0
votes
0answers
40 views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
0
votes
1answer
129 views

Why is my machine not showing anything when booting?

I'm using Ubuntu Server 11.10 x86, and after I make my normal selection (Ubuntu, with Linux 3.0.0-12-generic-pae) from the GRUB menu, the screen just goes blank - there's not even a cursor showing up. ...
0
votes
0answers
23 views

What is the issue with the boot setup on this raid array?

After a secure erase of /dev/sda (Samsung 840 Pro) I had to setup grub on /dev/sda2 (for some unknown reason the /boot partition is the second one). So I ran something like this: grub root(hd0,1) ...
0
votes
2answers
113 views

Does the initramfs image file need to be updated whenever grub.conf is modified?

I am trying to puzzle out a linux boot configuration problem involving legacy grub (0.97), LVM2, and dracut and trying to eliminate a few red herrings. My trial and error process goes like so: ...
2
votes
1answer
655 views

What is the correct way to install software RAID 1 in CentOS 6.4?

I'm going to install CentOS 6.4 on HP ProLiant ML310e Gen8 server. This server has fakeraid controller so i decided to use software raid. The problem is that i don't know how to correctly install GRUB ...
0
votes
1answer
276 views

Accidentally ran grub-install incorrectly, now have a grub prompt but no menu

tl;dr: I fat-fingered grub-install, then "correctly" re-issued it targeting the /boot filesystem on /dev/sda1 but it isn't reading grub/grub.conf unless I expressly tell it where to look using the ...
1
vote
2answers
274 views

fix kernel on Xen Server hypervisor vps

I have a cloud server hosted at Rackspace, and they use Xen Server hypervisor. I was running Ubuntu 12.04, and really messed up by attempting to do a release upgrade manually. The hypervisor ...
0
votes
1answer
209 views

Ubuntu / GRUB reboot loop

I had to shutdown a server due to a power outage... The machine's been working just fine, an Ubuntu 12.04 box. Now when I boot back up, I get the GRUB 1.99 boot menu with several options, all of which ...
2
votes
1answer
129 views

I'm stuck on choosing the right Linux bootloader for software RAID-10

I'm installing Gentoo on a SOHO server with 4 500GB Hitachi hard drives. I was able to boot from Live USB, created RAID-10 array /dev/md0 with the following command: mdadm --create /dev/md0 ...
1
vote
0answers
77 views

Fresh debian squeeze software raid install wont boot

I am following these instructions: http://www.iprobot.net/linux-tutorial/how-to-setup-software-raid-in-debian-ubuntu/ (I used debian-live-6.0.6-amd64-gnome-desktop.iso and DD'd that onto a usb key, ...
0
votes
1answer
99 views

How is GRUB config is read before filesystem is mounted?

During Linux booting how is the contents of grub.conf read since the file system is not mounted yet?
0
votes
3answers
107 views

Boot another OS e.g. Windows *once* on a dual-boot machine

I have a dual-boot machine with Windows and Linux on it. It doesn't reside at my hand, instead , it's placed in the datacenter which I have to access remotely. For most of time, I work on Linux. But ...
0
votes
3answers
369 views

Update Grub In Another filesystem

My cloud server hosted in Rackspace stopped working after I installed some GUI application in Ubuntu 12.04 which automatically installed it's dependency package ubuntu-desktop (or some other similar ...
0
votes
0answers
256 views

How to troubleshoot EC2 fails to reboot?

I really don't understand EC2, or whether it actually uses GRUB to boot my Ubuntu server, but trying to boot my instance gives the following log output: Fri Oct 26 17:05:57 UTC 2012: shutting down ...
1
vote
1answer
951 views

Rackspace Ubuntu 12.04 server stuck in initramfs after kernel upgrade

Can't boot after I did a aptitude full-upgrade and let it update menu.lst (did a diff first and it looked good). This is what I've done so far in the BusyBox shell: mkdir /tmp/xvda1 mount /dev/xvda1 ...
0
votes
1answer
103 views

How to make a bootable USB out of my VPS?

I copied a backup of my entire VPS (Debian on OpenVZ) on a USB drive, and want to boot from this USB to test something on my server (in fact its duplicate). However, there is no nothing in the boot ...
2
votes
1answer
273 views

Move grub from USB to HDD

I install Ubuntu from USB. After complete installation I reboot my PC, remove flash frive and try to boot to linux. But I can't. because grub installed into flash drive and I see text: grub ...
2
votes
1answer
401 views

Error 5 partition table invalid or corrupt

I'm trying to add a second SSD to a Centos 6 system. But I get the Error 5 partition table invalid or corrupt at boot. The system already has a single SSD (sdb) and a pair of HDDs (sd{a,c}) in a ...
2
votes
2answers
1k views

How to boot GRUB2 so it mounts “root” on a different drive (remote server without kvm switch)

Summary: I created a copy of the root file system on a raid array (with one disk on it), and im trying to get the system to boot off that newly copied drive. Background: 2 disks of same size in ...
1
vote
1answer
142 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 ...
3
votes
3answers
867 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 ...
5
votes
2answers
199 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 ...
1
vote
3answers
87 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 ...
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
125 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
273 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 ...
1
vote
1answer
954 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
139 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
645 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 ...
0
votes
1answer
334 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 ...
1
vote
4answers
4k 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 ...
2
votes
3answers
2k 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
1answer
89 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
81 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?
1
vote
2answers
3k 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, ...
2
votes
2answers
347 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 ...
4
votes
2answers
2k 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 ...
2
votes
1answer
914 views

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 ...
2
votes
1answer
2k 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
598 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
20k 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 ...
2
votes
3answers
2k 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 ...
2
votes
3answers
1k 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
428 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
2answers
448 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 ...
2
votes
5answers
802 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
2k 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 ...
4
votes
6answers
1k views

Easy Bootloader for USB Thumb Drives

Are there any bootloaders designed for usb drives that make it easy to boot multiple distributions and utilities. I've installed sysrescuecd, supergrub, ultimate boot cd and other various linux ...