Grub (GRand Unified Bootloader) is a bootloader package.
0
votes
1answer
18 views
How do I install Grub2 on the first hard drive but Ubuntu on the second?
I want to install the OS (Ubuntu 12.04) on the second hard drive, but I'm unable to access the BIOS so I must install Grub on the first hard drive. How do I install Grub on the first hard drive, and ...
0
votes
0answers
26 views
grub2: how to bypass “press any key”? [migrated]
I recently updated my motherboard and moved my grub2 onto EFI partition. I have same grub menu, but after I select a menu entry and press Enter, a message "Press any key" comes and the loading stops ...
0
votes
0answers
62 views
Ubuntu 12.04, after reboot, ping but don't have any service up ( ssh / apache )
I need a little help, I just reboot a ubuntu server 12.04 without any special modification, it doesn't start anymore, I have a ping return but connection refused on SSH and apache is not started
Here ...
0
votes
0answers
20 views
How to extend /boot which is not on lvm
I have a machine with 100 mb boot partition but for installing new kernel with other module it needs additional 50 MB.
How can i extend it its not on LVM.
If i attach new disk and copy whole content ...
1
vote
0answers
47 views
Ubuntu 10.04 Server stuck at grub prompt
I have a virtualized server running 10.04 LTS that is no longer booting. We had a number of issues with our SAN that abruptly disconnected the storage from the virtual machine infrastructure and ...
5
votes
0answers
229 views
Grub2 reports physical volume pv0 not found on server non bootable anymore
I first installed my ubuntu server (11.10 amd64) using lvm but not fully mastering the concept of it. I think that's partly what made the mess of partitions on my two disks (seems to me). I installed ...
0
votes
1answer
292 views
How to setup grub for raid-1 on already setup 12.04?
Final objective: Two disks, one old, one new. Need to setup raid-1 without re-installing ubuntu. System is Ubuntu 12.04. Note that I am trying everything in a virtual machine (virtualbox)
What I have ...
1
vote
0answers
71 views
Single drive LVM to RAID6 LVM
I cloned my entire LVM volume group from a single drive to a RAID5 array with 3 disks. The VG is formed by these logical volumes:
root
swap
home
... and other volumes of some XEN virtual machines.
...
0
votes
1answer
455 views
How do I get rid of my duplicate GRUB entries? (Ubuntu 12.10, RAID1)
I have a Dell R300 machine running Ubuntu 12.10:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.10
Release: 12.10
Codename: quantal
$ uname -a
...
2
votes
1answer
200 views
How do I use memtest86+'s “badram” output with GRUB2? [closed]
So after a while of things randomly crashing, I let memtest86+ run overnight, and it found errors.
I enabled the "badram" error output, but every few seconds it shows me a differing selection of ...
1
vote
0answers
234 views
grub boot failed after upgrading to ubuntu 12.04 LTS
no such disk error occured.
I tried to format and reinstall 12.04, the problem remained.
I also repaired with boot-repair, the problem remained.
http://paste.ubuntu.com/1224005/ is url of the ...
0
votes
1answer
78 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 ...
0
votes
1answer
1k views
How to force Debian to boot new Kernel?
I'm running Debian 6, Debian GNU/Linux, with Linux 2.6.32-5-amd64 under Grub2 ( 1.98+20100804-14+squeeze1) on a remote system (no possibility to view the pre-boot messages). I compiled and installed a ...
0
votes
1answer
389 views
Upgrade grub to grub2 with MD RAID
I have a machine running Debian 6. Because of some recent changes, I tried upgrading to Grub2 (yes, grub legacy was installed by default). Everything went well (chainloading, reboot) until I started ...
1
vote
1answer
144 views
How do I correct the kernel version loaded by Grub2 in Ubuntu 12.04
I have a linux vps running Ubuntu 12.04 and when I run uname-r it replies:
paul@webforms:~$ uname -r
2.6.32.33-kvm-i386-20111128-dirty
paul@webforms:~$ sudo grub-install -v
grub-install (GRUB) ...
1
vote
0answers
96 views
grub2 failing to detect md0 for /
I recently set up a raid 1 array. Both / and /boot are on md0 (sda, sdb).
everything was working when it was in degraded mode before I synced the two disks together. It was booting from grub2 on ...
0
votes
0answers
229 views
Using Facebook's Flashcache on root particion (/)
I'm tring to implement Flashcache for a root particion for an ubuntu box. There is an excellent doc how to do this in flashcache:
https://github.com/facebook/flashcache/blob/master/README-DKMS
My ...
1
vote
0answers
85 views
Grub2 Command Line Restarts On Any Command
I've been attempting to configure a software raid1 using a pre existing Ubuntu 12.04 install by following the guide here. I successfully completed step 4 but then couldn't get Ubuntu to boot into the ...
0
votes
1answer
61 views
Installed kernel not in /boot
I have a LAMP configured Ubuntu 10.04 LTS VM on my ESXi server.
I've installed the "Virtual" kernel but only the original "Server" kernel is available at boot. ls /boot only shows files associated ...
1
vote
0answers
288 views
Grub2 won't install on fresh Ubuntu 12.04 LTS Server installation
I have a hardware RAID 1 which seems to be recognized find by the Ubuntu installer. I choose the "Entire Disk - Guided" partition strategy and accept the defaults, writing them to disk. When it ...
1
vote
2answers
601 views
Advanced configuration of Grub2 for RAID5 + Encrypted LVM where /boot needs redundancy
I recorded my complete installation until failure in case you have a question about the installation which I did not provide an explanation for below: http://www.youtube.com/watch?v=BVe5vja3keo
...
1
vote
0answers
164 views
update grub2 without hardware access (e.g. in a chroot)?
I'm writing a script that takes a master KVM image, converts it to VDI, makes a few changes to it,
and offers it up for download.
I need to update the kernel boot parameters for some of the newly ...
0
votes
1answer
2k views
Setup grub2 on a GPT software raid 3 TB HDD
I like to setup grub2 on a GPT softare raid 3 TB HDD.
Number Start (sector) End (sector) Size Code Name
1 2048 1050623 512.0 MiB FD00 Linux RAID
2 ...
2
votes
2answers
795 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 ...
2
votes
1answer
789 views
Grub2 reports physical volume pv0 not found when probing/installing
I upgraded a Ubuntu Maverick to Precise server but I get the following error while updating grub:
error: physical volume pv0 not found.
Now, for my system I have /dev/sda through /dev/sde
...
0
votes
0answers
318 views
Ubuntu/Debian Grub2 show stopper [closed]
I am trying to setup my own home server - headless. It is a Fit-PC2 machine (full tech specs here: http://www.fit-pc.com/web/fit-pc/fit-pc2-specifications/ ) with 160GB HDD so it has limited BIOS ...
5
votes
1answer
5k views
Ubuntu server, gpt partition table, mdadm, grub boot fail
Basic working system details:
I used the Ubuntu 12.04 server CD to install a server.
I have 4 disks. On all disks I did the following, similar to this howto :
created a 2GB swap partition
created ...
1
vote
2answers
1k views
RAID6 mdraid -> LVM -> EXT4 root with GRUB2?
2012-03-31 Debian Wheezy daily build in VirtualBox 4.1.2, 6 disk devices.
My steps to reproduce so far:
Setup one partition, using the entire disk, as a physical volume for RAID, per disk
Setup a ...
2
votes
1answer
854 views
How can I find out where GRUB was installed?
I need to find where GRUB was installed, for example, which drive/partition. Is it possible to figure out where it was installed?
1
vote
1answer
1k views
Unable to boot after updating to kernel-3.1.4-1 in fedora 16
I was using kernel-3.1.2-1 in fedora 16. then updated to kernel-3.1.4-1. after reboot now grub shows command prompt instead of boot menu. i tried to load manually with:
set root=(hd0,msdos3)
linux ...
2
votes
2answers
2k 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
105 views
Package upgrade on Ubuntu raid server and grub setup issue
I have remote Ubuntu 10.10 server running on raid system. I did package upgrade yesterday night for security reasons. During the upgrade, grub installation screen appeared and asked me which partition ...
2
votes
2answers
457 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 ...
0
votes
2answers
181 views
Ubuntu: Configuring grub2 on a backup disk
I'm running Ubuntu 10.04, and planning to upgrade. Before I do, though, I want to make sure my backup/restore processes work. My backups, of course, have been running since I first installed 10.04, ...
1
vote
0answers
475 views
squeeze with lvm on top of raid 0 fails to boot using grub2
GRUB Loading
Welcome to GRUB!
error: no such device: <GUID>.
Entering rescue mode...
grub rescue> ls
(hd0), (hd0,msdos2) (hd0,msdos1)
grub rescue> set
prefix=(hd0,msdos1)/grub
...
2
votes
1answer
2k views
grub2 does not find /boot on RAID1 md0 device
I have RAID1 md0 for /boot consisting of 4 partitions (sda2, sdb2, sdc2, sdd2).
I'm using GPT on 2TB HDDs, so first partitions on each disk (sda1, ...) are 1-megabyte bios_grub partitions.
I also ...
3
votes
2answers
3k views
How do I add xen kernel boot parameters in grub2?
I know that I can add command line parameters to the grub2 command line by editing
/etc/default/grub according to this answer
How do I add a boot parameter to grub2 in Ubuntu 10.10?
However, that ...
1
vote
1answer
175 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 ...
1
vote
2answers
1k 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 ...
4
votes
2answers
365 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
544 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 ...
19
votes
7answers
7k 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 ...
3
votes
3answers
2k views
Linux Software RAID1: How to boot after (physically) removing /dev/sda? (LVM, mdadm, Grub2)
A server set up with Debian 6.0/squeeze. During the squeeze installation, I configured the two 500GB SATA disks (/dev/sda and /dev/sdb) as a RAID1 (managed with mdadm). The RAID keeps a 500 GB LVM ...
1
vote
1answer
590 views
Update Grub on Squeeze - Kernel downgrade due VMware Server [closed]
I happen to run into various problems regarding grub and kernels. I don't really care about the kernel internas. All I want is VMware server in that dedicated root-server.
1.) What is a bzImage vs. ...
1
vote
1answer
574 views
How do I add a boot parameter to grub2 in Ubuntu 10.10?
I got my Ubuntu server built and working, but I have to manually add a boot parameter ("no-hlt") into grub to start. I'm running maverick so it's grub2..and I can't figure out how to put it in so I ...
0
votes
1answer
784 views
Xen 4.0.1 on Ubuntu 10.10 not booting
I'm trying to get Xen 4.0.1 run as dom0 on a fresh/clean install of 10.10 desktop (x64).
Followed the step by step tutorial at http://wiki.xensource.com/xenwiki/Xen4.0
I have the pvops kernel in ...
-1
votes
1answer
254 views
How do I log in to the ubuntu 10.04 server using grub2 from a remote computer/terminal with GUI running
I upgraded my server from ubuntu 8.04 to 10.04. It now uses the grub2 bootloader. In 8.04 from the grub log-in page I could select the option log in to server and thereby connect through SSH directly ...
0
votes
1answer
682 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
...
0
votes
2answers
480 views
Debian update to Grub2 boot problems
I recently installed Debian Lenny on a VM and ran all apt-get updates which also upgraded Grub to version 2.
I followed all the instructions (as best as I could) and everything works fine except it ...
1
vote
1answer
992 views
Ubuntu Server Won't Boot to Raid 1 Array
I have a 4 drive RAID array. A small part of each disk is partitioned and used in RAID 1 for /boot. Everything else is RAID 5. When I start the computer GRUB2 shows up and I can use its command line ...
