Ubuntu Installation :: Grub.cfg Gets Wrong When Installing On Usb Hard Drive?
Jun 6, 2011
I have a HP Compaq 6710b notebook with W7 on it. I want to use Ubuntu for hobby activities, but as this is a company notebook, W7 should remain intact. I decided to install Ubuntu to an external drive.I set BIOS boot order to CD-USB-HDD.I attached a 2.5" 250GB WD Passport usb hard disk and installed Ubuntu to it from the CD.As a result, the clean install doesn't boot, I get a mere grub console (normal, not rescue).
Examining the situation I learned, that during Live CD session the inner hdd is hd0 and usb drive is hd1. Grub.cfg gets compiled to use /dev/sdb.When booting from usb drive, BIOS makes it to be hd0 and inner hdd becomes hd1 so grub tries to load kernel from W7 partition (and can't find it, I wonder why? )How to fix problem? Although grub.cfg is supposed not to be edited, may I change every sdb to sda in it?
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Apr 18, 2010
I'm running into a weird problem when trying to install from the live CD I'm running. Basically, I have two hard drives: sda, a 160GB HDD which has Windows 7 on it, and is the one I would like to put kubuntu on; and sdb, which is a plain 500GB NTFS file system I keep all my personal stuff on.When I get to 'disk setup' and choose 'install side-by-side', it defaults to sdb instead of sda and I can't change it. I've created a 20GB partition on sda, which is where I want to put kubuntu, but it still defaults to sdb. I also can't figure out how to install to where I want using the advanced partitioning menu.
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Jul 6, 2010
I have a system with two hard drives: an old one with XP and Ubuntu on it, and a new one on which I have done a fresh install of XP. The BIOS is set to boot off the new drive. I have now installed Ubuntu Studio 10.04(off an alternate install disc, not a live CD)onto a partition on the new drive. The installation went fine, but it appears to have written the GRUB bootloader to the old disc. The result is that when I boot up, the system boots straight into XP off the new drive, without ever seeing GRUB. I could reset the boot order in the BIOS each time I boot according to which OS I want, but that is cumbersome; also I would like to be able to remove the old drive at some point.
What is the easiest way for me to re-install GRUB to the new disc ?
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Jun 19, 2011
I would like to install Linux Ubuntu 11.04 on an external hard drive - its partitioned and ready for Linux.I've downloaded and burnt the .iso file to a DVD so its all good so far...First of all... is this possible without messing up my macbook? I don't particularly want to break into my macbook to disconnect the hard drive (I read on a tutorial for a previous version of Ubuntu that I'd have to do that... - does it still apply to 11.04?) - as it voids the warranty (I checked ).The reason I ask this is because I had a friend who partitioned their internal hard drive and installed Ubuntu on it. But after installation was complete they couldn't boot up Windows 7 or Ubuntu... and it resulted in them having to clean install Windows 7... - I don't want to end up in that situation
Second... If it is possible to install it without messing up my macbook... - Do I just follow the install instructions but just make sure that where possible I make sure that everything is installed on my external hard drive?...I really need someone to put my mind at rest that everything will run smoothly and that I'll be able to run Mac OS X as usual but also that I'll be able to boot from my external hard drive to run Ubuntu.
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Apr 11, 2011
I've been reading and searching the forums here and most of the problems I have read about stem from writing the grub2 to the MBR of the primary drive. So i'm trying to avoid these problems if possible. Heres what I'm trying to achieve. I have two seperate hard drives in my PC, on the first is Vista Home Premium 64bit. The second drive is now completely empty and has just been reformated to NTFS with the standard 4096 setting.
I would like to install Ubuntu 10.10 and grub2 onto the second drive so that nothing is written to the primary drive at all. In a thread I read it mentioned that to do this I would need to use a "Specify Partitions Manually (Advanced)" option. My thinking is that I can just use the same process I'm using to run Ubuntu from a dvd disk to start Ubuntu once installed on the second drive. The process is an F10 "Boot Menu" when the computer is first turned on just before it starts to run Vista.
So my question is about the advanced installer options. Is there a walkthough available anywhere? (with screenshots maybe). I'm just worried that something may come up in the advanced installer that I have no knowlege of. I can re-format the second drive again from within Ubuntu running from disk if I need to (NTFS???). Also when running Ubuntu from disk I can still see the main primary drive and all its files. It would be nice to have this option but its not essential. My system. Windows Vista Home Premium 6.0.2002 SP2 Build 6002. 64 Bit, Intel Q8200 Quad core, 8GB Ram, Nvidia 9600GT 512MB
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Apr 24, 2010
So i have a computer running ubuntu, but i need to use this computer to install another OS to a hard drive connected via USB that will be installed on a laptop. How do i do this with an ISO file?
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Nov 24, 2010
I have been playing around with Linux Fedora 14 for a while but would like to expand my skills. I am running Fedora 14 on a usb drive connected to my laptop via an e-sata connection. I have approx. 165 gig of space on the drive at present and I would like to dual-boot with Suse 11.3. I have set-up my bios to boot via my usb hard drive. If possible I would like to show my available o/s when I boot my fedora setup. I am probably not explaining this very well but basically I want to be able to run the 2 linux o/s from my usb drive.
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Jul 21, 2010
I have a dual boot machine windows xp & Ubuntu 10.04. I want to use Grub 2 to boot an Ubuntu 8.04 32bit live cd image off my hard drive. I put a copy of the 8.04 iso in a new directory /boot/iso. I added the following lines to my grub.cfg.
menuentry "Ubuntu Live 8.04 32bit" {
loopback loop /boot/iso/ubuntu804.iso linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu804.iso noeject noprompt --
initrd (loop)/casper/initrd.lz
}
[code]....
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Feb 20, 2010
I looked around on these forums and google and came to no solution so, I decided to make this thread. I'm using Windows XP and after I downloaded and tested out Ubuntu 9.10, I decided I'd like it as a second OS, can I install Ubuntu on my external hard drive (1TB)? would installing on an external hard drive take away the risks of losing data etc? If I installed Ubuntu on my external hard drive would it delete any files already on my hard drive?
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Apr 19, 2011
I tried to do this and something went wrong, and caused so much trouble that I decided I didn't want to do it at all. Then I changed my mind today, and decided I'll try again even after all that happened.
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May 19, 2011
At present I have a hard drive with three primary partitions and one extended (logically split).
I'm runnining win 2k pro in each primary partition.
I'm about to reformat the middle primary partition and would like to take this opportunity of trying Ubuntu using the middle primary partition.
I'm using GAG to switch from one partition to another.
Is there any reason why trying Ubuntu in the middle partition would cause problems.
I think I read that Ubuntu can mess up the MBR.
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Nov 7, 2010
I have Fedora 14 installed on my usb drive, works perfectly. What I would like to do is:- install Open Suse on the same drive, sharing the same swap, boot section but splitting or resizing the home partition, can this be done? I installed Fedora by booting up from a disc, plugging in my usb hard drive and then installing to that. Would I follow the same procedure for my 2nd installation, I think so but am open to correction. My laptop bios supports booting from disc and I have some 204 gig of free home space.
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Jun 16, 2010
I have 6 hard drives that have 9.10 and 10.04 on them. Not as a dual boot, but some hard drives have different versions on them. When I have plugged the drives in a couple of weeks later, the grub is gone and system will not boot. I get like a grub 1.5 error and that is all the options I have. Does anyone one know why this happens? Nothing on the drives but the O/S to get rid of windows. All drives worked perfect until they were removed and installed later.
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Jan 17, 2011
Upon installation of Ubuntu a while back, i was using a windows xp machine with two different harddrives. Instead of formatting the xp drive and installing Linux, i decided to install Linux on the secondary harddrive. This worked all fine and dandy until recent, when I have found my linux drive filling up near capacity. I would like to format the XP harddrive and mount it in linux to give some more disk space. The problem i have found, is that the XP drive is the drive with GRUB.
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Aug 9, 2011
I tried doing a search and couldn't find anything relatively recent on the topic so here is my question.
I am fairly new to the linux world and am in the process of trying out a couple different distributions. I am doing this by installing them to an external hard drive. This allows me to test them out without affecting my main system in any way. I have already tried openSUSE and it installed with no problems. I am trying to install Ubuntu, however when the installation tries to install GRUB2 it fails asking me for a different location to install it to.
When installing I unhook all drives from the computer except for the dvd drive, usb drive I'm installing from, and the external hard drive I am trying to install Ubuntu to. I'm not sure what else may be of use.
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May 26, 2010
I just tried to install F13. I can't install grub to any drive other than that which F13 gets installed on. When I click on the drop-down menu, only /dev/sdd is available.
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Aug 31, 2010
I have created usb stick from which I install fedora. The bootloader is on the MBR of the usb stick and I want to put it onto the harddrive.I have tried running grub and setting up the MBR on the hard drive, but attemts to load the kernel fail with "Error 15: File not found".
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Jul 16, 2009
How do I add another Windows XP SATA Hard Drive to this Grub menu, on a USB Stick?:
timeout 30
default 0
#
[code]...
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Jul 10, 2009
I've been running Debian Lenny kernel 2.6.26 w/ desktop kde3.5 on my laptop for a while, and im going to take a trip in which i will be unable to take wmy laptop with me. However, where i am going contains computers and i figured if i could install debian onto my external harddrive, i could just boot onto the other computers. I install it using the debianlenny-i386 dvd image. However whenever I try to boot it from a computer. Grub returns
Code:
Grub Loading...
Error 21
and then the blinkng cursor. On one site i found something saying "you may need to activat the drive" and some command-line instructions on how to do it. However the commands have faded from memory and i am now unable to find that site again. Could anyone offer insight on how to fix this "grub error 21" or how to activate it. I run primarily debian but i have a windows partition on one of my relative's computers.
Thank you in advance for the help!!!
btw I'm installing on a western digital 500gb "passport" external hard drive with ext3 and swap partitions.
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Feb 5, 2010
I am helping my pal to get into Debian (yes first timer).He is running W7 on a 500G SATA HDD and he has another 250G SATA HDD that he wants Debian to go to.Will Debian install grub on the master bootloader even if the installation is going on a separate hard drive?I have dual boot before but on the same hard drive.
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Feb 8, 2010
I am trying to run Ubuntu 9.10 from a USB drive on an old laptop with a dead hard disk.An added complication is that it does not support USB boot, only CD boot.So with the help of URL..., I am running grub from a cd and then booting the kernel from the USB (or something like that).
The problem is that after I do this, I get about 6 minutes of error messages as the kernel tries unsuccessfully to read my dead hard disk ("buffer I/O error on /dev/fd0" or something like that). I can post again if the specific error message would be useful. (But it takes so long to reboot that i'd rather not). I can tell it is trying to access my hard disk as I hear the disk occasionally spinning (it intermittently spins and does not spin). After many failures, the system successfully boots and runs from the USB drive.I tried removing the hard disk from the machine entirely, but this triggers an ASPI error and the kernel hangs.So ideally I would like to modify the kernel command line above to instruct it to ignore the hard disk. I read some kernel documentation but it proved a little bit too advanced for me.
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Mar 4, 2010
I'd like to install Lucid on a spare hard drive I have, so I can do my bit for testing it. I have a feeling that if I just burn the latest alpha .iso and install from that, it will replace my current GRUB, whereas I would prefer to simply add the Lucid install as an option in my current GRUB.
Of course I might be wrong, I just wanted to check before I went ahead with it. I was unable to find the info I needed via searching.
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May 25, 2010
I have Ubuntu/Vista dual boot desktop with Single HDD (200GB) that i cloned to an external USB HDD (320GB) using clonezilla. My intention is to use the external HDD as a backup to up running in case my 3 year old desktop HDD fails. To make sure the clone is good to use if need, i connected external HDD to USB port and tried boot from it but got "Error 18". I tried to Google got some infoDid a fdisk -lu and got the following.
Code:
Disk /dev/sda: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders, total 390721968 sectors
[code]....
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Dec 26, 2010
I installed Ubuntu 10.10 onto my laptop and got a new plug and play device that wasnt being read so I went to go and install windows onto my laptop and when I get to the screen to select my partition it says its unreadable or its not detected but when I restart it it works fine in loading ubuntu.
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Apr 9, 2009
I have got a hold of a extra hdd along with a hdd enclosure. I have tried looking for information on how to install linux on to one but haven't been completely successful on my search. So I turn to all of you. I was also wondering if its possible to have it were I can use it on multiple computers so I can use it for computer repair.
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Feb 8, 2010
I've tried to be clever but as usual I didn't think before acting and missed a small detail.
I have recently installed karmic (dual booting with Vista) on my dell xps laptop. The install went fine, I'm very happy with my new OS.
I bought a new Seagate 500GB portable external HDD. I got a bit over-excited and installed karmic on the external drive. This worked fine and I got a lovely (but slow to appear) Grub2 menu showing my vista and both ubuntu options.
My problem is that now, when I unplug the external drive, Grub fails and I get a grub rescue> prompt. So I need the external drive to be plugged in if I want to boot.
It seems I have done something to the grub configuration. I have read around the subject but I am not confident about how best to proceed.
I understand there is an 'advanced' option in the installer which will allow me to choose where to install grub. Presumably I want it on the internal drive so that I can boot without the external one plugged in.
Am I right in thinking I can just pop in my install disk and redo the installation?
If I indicate I want to install Grub on the internal drive, which partition should I aim for?
Will I get a grub option for booting to the external drive?
Will I be able to plug the external drive into a different machine and boot from it?
I haven't done anything with the fresh install on the external drive so I don't mind losing that.
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Jan 23, 2011
I've just installed a second hard drive in my laptop with windows 7 on one drive and Ubuntu on the other. I selected the side-by-side install in the Ubuntu install and let Ubuntu do the rest. Unfortunately Grub isn't seeing the windows install even after reconfiguring grub. However, the windows 7 drive is visible in Ubuntu and all the windows files are there intact.
Does anyone know how I can make grub see Windows 7 so I can boot into it?
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Feb 1, 2010
I installed unbuntu 9.10 on a dual partition for alongside windows. Grub failed during installation and now I can not boot to windows or ubuntu. I can not repair with the windows cd, I can not do anything in Windows recovery no format, no fixboot, no chkdsk, no anything, it tells me there is no valid drive when I am in dir C:. In Ubuntu live CD I can see all the files are there on the local disk. What do I need to do to fix this
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Jul 15, 2010
The default (graphical) installer did not work on my PC (i7 quadcore 8 GB DDR3). I have installed Ubuntu using the alternative installer (Desktop, 64 bit) on my external USB drive. I installed grub on the MBR of the second drive (/dev/sdb) as I did not want to touch my (first) Windows disk. After reboot (chosing the USB drive as boot device, else Windows is booted) grub reports an error and enters the rescue mode. I tried all possible combinations of "root=(hdX,Y)" in grub.cfg to no avail.
I repeated the whole procedure but now disconnected the internal HD with Windows. Installation went smooth again (Windows disk was not seen this time), but after reboot (the internal drive connected or not) I again get (slightly different this time) grub error: can not find file.
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May 15, 2011
[URl]also I wonder why there is such a gap between the size of the files (7 GB) and their size on the disc (44 GB)
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