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

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0
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1answer
94 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?
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votes
2answers
2k 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 ...
2
votes
2answers
5k 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
728 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
230 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
356 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
143 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
3k 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
502 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
1k 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 ...
2
votes
1answer
3k views

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 ...
1
vote
2answers
1k views

Grub entry to boot from cd rom?

What would be the grub entry to boot from cd rom? (so the boot loader of the cd rom should be loaded and executed next) Grub is installed on the hard disk and should not live on the cd rom. I want to ...
1
vote
2answers
1k views

how to make grub always select the default option, even if first boot fails?

we have a temporary requirement to have several small PCs running ubuntu 9.10 running 24/7 in an environment where the mains power isn't very reliable. The machines are in a remote location and hard ...
1
vote
1answer
221 views

Fastest way to migrate Linux data

I'm looking for a fast to migrate Linux installation to another hardware. As I wrote in another question (http://serverfault.com/questions/110501/unable-to-access-resume-device-in-centos), I moved 2 ...
1
vote
1answer
4k views

Unable to access resume device in CentOS

I moved my CentOS soft-RAID1 drives to another box, and now it fails to boot. When I launched the boot process from the grub menu, I get the following error: "Unable to access resume device ...
0
votes
2answers
1k views

Cannot restore grub for Ubuntu 9.10

I have a hard drive with some partition for windows (NTFS) and 1 partition for linux and 1 partition for linux swap. Recently, I tried Norton Partition Magic Pro 8.05 (comes with Hiren Boot CD). It ...
1
vote
1answer
642 views

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 ...
1
vote
2answers
753 views

Multiple boot options (in grub boot list) appeared after yum update

I am quite new to Linux administration so I am having trouble understanding yum update and grub boot list. I recently did a yum update on an old CentOS machine. Everything is good except there is ...
4
votes
3answers
26k views

How do I chain boot from grub to syslinux?

I am expanding my rescue usb flash disk. The USB's partition is bootable, and I have installed GRUB to the MBR of the jump drive. It works pretty well - I can boot Freedos and run some utilities,and I ...
1
vote
3answers
2k views

How to install grub on a completely empty hard drive?

Normally, there are solutions available out there to restore grub or install grub provided that linux in installed first. How can I install grub while not having any partition which has an installed ...
1
vote
2answers
244 views

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 ...
2
votes
3answers
3k views

How can I boot from .iso images stored on the harddrive?

I want to put a .iso file of a bootable linux CD on the harddrive of my computer. I want to have it boot using grub (or lilo), and have it boot from the .iso file as if the .iso was a real CD in the ...
1
vote
2answers
90 views

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
votes
3answers
2k views

Why is GRUB drive enumeration different before and after boot?

I'm looking at a system with Debian/Lenny on a couple of old IDE PATA drives (several RAID-1 partitions including /boot) and a relatively recently added SATA drive. The system works fine but I've ...
1
vote
1answer
466 views

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 ...
0
votes
3answers
2k views

Unable to boot into Windows Vista, gets into grub prompt

I have the following scenario: I had a dual boot option on my laptop with Windows Vista Home Premium and Red Hat Linux Enterprise Edition 5.0. In order to install Ubuntu on the partition having RHEL, ...
4
votes
2answers
3k views

Enabling AHCI in RHEL5 post-install

I have two servers running RHEL 5.4 quite happily. However, through simple oversight, AHCI/hotswap support was not enabled in BIOS at install time and is now needed. The machines are running ICH10R ...
32
votes
2answers
34k views

How do I tell if grub is installed on a device?

How can I tell if grub is installed on a disk, and if it is what settings it has (noteably, what it has for the root parameter) I need to check a lot of disks in software RAID1 arrays to make sure ...
2
votes
3answers
4k views

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 ...
0
votes
1answer
609 views

What are the device numbers in the root command in grub config menu.lst

I'm trying to set up raid1 on my linux machine and all the tutorials explain changing your grub config. Fine, but I like to understand what I'm doing. The man page for grub leaves out the interesting ...
0
votes
4answers
2k views

How to install Debian Lenny using Grub 1

I'm trying to install Debian on my macbook without using rEFIt. Fedora worked just fine before, and Debian installs allright, but it uses grub2, and the EFI just won't see it. I've tried the expert ...
1
vote
2answers
432 views

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 ...
2
votes
2answers
4k views

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 ...
0
votes
2answers
454 views

Copying Windows to a second drive and booting via grub?

Here is my situation: I have a netbook with an 8gb SSD as its first drive and a 32gb drive as its secondary drive. I was hoping to install windows xp on a 20gb partition and then share the remaining ...
0
votes
1answer
722 views

Debian update confuses GRUB with md0 not sda1

I removed a software RAID setup on a server I took over several years ago and everything worked fine until I upgraded the kernel the other day. It seems when debian updated the grub menu.lst file it ...
5
votes
4answers
1k views

The Gentoo live-cd shows my drives as “hda”, but booting into my own kernel shows “sda” (therefore, boot fails). What should I do?

The Gentoo live-cd shows my drives as "hda", so I followed the Gentoo handbook and configured my partitions as "hda". However, the boot failed because, when booting into my kernel, it wanted to refer ...
2
votes
2answers
2k views

Kernel Upgrade - Grub default

I'm planning on compiling my own kernel, which I've done many times before but as always there's still a chance this could go wrong and the machine could fail to reboot. This machine is within a ...
1
vote
1answer
2k views

Gentoo and GPT Grub support

Grub seems to support GPT, or so it says, there is a patch for it, however when i try to boot after installing grub into the active boot partition (ext2) it starts to boot and before grub loads any ...
2
votes
5answers
818 views

Help fixing GRUB for linux/winxp dual boot scenario

a long story here, but basically I had windows xp on sda1 aka (hd0,0) and ubuntu on sdb5 aka (hd1,4) and they were booting fine. Something messed up with ubuntu, I reinstalled, and tried to fix grub.. ...
0
votes
3answers
3k views

Boot Debian Linux from image on external USB drive

I have an external USB hard drive with one big VFAT partition. In order to run Linux occasionally on a Windows system, I'd like to maintain a Debian Linux installation in one big file (say ...
5
votes
4answers
455 views

Linux/Windows dual boot

I have a system running Ubuntu 9 and would like to install Windows 7 RC on it in a dual-boot configuration. Is there a way to make Windows play nice with grub or am I going to have to install Ubuntu ...
0
votes
4answers
3k views

Linux boot hanging after GRUB

Got an ESX server that's not booting after an array rebuild. Grub appears to be working properly, but I'm not getting any sort of response after the "boot" command. No error, no message, just a ...
7
votes
6answers
9k views

Install GRUB on NTFS

I would like to install 2 completely independent instances of Windows XP (no data should be shared) in my computer within 2 different primary partitions. I know that grub can handle booting them ...
2
votes
3answers
2k views

Grub Error 2 in Ubuntu Jaunty Server

Ran into a problem on a fresh Jaunty server install on a NAS box with 2 SATA cards controlling 6 total disks. The install runs fine, but once it completes and asks for reboot, I get Grub Error 2 on ...
34
votes
2answers
20k views

Damaged /vmlinuz and /initrd.img symbolic links after Kernel uninstall

OS: Ubuntu 8.04 LTS Server Edition We just rolled back an kernel update using the following command: sudo apt-get remove linux-image-2.6.24-24-server The uninstallation was successful, but it had ...