and proceed to reset your ...
0
votes
3answers
1k views

No Grub on VPS?

I bought a new VPS running CentOS 5.5, and I'm trying to upgrade my kernel. I've downloaded, compiled and installed it sucessfully, and now I need to set it up in the grub settings. But there's no ...
1
vote
2answers
4k views

Linux boot: Can I prevent the loading of a module using a boot parameter?

I know that I can blacklist a module in /etc/modprobe.conf or /etc/modprobe.d/blacklist, but I have a nasty module which loads before the filesystems are mounted (except /boot of course), so I assume, ...
1
vote
3answers
662 views

grub crc error after decompressing linux

I have a debian with a raid1 on it. Both HDDs have bootable flags and grub setup in MBR. If I only start up with sda, linux boots. If I only start up with sdb, grub shows up and says Decompressing ...
0
votes
1answer
224 views

Grub Error 18 - Solid State Drive

I recently used Raw Copy to make an image of my 300gb Raptor Hd to a OCZ Vertex SSD 60GB. And When I pluged in the SSD to boot I get a Grub Error 18. I have tried to changed in the BIOS setting to ...
2
votes
2answers
355 views

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 ...
0
votes
1answer
142 views

Rolling back Server edition from GRUB List (Ubuntu)

I seems i did some mistake, and installed Ubuntu server on my home based ubuntu box. and the problem is that GRUB places the server edition as a priority boot in the menu, especially when I upgrade ...
2
votes
2answers
2k views

Getting Grub2 to recognize a Raid 10 boot/root

I've been trying to get my raid to boot from grub2 for about 2 days now and I don't seem to be getting closer. The problem appears to be that it doesn't recognize my raid at all. It doesn't see (md0) ...
4
votes
2answers
3k views

How do I redirect the kernel console output on Ubuntu 10.04

When I reboot my Ubuntu 10.04 nodes, I'd like to be able to see the kernel boot messages when connecting to the IPMI interfaces using Serial Over LAN mode (ttyS0). What do I need to do to be able to ...
0
votes
3answers
427 views

Server Hangs on booting grub, Just displays “GRUB C”

I have install oracle linux 4.5 on server twice but having same problem. The server hangs on booting just displays "GRUB C" i don't know why is it happening. Please advice is it the drive issue.
2
votes
1answer
1k views

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 - ...
2
votes
2answers
2k views

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 ...
0
votes
1answer
932 views

Grub2 menu after VMware guest customization

I have ubuntu 9.10 desktop VMware VM with the default grub2 installed. There is some weird problem with this VM. When you clone this vm and have a customization script run, the cloned machine crashes ...
2
votes
1answer
1k views

Fedora 11 System - Failed Hard Drive Removed, and Boot gets GRUB Hard Disk Error [closed]

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 ...