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

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3answers
108 views

boot manager for two partitions on different HDD

Is there a way to install a boot manager to the MBR, like GRUB, so that I can choose from my IDE drive running Windows 7 Pro and my SATA drive running Windows Server 2008 ? The way it is now is that I ...
-1
votes
1answer
63 views

How can you change the grub default operating system from the grub menu? (i.e. without booting further)

As frankly the computer I'm trying to adjust is in a very difficult and public place so the less keystrokes the better!
1
vote
1answer
1k views

Finding the LVM root volume while in the Grub 0.95 CLI without access to the grub.conf file

If I have my root device is a LVM logical volume, how can I figure out the path via the Grub CLI without access to the original grub.conf file? This is for use in the kernel command's root and ...
0
votes
1answer
220 views

Centos 5.5 SoftRaid Grub Installation

I did the Soft RAID 1 installation with Centos 5.5 on my server with 2 SATA 1TB disks. I followed this great guide here: http://wiki.centos.org/HowTos/SoftwareRAIDonCentOS5 However, there is one ...
1
vote
1answer
210 views

Ubuntu 10.10 unattended grub2 downgrade

I've got to install a few machines with grub legacy on them due to issues with symantec ghost (ghost is a requirement that can't be dropped). i've got a script that prepares machines, but there's a ...
0
votes
1answer
534 views

“signal out of range” when starting grub after Natty server installation

I get “signal out of range” displayed on screen after boot up from fresh Ubuntu installation, if flashes grup in corner for half a sec then it goes to “No Input Signal”, anyone got a clue how to get ...
1
vote
1answer
781 views

grub rescue prompt

Had win7 and ubuntu installed on laptop and inadvertently selected the recovery option in boot menu - exited and now all I get is error: no such partition grub rescue> set returns: ...
1
vote
2answers
3k views

GRUB2 not detecting OS on raid partitions

I have recently added a drive to a system and have successfully raid'ed (RAID-1) the paritions, with the exception of the boot partition. I have it ready and mirrored, but can't get GRUB2 ...
2
votes
3answers
2k views

Debian boot problems

I've got Debian server with one disk. No dual boot or anything fancy. Just Debian 6.0 (Squeeze). I rebooted the server today and now it doesn't boot. I get the following (from GRUB): error: ...
0
votes
1answer
163 views

install grub on disk image

I have disk image with 2 partitions: Partition 1 has cramfs file system (read only). This partition contains all system files of the OS Partition 2 has ext3 file system. This partition has only ...
1
vote
1answer
3k views

Rescuing grub on RAID+LVM

I have a dual SATA drive setup for a file storage/general purpose box, which is arranged thus: /dev/sda1 + /dev/sda1 = /dev/md0 RAID1 --> /boot /dev/sda2 + /dev/sdb2 = /dev/md1 RAID1 --> LVM with ...
1
vote
1answer
554 views

Ubuntu Server 10.04 64 bit Clonezilla image shows grub menu at startup

I've successfully cloned an entire disk of one server using Clonezilla live. The only problem is after cloning, the grub menu displays on boot. Grub menu settings are carried over from the cloned ...
2
votes
1answer
552 views

Debian - corrupted GRUB

I have installed Xen on Debian following the official manual from debian.org. After that I runned grub-update and some time later removed Xen, including xen kernel. I runned grub-update one more time, ...
1
vote
1answer
453 views

How can I force my terminal to run high resolution in non-X11 environment in Linux?

I just installed Scientific Linux and I've had a high resolution terminal, then I upgraded my video driver to enable some features of my video card but with that my terminal went to regular resolution ...
0
votes
3answers
416 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
327 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 ...
4
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
182 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
149 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
1k 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
389 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
2k 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 ...
49
votes
7answers
33k 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
128 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
441 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
470 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
329 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
538 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
872 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
304 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
2k 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
939 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 ...
6
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
411 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
641 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
8k 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
137 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
611 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
986 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
752 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
99 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
92 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?