Ubuntu Installation :: Chain GRUB From Truecrypt And Its Bootloader (multiboot Alongside XP)

Aug 23, 2010

I want Truecrypt to ask for password for Windows XP as usual but with the standard [ESC] option, on selecting that, i.e via Escape key, I want it to find the grub for the (unencrypted) Ubuntu install. I've installed Windows XP on the 120Gb hard drive of a Toshiba NB100 netbook then partitioned to make room for Ubuntu 10.04 and installed that after the Windows XP install. When I encrypt Windows XP, Truecrypt will overwrite the grub entry in the master boot record (MBR), I believe (?) and I won't be able to choose between XP and Ubuntu anymore. So I need to restore it back.

My setup:

Windows XP, NTFS (to be encrypted with Truecrypt), 40Gb
/boot (Ext4, 1Gb)
Ubuntu swap, 4Gb


The key area of the problem is how to instruct Truecrypt when escape key is pressed, and how the Grub/Ubuntu can be made visible to the truecrypt bootloader to find it, when the esc key is pressed. Also knowing as chaining.

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OpenSUSE Install :: Multiboot Bootloader - Cannot Restore Grub

Apr 13, 2011

I installed Gnome 3 on a free partition of my netbook but I lost the boot to my suse kde...(MBR). I launched a live CD on USB but cannot restore Grub; the only way is to reinstall the KDE. Then it boots but does not show Gnome 3. Why the installer does not take into account both OS?

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Ubuntu Installation :: Cannot Multiboot .04 From Windows XP Bootloader

Jun 1, 2010

I am trying to install Ubuntu10.04 on my machine which already has on it, Win XP. Lemme lay down the setup of my machine first of all.

I got a new 320GB HDD of which I have taken 20GB as the primary partition and installed Win XP on it. Took another 220GB as an extended partition for my data storage. Around 63GB was remaining which I left it as unallocated. Decided to try Ubuntu, but preferred to boot it from the windows bootloader. Downloaded and burned the Ubuntu-10.04-desktop-amd64.iso(have a AMD x3 425 machine) and tried an install on 30GB of the 63 left.

I did not try any partition scheme. I chose the manual partition option, made a 28GB ext4 partition, made it primary, mounted the /, took another 2GB for the swap and proceeded. Chose advanced option and installed grub on the 28GB(/dev/sda6) and completed the installation.

Since no grub was installed, Ubuntu was not available. So then, used the bootpart utility to point grub to the windows bootloader, but it did not work, was giving me error when I chose Ubuntu from the bootmenu modified by the bootpart.

So tried booting with the same install cd, chose Live Ubuntu this time and mounted the 28GB, copied the first 512bytes using dd if=/dev/sda6 of=ubuntu bs=512 count=1 to a usb drive. Rebooted into windows and copied the file to C: and added it to the boot.ini. Rebooted and tried choosing Ubuntu from the boot menu but it does not work. I get a blank screen with the cursor blinking.

The machine is new and BIOS is LBA enabled by auto.

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Ubuntu Security :: Truecrypt With Multiboot I10.10/7?

Mar 21, 2011

I work for a all-in-one IT company, basically businesses hire us and we will fix all their problems from servers to pencil sharpenersI want to get some background with UNIX so i wanted to multiboot linux on my laptop and use it for a few weeks. After a few hours of trial and error i managed to install it! So to the point: i used Truecrypt to encrypt my laptop and it used a special boot loader that made me input the password just after the post.My question is, can i use Truecrypt with a multiboot 7/ubuntu? After it took me hours to install this , running into and trouble shooting various problems that were probably just my ignorance, but Linux feels very fragile and i do not want to screw it up.

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Ubuntu Installation :: Multiboot - Change Which Version Of GRUB Is Used When Boot Up?

Aug 18, 2010

I'm having an issue with GRUB, I have four OSes on my hard drive. Here they are in the order I installed them:

Windows 7 (Windows bootloader)
Ubuntu (GRUB 1.97)
Debian (Some ancient bootloader)

(For those of you unfamiliar with it, YLMF OS is an Ubuntu-based distro re-skinned to look like Windows XP. Other than the theme and branding it's exactly the same as Ubuntu) Each time I installed another operating system, it replaced my original bootloader with its own. I made the mistake of installing Debian last, thus leaving me "stranded" with an old version of GRUB. Since at the time I was relatively inexperienced with Linux, I solved the problem by reinstalling Ubuntu, which then replaced the bootloader with GRUB 1.97.

I mainly use YLMF OS, and so when I wanted to change some GRUB menu settings (the default entry, timeout, etc.) I naturally changed the /etc/default/grub file in the YLMF OS partition, not the one in Ubuntu. Once I rebooted I realized that my changes weren't being applied for that reason. Thus my problem is that my computer is using the GRUB that Ubuntu installed, not the one YLMF OS came with. How do I change which version of GRUB is used when I boot up? Yes, I could just change the settings in the Ubuntu partition, but YLMF OS came with the newer/est version of GRUB, so I want to use that instead.

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Software :: Dual-Booting With Ubuntu Using Grub 2 And A Truecrypt Windows Installation

Apr 29, 2011

I've been trying to get a dual-boot system with a truecrypted Windows partition and grub 2 in combination to work successfully and to date, I haven't had much luck. I'm using the grub 2 version from Ubuntu 10.04.2 LTS.I understand from searching through Google that there is presently no easy way to chainload the Truecrypt boot loader from Grub 2 in a similiar way that was done with Grub 1. This is because the Grub 2 payload is much larger and actually overwrites some of the Truecrypt boot loader, preventing it from starting.Does anybody know what might be going wrong here? I've been looking for ages now and can't seem to find any solution to this problem apart from restoring the Truecrypt loader to the hard disk and trying to chainload Grub 2 from Truecrypt. I'd rather use Grub 2 as the main loader though as Ubuntu Linux will be the main operating system in use.

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Fedora Installation :: Add Ubuntu's Grub To The Bootloader?

Aug 9, 2009

I recently installed Fedora on a triple boot system with Winows XP and Ubuntu JJ. how to add Ubuntu's grub to the bootloader. Here is the output of Fdisk -l.

[root@localhost rabbit]# fdisk -l
Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes


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Ubuntu Installation :: Windows XP Took Over The Grub Bootloader?

Sep 4, 2010

i had a dual boot xp/ubuntu first. later i had to format and reinstall xp. this deleted the grub bootloaderplease let me know, how to fix this! please make it simple . i have the live cd, but i don't have internet connectivity in ubuntu.

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Ubuntu Installation :: Get Windows Bootloader And Then GRUB?

Sep 1, 2011

I installed Ubuntu and Windows 7 on my computer. I first get the Windows bootloader telling me choose between Windows or Ubuntu. If I pick Ubuntu, I then get a GRUB loader telling me to choose between different versions of Ubuntu and Windows 7. How do I remove GRUB and just use Windows bootloader?

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Ubuntu Installation :: Grub Installation And Revert To Windows Bootloader?

Feb 22, 2010

i've been using ubuntu with wubi, and I'd like to install it on my new hard drive (so windows is on one hdd and ubuntu is on another). afaik, grub will be installed on the hdd w/ ubuntu, and i have to set it to recognize the other (windows) hdd. assuming that i want to get rid of ubuntu and just use windows, what steps do I have to take to do so? (if grub is only on the ubuntu hdd, then would I just have to format it?)

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Ubuntu Installation :: Windows Bootloader Returns To Grub

Jun 7, 2010

When I try to boot into windows through grub it just returns to the grub menu.also system recovery options from bios just end up in grub screen too.here is boot script.From reading forums I think I need to get grub out of windows partition but I don't know how

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Ubuntu Installation :: Add Windows 7 Directly To GRUB 2 Bootloader?

Oct 30, 2010

Anyhow, I'm a n00b to the Linux world, so I installed it on my Windows 7 desktop to dual boot. Current configuration is as such:160GB HDD with 3 partitions: Ubuntu Studio 10.10 on one, Win 7 on another, and the third is for storage.1TB HDD for extra storage.So far, all is well, but I'm not pleased with the default GRUB options and layout. It gives me 4 options to choose:

-Ubuntu Studio
-Memtest Debug Mode (or something to that effect)


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OpenSUSE Install :: Multiboot System, But Last Bootloader Install Doesn't Work?

Feb 16, 2010

I've got a multiboot system with Windozin the first drive and first partition like everyone recommends. I have several distro's and just let them install their bootloaders, but always on hd0 mbr. I installed Debian 5.0.1 this way and it wouldn't boot, so I got SGD to "fix" it, which it said was successful, but all I get is a partition doesn't exist when I try to boot. I put Debian on /dev/sdb3, I loaded Linux Rescueand mounted sdb3 and verified that its menu.lst had the right boot numbers (hd1,2). fdisk even showns /dev/sdb3 as boot as shown by the asterisk under the boot column. Should I do a complete reinstall of grub, maybe using one of the other distro's as the holder of grub? At one time they did all the grub launching as each addition was made

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Fedora Installation :: No Grub Bootloader On Reboot

Nov 2, 2010

Just got done installing F14 64 and all went well however when I rebooted the machine it boots straight into windows, where is my GRUB boot loader? Only one drive in this machine (sda) and I remember going through the GRUB settings during the install. How to get a bootloader working now because in my linux experience (since RH5) it has always just installed the bootloader and worked. Apparently ext4 is bunk for me and when using LVM settings. I am up and running and grub is working.

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Ubuntu Installation :: Remove GRUB, Restore Windows Bootloader?

Jan 15, 2010

Basically, I used a USB stick to run ubuntu 9.10 live, then tried to install to an external 500gb HDD connected with a Sharkoon Drivelink USB adaptor. The installation went fine, but I get a GRUB error 21 when booting a lot of the time. I figure this is due to the way in which the drive is connected. I am a complete noob, and I want to just ove GRUB completely and restore my Vista bootloader. Unfortunately, I do not have an installation disk as my laptop didn't come with one, and none of the others I have other PC's are the same version (home premium 32-bit).If you know of a way to fix the GRUB issue/sso I can use the external drive I would love to hear them too, but the main aim of this thread is to help me remove GRUB and restore the windows bootloader. If any more information is needed, just ask and I will provide it.HP Touchsmart TX2-1010Windows Vista Home Premium 32-bitExternal HDD:Seagate Barracuda 7200.11 SATAII (with jumper set for 150mbps)

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Ubuntu Installation :: Removing Windows Entry From Grub Bootloader?

Jan 26, 2010

I currently dual boot and wish to know how to remove the Windows partition/drive while still allowing Ubuntu 9.04 to load safely as my main OS. I know how to restore windows partition by;

If MBR gets damaged boot from MS Windows Xp disc, Select "R" for "recovery console", select main windows installation drive (admin password usually nothing, just press enter) and type "FIXMBR" this will allow you to boot windows again, but Ubuntu partition will be unbootable and require installing ubuntu again to dual boot.

But this leaves Ubuntu partition Un-bootable as it removes the grub menu, how would I do the same for Ubuntu and make window partition un-bootable so I can remove it?

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Ubuntu Installation :: No Grub Bootloader - Rescuing System Not Enabled?

Mar 26, 2010

I had installed ubuntu, then windows xp, surprise surprise I lost the boot loader for ubuntu. I have 2 different live boot cd's one for 9.10 and another for 10.04. My PC would be running 10.04, if I could install grub. When I go to help on the live boot disk menu, it tells me that rescuing a broken system is not enabled on either disk, though I downloaded a full copy of the disk when I downloaded it. What can I do to get grub back onto my computer? I deleted the XP partition hoping that would help. It didn't now the pc will only boot when I have the live boot cd.

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Ubuntu Installation :: Triple Boot With Current Grub 2 Bootloader

Jul 31, 2010

I currently dual-boot XP and Debian sid. I currently have XP on /dev/sda1, sid on /dev/sda2 with /home mounted separately on /dev/sa3, swap is /dev/sda4. I have free space in both sa3 and 4, mostly in 4, of course. What I'd like to do is add a third partition, either with or without a separate home mount, but have my current grub2 still be the bootloader. I'm thinking I'll give a total of 33 G to it (I keep almost nothing on my hard drive, it's all on the cloud). I want to install Kubuntu and try it out, I've burnt the Live CD and it's very cool.

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Ubuntu Installation :: Redirecting Grub 2 (Bootloader) Menu Entries

Feb 23, 2011

I'm familiar with Ubuntu and the like, and have GRUB 2 installed as my boot-loader. I was wondering if there was any way to get one menu entry to be re-directed to another. Specifically, whenever I select my third menu entry, I want it to execute the code on menu entry 10. My reason for doing this would be that after customizing my GRUB 2 menu, I came into the problem of updated kernels. Basically I would like a single "Ubuntu, Latest Kernel" entry that always redirected to menuentry 10, where my latest "Ubuntu, linux 2.6.xx-x-generic" entry is. In order to temporarily solve my issue, I've set my "/etc/default/grub" file's "GRUB_DEFAULT" to "9", although I'd rather not do this.

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Ubuntu Installation :: Way To Make Grub Bootloader Automatically Boot

May 26, 2011

I just want to ask if there is a way to make grub bootloader automatically boot to ubuntu every start up. And only make the bootloader appear when I press a certain key(ie. F7) so that I can boot to windows when I do not want to boot on Ubuntu.

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Debian Installation :: Install Grub On Master Bootloader / If Installation Is Going On Separate Hard Drive?

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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Ubuntu Installation :: Installed Alongside Win7 But GRUB Doesn't Appear; Just Boots Win7

Dec 31, 2010

Just installed Ubuntu 10.10 onto my new netbook from a USB stick. The laptop came with Win7 Starter, which I kept on a small partition. Installation was apparently successful, but when I start up the computer, it will go straight to Win7 and GRUB doesn't appear.

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Ubuntu :: Grub Installed On MBR - Ability To Chain Load?

Apr 17, 2010

I have created a boot floppy for an old machine. That machine has GRUB installed on its MBR and I would like to be able to chain load to that in the case where the floppy has been accidentally left in (in much the same way that the install CDs do for Ubuntu). If I use:

rootnoverify (hd0)
chainloader +1

GRUB tells me this is an illegal device name. If I provide a partition number (e.g. hd0,0) then it is happy, but attempts to find the loader in the partition, not the MBR. Since the descriptions of "root" and "rootnoverify" both specify a device, rather than a partition.

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Ubuntu Installation :: Recover Deleted Bootloader Files By Mistake (not GRUB)?

Mar 26, 2010

I cannot boot into by Ubuntu 9.1 machine.... Trying either GUI or rescue mode gives me the following error messages (which i copied by hand since they were in cli)

Code: mount : mounting /dev/disk/by-uuid/64e5cb0d-058a-4a4c-af4b-7afb6427a72e3 on root failed : invalid argument

mount : mounting /sys on /root/sys failed : no such file or directory
mount : mounting /dev on /root/dev failed : no such file or directory
mount : mounting /proc on /root/proc failed : no such file or directory

Target doesnt have /sbin/init The only thing i remember doing before this is deleting some bootloader files... but they were on another disk so I didn't think that it would affect my ubuntu install. Guess I was wrong how I can recover my system?

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Ubuntu Installation :: Windows Reinstall Deleted GRUB Bootloader (Natty)

Jul 11, 2011

I got a system crippling virus on my windows installation. My recovery disks gave me the same problem. So I installed Win 7 enterprise using a disk my dad got from his work. The installation went smoothly. When I started my computer after it went straight to Win 7 without the GRUB bootloader (not the case with restore disks). Could somebody please help me with this issue because I cant stand using Windows for anything other than games much longer.

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Fedora Installation :: Switch Back From Windows Bootloader To Grub?

Feb 4, 2009

I thought it would be cool and easy to install Windows 7, ended up being a headache and worthless so far. Now I only have the windows bootloader with vista and windows 7 as options. How can I get grub going again? I have all 6 fedore core 10 cds and a live cd in case those will help, I am using the live cd to play in fedora right now, but I am not sure how to get access to grub.conf and what to change in it, because I am pretty sure I have to add Windows 7 to it.

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Ubuntu Installation :: Grub Failed - No Windows Boot Option - Add Back To Bootloader?

Jul 27, 2010

Whenever I load Ubuntu on a machine with other OS(s) loaded it always recognizes and adds an entry in the bootloader menu. Not this time. Well kind of. After the install my windows boot option was in the menu, but after an update it is no more. I see the different Linux images... but no Windows boot option. Can someone tell me how to add my windows XP boot option back to the bootloader? I have XP on the the on the 5th partition and Ubuntu on the 6th...

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Ubuntu Installation :: Grub Bootloader Picks Recovery Partition For Win7 As Vista

Aug 19, 2010

I'm having an issue installing Ubuntu with Windows 7 Home Premium 64-bit through Wubi. The Wubi installation works great and Ubuntu seems to install after the first reboot after selecting Ubuntu from Windows' boot menu, however whenever I select Ubuntu from Windows' boot menu after Ubuntu installs and it reboots for the second time, it loads the GRUB bootloader, however Ubuntu isn't listed at all.

Windows 7 is listed twice and Windows Vista is listed (seems it picks up the recovery partition for Windows 7 as Vista) and when I select the first Windows 7 from the GRUB bootloader, it just goes back to Windows' boot menu with Windows 7 and Ubuntu as the selections. If I select the second Windows 7 from the GRUB bootloader, it'll boot Windows 7 like normally. It looks like Ubuntu is nowhere to be found. Because of that, I just ended up uninstalling it.

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Debian Installation :: Broken Grub Bootloader After Install On USB Flash Drive

Nov 11, 2015

I have an issue after the installation of debian 8.2 on an usb flash drive:

I had debian 8.2 and windows 8.1 running on a single SSD. Everything was fine. I wanted to install a second debian on a 32gb USB flash drive as a live system. After the installation I am not able to boot my debian (SSD) without the flash drive plugged in. I only get a grub rescue prompt. Booting windows still works. It is also possible to boot both debian systems if the USB drive is plugged in.

So it seems to me, that the debian bootloader was accidently installed to the USB flash drive and the original bootloader on the SSD does not work properly anymore. I used a netinst image from a second USB flash drive to install debian to the first USB flash drive.

Update fdisk output:

/dev/sda1 2048 2050047 2048000 1000M Windows recovery environment
/dev/sda2 2050048 2582527 532480 260M EFI System
/dev/sda3 2582528 4630527 2048000 1000M Lenovo boot partition
/dev/sda4 4630528 4892671 262144 128M Microsoft reserved
/dev/sda5 4892672 223840255 218947584 104,4G Microsoft basic data

[Code] ....

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Ubuntu Installation :: Dual Boot With Debian - Write /dev/sda1 To The Bootloader Rather Than /dev/hda1 Using Grub-mkconfig?

Aug 19, 2010

I installed Debian on my PC and then installed Ubuntu. This worked fine and I could dual boot between the two. The PATA disk was /dev/hda on debian and (I think) /dev/sda on Ubuntu. I copied the entire disk to a sata disk using dd from knoppix and put the PATA one to one side. Now the Ubuntu comes up fine but when I boot debian, it complains about references to /dev/hda1, which is present in grub - root=/dev/hda1. Debian now expects sda references rather than hda references. How do I persuade Ubuntu to write /dev/sda1 to the bootloader rather than /dev/hda1 using grub-mkconfig?

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