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

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41 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) ...
2
votes
0answers
631 views

How can I determine if nohz=off (CentOS 6.4 64bit - Hyper-V)

I've edited /boot/grub/grub.conf and added nohz=off to the command line of the default kernel. I do not see any difference, kernel is compiled with 1000Hz, but when I test with the following tool: ...
2
votes
2answers
488 views

How to update-grub on a system running overlayroot?

We ship boxes configured with overlayroot, using the following overlayroot.conf: overlayroot=device:dev=/dev/sda6,timeout=20,recurse=0 Which produces the following mount configuration: $ mount ...
0
votes
2answers
275 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
2answers
3k 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
2answers
1k views

grub always will boot to grub command line

I have a remote CentOS 6.4 server (with KVM access), when I received the server it was running with LVM on single disk (sda) I managed to remove LVM and install raid 1 in sda and sdb disks the ...
0
votes
1answer
931 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 ...
0
votes
3answers
1k views

How can one choose a new kernel on boot, running a dedicated server?

As part of installing proxmox on a dedicated server running Debian, it installed a new kernel. As part of the install instructions, I am supposed to choose the new kernel in grub. However I dont have ...
0
votes
1answer
630 views

Ubuntu 12.04 - Grub1 won't load new kernel

For some reason I can't get grub to load the new kernel. I tried removing the old kernels with aptitude and running update-grub but it still loads the old kernel - even though I've removed it! I ...
1
vote
1answer
982 views

How to boot after RAID failure (software RAID)?

Previously I had a software raid set up using (mdadm) of drives sda and sdb. sdb failed and the only way to reboot the system was by unplugging the second hard drive. Now I've added fresh sdb and sdc ...
0
votes
1answer
2k views

Fixing a failed grub upgrade on RAID

We just upgraded out dedicated server from Debian Lenny (5.0) to Debian Squeeze (6.0). In the process, the grub upgrade failed. I (perhaps foolishly) followed the advice at ...
0
votes
1answer
1k views

How to boot RHEL5 into failsafe mode from GRUB?

I'm locked out of a Red Hat Linux 5 machine and need to "break in" to reset the root password. I've done this before by interrupting GRUB and putting the machine in failsafe to get to root, but I can ...
1
vote
2answers
620 views

Grub can't find Xen multiboot file

I am running Debian Wheezy on a software RAID 0 with LVM. I'm trying to get Xen to work but grub refuses to boot in it. I installed Xen by following the instructions here: http://wiki.debian.org/Xen ...
0
votes
1answer
512 views

An Error Occurred Installing Boot Loader (SLES 10.1)

I am trying to install SLES (SuSE Linux Enterprise Server) SP 1 onto a server but I'm having an issue with the bootloader. I go through the install, more a less default options except Gnome Desktop ...
1
vote
2answers
485 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
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2answers
823 views

Strange Ubuntu boot up warning

I have a VM (Xen based), I can boot up the machine but there are some warning during the boot up. Are they normal? If not, how to solved? md: Scanned 0 and added 0 devices. ...
1
vote
2answers
876 views

RHEL 6.4 custom dvd boot issue

I'm creating a custom RHEL 6.4 iso to save myself time while rebuilding standalone hosts. Before I customize the menus and add the extra kickstart files in I have tried a simple unpack -> repack to ...
0
votes
1answer
397 views

/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/sdam1

When upgrading the kernel I get: /usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/sdam1. Check your device.map. Auto-detection of a filesystem of /dev/sdam1 failed. Please report this ...
1
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0answers
329 views

CentOS 6 won't load default (new) kernel, loads (another) older one instead

I am having a weird issue with a CentOS 6 system. I have upgraded the kernel twice now and when I reboot the system it still loads the older kernel. I also had a dc tech watch the screen as it ...
1
vote
0answers
331 views

GRUB is not loading - error: two disks with number 3

After rebooting my Debian 6.0 server I am getting these errors on load (captured it through kvm console): error: found two disks with number 3 error: superfluous RAID member (2 found) error: file not ...
1
vote
2answers
2k views

CentOS 6 Xen guest fails to boot after 'yum update'. Kernel?

I Seem to be having an issue with a Xen guest not booting after a yum update. DomU Configuration: #kernel = '/boot/solus-vmlinuz' #ramdisk = '/boot/solus-initrd.img' bootloader = ...
1
vote
1answer
113 views

Does Ubuntu 12.04 LTS support booting from RAID 6?

I'm setting up a new Ubuntu server using 12.04.2 LTS. I have five drives that I am setting up in a RAID 6 with LVM. Can I use this for bootup? Or should I make a separate RAID 1 partition for bootup ...
0
votes
1answer
529 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
219 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 ...
4
votes
2answers
4k views

mdadm raid 1 grub only on sda

I just finished setting up a CentOS 6.3 64bit server with mdadm however a lightbulb went on and I realised grub would only be installed on the first drive which is about as much use and an ashtray on ...
2
votes
4answers
13k views

Debian boot to single-user mode

I forgot my root password and am attempting to change it by booting into single-user mode, however when booting I get this screen: Then I press "e" to edit the boot configuration and I get this ...
1
vote
0answers
92 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, ...
4
votes
2answers
5k views

X86 Solaris boot failure

We had a power outage last weekend that seems to have done some very bad things to one of our x86 Solaris machines. It is refusing to boot, and dropping me to the "grub>" prompt when started. I can ...
0
votes
1answer
111 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
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3answers
123 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 ...
-2
votes
2answers
797 views

centos 6.2 grub fails with a black screen with a blinking cursor, but works when manually entering boot command line

At $work we have a custom install of CentOS 6.2 (a pre-prepped image with a reduced set of packages). The normal CentOS 6.2 install works fine. The custom one fails to boot as follows: grub starts ...
0
votes
1answer
80 views

How do I skip the installation of grub in my VPS?

I am upgrading Ubuntu 11.04 to Ubuntu 11.10 and it asks me to install grub, I do not want to do so as I am in a VPS, how can I skip installation of grub ? If I close the session, then it shows ...
0
votes
1answer
471 views

Why can't execute GRUB command on Debian Squeeze 2.6 with GRUB already installed?

I installed Debian Squeeze 2.6 (on a recently bought server) with a software RAID1. During installation I installed GRUB loader (1.9 version). System boots OK with GRAB loader BUT right after ...
3
votes
1answer
1k views

Linux server not booting after rebuilding software RAID

I have a dedicated server at 1and1 with a software RAID. I believe it's running CentOS. The hardware team at 1and1 replaced the secondary hard drive (sdb) and then I followed these instructions to ...
0
votes
1answer
2k views

grub does not use settings from /etc/default/grub

I setup a new ubuntu quantal system and edited /etc/default/grub as follows: # If you change this file, run update-grub afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 GRUB_TIMEOUT=5 ...
0
votes
1answer
642 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 ...
4
votes
1answer
5k views

Cannot install grub to RAID1 (md0)

I have a RAID1 array on my Ubuntu 12.04 LTS and my /sda HDD has been replaced several days ago. I use this commands to replace: # go to superuser sudo bash # see RAID state mdadm -Q -D /dev/md0 # ...
0
votes
3answers
593 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
1answer
191 views

Booting Fedora guest VBox on /dev/mapper/vg0-fc17-root [closed]

I already have the following logical volumes: host:/dev/mapper/vg0-fc17-boot (guestOS:/dev/hdb) formatted as ext4 (no partition table) host:/dev/mapper/vg0-fc17-root (guestOS:/dev/hdc) formatted as ...
1
vote
1answer
1k 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
127 views

Installing a custom 'non-rpm' kernel in CentOS 6

I've built a custom kernel using kernel.org, it has no .rpm file. How do I manually: Install the Modules to /lib/modules (make moduleinstall or something?) Make the initial ramdisk Update grub I ...
0
votes
1answer
139 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 ...
1
vote
1answer
1k views

xvd device support with Gentoo running in Xen HVM guest

I'm trying to install Gentoo into a Xen HVM guest. Everything went fine with the install up to the point where you do the grub-install. Apparently, grub does not know about block devices labeled ...
0
votes
1answer
5k views

Solaris10 x86 mirror. Making second disk booteable when failure

Did a mirror (RAID1) with Solaris 10 in x86. Everything OK. Now, I´m trying to make the second disk booteable, this is: from grub or in case of failure of disk1. I edited /boot/grub/menu.lst: ...
7
votes
2answers
12k views

How do I set the default kernel parameters in CentOS for all existing and future kernels?

I'd like to remove the rhgb and quiet kernel parameters which are used by default when the kernel is booted in CentOS 6, but I want this to apply to all currently installed kernels as well as any ...
0
votes
1answer
176 views

Software to automate physical provisioning of GRUB, linux, windows, dualboot

Is there software that can help automate (or make it repeatable) setting up PC's or lab servers where the setup includes GRUB for bootloading multi-boot for Windows, Debian, CentOS, etc. I was ...
2
votes
1answer
344 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
610 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 ...
0
votes
2answers
1k views

Restore GRUB after Windows installation (Arch Linux)

After installing Windows 7 Ultimate x64 on a machine running Arch Linux the MBR became rewritten (I do not think GRUB has been uninstalled). Arch is now unbootable except if I use the live-CD to boot, ...
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 ...