Tagged Questions

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

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11
votes
1answer
1k views

Anyway to get GRUB failsafe to timeout?

I've got a bunch of headless servers installed in random (remote) locations all running Ubuntu 11.04. Sometimes the boxes go down and never come back up, eventually someone goes out to check on them ...
1
vote
3answers
2k views

Creating a partitioned raid1 array for booting a debian squeeze system

I'd like to have the following raid1 (mirror) setup: /dev/md0 consists of /dev/sda and /dev/sdb I created this raid1 device using mdadm --create --verbose /dev/md0 --auto=yes --level=1 ...
1
vote
1answer
157 views

Boot configuration error: Fedora 15

I have a Fedora 15 installation on VirtualBox. When I added another virtual hd it erased all the grub.conf. Now I'm trying to manually add the CD-LIVE correct command in grub.conf, but is giving ...
0
votes
2answers
756 views

Linux kernel upgrade broke : How do I remove the kernel that broke it all?

I just upgraded an Ubuntu 10.04 (Server Edition) to '2.6.32-36'. However, after doing that upgrade the server would not longer start and GRUB tells me that it is unable to read the header. I rebooted ...
2
votes
2answers
4k views

Run fsck -y everytime at startup on my main partition Linux

I have an embedded linux system. I use grub2 for the boot loader. I would like to run an fsck -y /dev/sda on /dev/sda every time it boots--even when the system had a power loss and the reboot command ...
3
votes
1answer
861 views

Why does 'aptitude safe-upgrade' cause Ubuntu's boot to hang on “Waiting for root file system”?

I launched an Ubuntu EBS instance on Amazon EC2 using the Ubuntu's very own latest AMI for 10.04 Lucid, ami-ad36fbc4` After getting the instance up, I ran the command sudo aptitude safe-upgrade ...
2
votes
2answers
571 views

Time drift in Cloud Server - need to mainpulate GRUB config

We are hosting a VPS on a popular host and are experiencing a regular time drift of several minutes a day forward (approx 7). Linux Kernel: 2.6.18-164.11.1.el5 GNU/Linux Distro: CentOS release 5.4 ...
1
vote
0answers
139 views

Xen Hosting - What Could Be Causing My Kernel to Not Boot - At All?

I have a VPS at Linode, and I'm trying to boot Gentoo's hardened kernel - which is patched with Grsecurity and PaX. On Linode, you can boot a kernel of your choice by utilizing their "PV-Grub" ...
1
vote
0answers
1k views

XenServer 6.0 upgrade pygrub error

Just upgraded our XenServer testmachine from 5.6 to 6.0, one of the vms' (ubuntu-server 10.04 LTS) will no longer boot. Error in XenCenter; 9/11/2011 3:48:23 PM Error: Starting VM 'TestDom-Ubuntu' - ...
0
votes
1answer
1k views

Linux: Rebuilding MD-RAID 1 array when one drive has been out of array for awhile

About a month and a half ago I noticed that the two hard drives in a (OpenSuSE 11.3) server were dying. Guessing based off the SMART data, I replaced /dev/sdb first; to do this I removed the drive ...
3
votes
3answers
2k views

How to install grub on multiple disks?

I have weird situation - order of disks as reported by BIOS, is different than order of disks that Linux sees. Which makes for problematic run - grub installs to sda, but bios boots from sdd or ...
1
vote
1answer
52 views

can grub be installed as first program on new machine? [duplicate]

Possible Duplicate: How to install grub on a completely empty hard drive? I've got a new os setup in virtualbox. I booted into it with gparted live cd. how can I install grub on the mbr ...
0
votes
2answers
199 views

Grub install devices & Software RAID

Server has a software RAID 1 (sda+sdb) configured as /dev/md0 device. Later system upgrade was launched and grub updated. Now it promped to select grub unstall devices from the list to finish update: ...
6
votes
3answers
170 views

Modifying grub.conf file in linux

I edited the 'grub.conf' file of my linux system and changed the 'timeout' value in it and added some other line so as to solve the timeout issue of 'xm console guest' command. I was fool to assume ...
5
votes
2answers
205 views

Moving an existing Linux into an LVM

We have a server with an existing Linux installation (CentOS 6) + boot partition on disk 1, and an empty disk 2. What we'd like to setup is this: One disk (1 or 2, doesn't matter): The main system ...
3
votes
1answer
2k views

Unattended grub-pc update

I would like to know how to update grub-pc on a ubuntu 10.04 derivative distro without the configure grub-pc ncurses based dialog. I have tried examining debconf-get-selections before and after as ...
4
votes
1answer
279 views

Grub 1.99 default?

I have been running into an issue. I have my grub set to run the only OS on power on, and the BIOS to automatically restart the machine if it dies. The issue is that if the machine dies (from say a ...
2
votes
1answer
470 views

Can't install grub, missing sda?

all. I've been struggling with this for a few hours. Can't seem to be able to install GRUB. I'm on a VPS, and what's in /dev looks weird to me: drwxr-xr-x 7 root root 1920 Sep 3 11:51 . ...
1
vote
3answers
96 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
62 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
629 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
193 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
204 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
455 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
584 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
2k 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
1k 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
135 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
2k 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
492 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
466 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
394 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
379 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
281 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
3k 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
724 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
174 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
143 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
797 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
368 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 ...
36
votes
7answers
20k 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
121 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
368 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
411 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
279 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
511 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 ...