Ubuntu :: Booting Windows From Grub2 Without Chainloading?

Jun 4, 2010

if it is possible to boot windows without the chainload option. I don't have xp on the first partition and I don't want to load xp bootloader on the first partition because it will overwrite grub2. All I want to do is boot xp directly from grub, is this not possible? Can't I just load the kernel like I do with linux? I've never had luck with getting grub2 to load xp, P.S. grub version is 1.97 from ubuntu 9.1 install

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Ubuntu Security :: Dual Booting With Truecrypt 6.3a Chainloading Grub2

Jan 4, 2010

I'm having problems getting TC to load grub2 1.97b4. When I hit ESC from the TC boot prompt, I get "no bootable partitions found".

I also booted into Ubuntu Live cd, mounted my LVM dm-crypted volume and tried to reinstall grub2 to my nonencrypted /boot under /dev/sda3 and TC still wont boot. Then I set the boot flag on /dev/sda3 and it still won't boot.

These are the commands I used to install grub2 to my /boot partition. Atleast that's what I think it did.

grub-install /dev/sda3
grub-install --recheck /dev/sda3

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Fedora :: Chainloading Grub2 From Grub 1?

Feb 1, 2011

A little background: my primary install is fedora 9, I'm migrating to 14, and I need to change some partitioning (but not the F9, which is first on the drive). Because I installed a newer ubuntu a while back, I've been using ubuntu's grub2. That ubuntu partition needs to be moved, so I re-installed the grub 1 from F9 onto the MBR so the F9 doesn't depend on anything else.

This is when I learned grub 1 does not support booting ext4 partitions (which ubuntu uses). However, fedora claims that you can install grub 2 and have it chainloaded from grub 1, and in fact yum install adds a line to your existing grub 1 config to do so. That seemed like a nice solution since then all I would have to do is copy some grub.conf from the ubuntu partition into the F9 grub 2.

However, chainloading grub 2 does not seem to work very well. At all. I get to the grub 2 menu, but any option I choose -- including loading the F9 partition on which both grub 1 and 2 are installed, using the default config created by the installer, leads to an "unrecognized command" error, as if grub 1 was crapping out on a grub 2 config.

Anyone else had this problem? Better yet, has anyone done this successfully with any fedora version? I can backup ubuntu and copy it back in after I re-work my partitions, but while I'd prefer not to have to use grub 2 on the MBR, I'd still like to be able to boot ubuntu.

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General :: Chainloading With Grub And Grub2?

Dec 20, 2010

I multi-boot Windows XP and 5 Linux distros on a single hard drive. Some of the distros come and go but I keep at least two that are my daily use distros. My boot loader is grub1 located on a ext3 formatted distro. I have installed a distro that requests the partition be formatted ext4, which I did. I have been trying to edit my grub1 menu.lst so that I can chainload the ext4 distro get errors or it goes to the command line with the last word being Grub. My question is, can grub1 ext3 chainload a grub2 ext4 distro?

Here is a sample of my menu.lst
title MEPIS at sda7, newest kernel
root (hd0,6)
kernel /boot/vmlinuz root=/dev/sda7 nomce quiet splash vga=789
initrd /boot/initrd.img


Mepis is the location of my menu.lst and is ext3 on sda7 and aptosid is the ext4 distro that I am trying to boot on sda9 and it uses grub2.

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General :: Chainloading Grub2 For A Multiboot Setup?

Nov 24, 2010

Don't know if I should have posted in Ubuntu specific section but since it involves grub2 and a quirk in my bios, I have attempted to multiboot 3 Windows versions and the problem I had was intalling a second Ubuntu. (Don't ask!) I had success multibooting with grub legacy on an older computer but this computer has a tricky mb which won't let me install grub to the second drive on an IDE port. What I mean by this is that since I already had boot files to the older drive in mbr- it won't allow me to install to mbr of the other drive in IDE port even if set first in bios boot order, my old computer allowed me to do so, exept perhaps its because 2 HDD were SCSI... (I have other HDD installed in RAID 0 on the other sata ports supported by mb (fakeraid) but I will use these for video editing as scratch disks later. One other HDD used for data is on the Raid port but not in an array).

I succeeded in installing Ubuntu desktop only after realising that I had to first switch my disk order in bios- otherwise the system would just hang. U. Desktop grub had sucessfully found Win bootloader links to both XP and Vista. I then installed Win 7 and used easy BCD and grub2 boot entry to link back to my Ubuntu Desktop grub 2 menu.

The problem occured when installing Ubuntu Studio ( for which I created a separate /boot partition) and I decided to install grub2 to mbr since it had correctly detected all my OSes! But then it seems it never installed correctly to the mbr. I still had Win 7 BCD bootloader in MBR! I tried to link easy BCD boot entry to the /boot drive but that didn't work and I ended up having to reinstall Win7 because I had overrid the BCD with faulty neogrub mapping entries- which I then removed and kept the orginal neogrub that still points to Ubuntu Desktop grub menu.

I also now realise that because I installed Ubuntu Desktop before I switched the HDD boot order in bios- U. Desktop's grub.cfg sees root of Desktop grub differently than neogrub BCD does root=(hd4,7) vs multiboot kludge (hd3,6) and at first I tried to install grub in the wrong hdds and partitions- I based mapping on neogrub's to find /Boot (hd3,2) and (hd3, 1) which is wrong!

What I am attempting to do now is to chainload grub2 from my Ubuntu studio located in /Boot with what I thought was the right mapping but still no success:

menuentry 'Chainloader' {
insmod chain
set root=(hd4,2)
chainloader +1

yielded error: hd 4,2 cannot get C/H/S values press any key to continue, also when in terminal in Ubuntu Desktop in
grub> find /grub/core.img
Error 15: File not found

I will attach Boot_info_script; at this point I am too tired and afraid that I will keep on installing grub to the wrong drive!

Note: I somehow got a problem loading into XP after all these failed attempts and a system 32 file seems to have gotten lost-haven"t attempted to fix yet. Just wondering in passing what happens if I chainloaded into Windows by error- if that could have corrupted it? Right now 3 out of 5 OS are bootable. I hope I can repair it without messing up my mbr again. Another issue is that some devices are on busy IRQs and then suddenly its resolved and my onboard LAN suddenly stops working at times so I don't know if any of this could cause XP to get stuck at loading screen.

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General :: Chainloading From Grub2 To Sys On A USB Drive / Boot Error?

Mar 23, 2011

Alright, what I thought would be a simple task has me tied in knots.

I wanted to make a multiboot USB flash drive that I could easily manipulate to switch to various distros easily. My plans were:

1. Partition my 8GB drive to one large first partition (5GB) so that windows could access it. (P.S. GParted didn't partition correctly, needed to use fdisk. THIS MIGHT BE IMPORTANT IN SOLVING THE PROBLEM BECAUSE THERE MIGHT BE A BLOCK ERROR). I then made an extended partition with 5 500MB logical partitions.

2. Install Grub2 to MBR from Ubuntu

3. Expand ISO's of varios distros (Acronis Recovery, Puppy linux, etc.)
to the partitions, and create syslinux.cfg files for each (from the isolinux.cfg files that were already there)

4. Install syslinux to each partition's boot sector

#syslinux /dev/sdb5...
5. make grub.cfg on /dev/sdb1 chainload each partition.


Grub2 loads, but when selecting what I want to boot, I get the error

Boot error

which is syslinux, not grub2. So I know it's chainloading, but syslinux doesn't seem to find ldlinux.sys.

P.S. I'm not asking for other ways to make a multiboot drive, I know I can just direct boot from Grub2, but I want to be able to pass the boot to the boot loaders on the other logical partitions.

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Software :: GRUB Legacy Chainloading Grub2 (ubuntu) Not Loading, Goes Text Mode?

Jun 15, 2011

I use openSuSE and want to try Ubuntu.This is the layout of the partitions:

sda1 /boot (SuSE)


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Ubuntu :: Grub2 Not Booting Windows?

Dec 5, 2010

So to make things short, here's my situation: I was having the "no module found" problem, because dell software kept on messing with the MBR So I restored the MBR using Windows recovery and deleted the dell software Re-installed ubuntu 10.10 off the liveCD ~Then I had problems getting GRUB2 boot menu to show at boot, but i fixed that~ Now I'm having the problem where whenever I try to boot into windows 7 through GRUB2 instead of booting windows I just get:

"bootmgr is missing"

Note: I can still boot into Ubunutu 10.10 just fine.

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Ubuntu Installation :: Windows 7 Is Not Booting Through Grub2?

Apr 4, 2010

I have windows 7 in RAID 0 and installed Ubuntu 9.10 to another Sata drive. Ubuntu is working fine but if I try to boot windows in the Grub2 loader it goes do error and lets my to restart. I have finish the windows system recovery and setup repair several times and it won't find any problems. I can't get to windows loader.


Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Windows is installed in the MBR of /dev/sdb
=> Grub 2 is installed in the MBR of /dev/mapper/pdc_chfbjcefbd and looks for


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Ubuntu :: Grub2 No Longer Booting Into Windows Properly

Mar 22, 2010

so after my upgrade to 10.04 I'm experiencing a puzzling problem with Grub2. It can load everything fine except for XP. I have XP on a separate partition, it is detecting fine and the grub.cfg file is created withou a problem when I the appropriate commands to update and upgrade grub. What happens is that I select Windows XP from the list and it goes to a black screen where a cursor in the top left corner blinks 3-5 times and then immediately kicks me back to the Grub menu. I can do this forever but the grub menu just gets reloaded every time. Any ideas?

Here is the windows portion of my Grub.cfg:

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Microsoft Windows XP Professional (on /dev/sda2)" {
insmod ntfs


Here is my boot.ini on the ntfs partion I am trying to boot into

[boot loader]
default=multi(0)disk(0)rdisk(0)partition(2)WINDOW S


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Ubuntu :: Grub2 Stopped Booting Windows - Can't Get It Fixed?

May 20, 2010

I'm dual-booting Ubuntu 10.4 (grub2) and Windows 7 (x64). Something stomped on my grub install on the windows boot sector (probably windows). I was getting errors like "Cannot find disk.." I updated my grub.cfg to what I thought should work and now I'm getting errors like "cannot find C/H/S values".

I've attached the RESULTS.txt. Its really a simple install, although I do have a RAID5 array; the RAID disks are just for data and hold no OS files. Both OS's are on /dev/sdd.

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Ubuntu Installation :: Dual Booting Windows Without Having To Use GRUB2?

Jun 13, 2010

The Problem, installing ubuntu over top of windows and vice versa causes the windows boot menu to forget about ubuntu.The Solution:1. Using bcdedit from within windows to edit the boot menuClick Start -> Type Cmd.exe run it in elevated mode (as an administrator) by right clicking it and selecting "Run As Administrator" Inside the console type bcdedit, notice that the ubuntu boot entry is still there, for example i use three o/s , windows 7 professional x64, windows 7 ultimate x64 and Kubuntu and it looks like this

Windows Boot Manager
identifier {bootmgr}


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Ubuntu Installation :: Windows Not Booting From GRUB2 After Upgrade?

Jul 18, 2010

My girlfriend upgraded from Karmic 9.10 to Lucid 10.04 when the upgrade became available. She did it from Update Manager as opposed to a clean install.

I have no idea what she did, or how the process works (I installed from a Live CD on my own computer) and ever since she did it, she hasn't been able to boot into Windows XP from GRUB2.

GRUB2 loads up fine, with Ubuntu and Windows listed. It'll boot into Ubuntu with no problems. Selecting Windows will just re-load GRUB2.

I've tried re-installing GRUB2 but that hasn't worked. My lack of imagination means I have no idea what to type in to Google, or the forum search.

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Fedora :: Dual Booting - Grub2 To See F15 Or Be Installed Using Grub2?

Jul 11, 2011

I installed Fedora 15, which was my first real departure from Debian based Linux OSs. I absolutely love the new Gnome 3, and was able to configure F15 to work as I wanted it to. On rebooting I realized that there was no boot loader screen, that F15 just booted and didn't give me a choice as to which OS I wanted to use. Eventually I was able to configure grub to let me see the boot loader and added my old boot loader as a choice. This worked well, maybe not a perfect solution, but it worked. This weekend I installed LMDE (Linux Mint Debian Edition) to another HDD. LMDE uses grub2 and after the install F15 was not recognized.

Two questions: Is there a way for grub2 to see F15? or Can F15 be installed using grub2? I really don't mind re-installing from scratch.

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Ubuntu Installation :: Grub2 Can't Load Window 7 After Recovered Grub2 Using Live Cd To Boot Windows 7

Mar 7, 2010

i initilally installed ubuntu 9.10 then installed windows 7 ,then i recovered grub2 using livecd as told in the post [URL] i did "sudo update-grub" and got windows 7 menu entry but when i select that entry windows 7 does not load but the grub2 is reloaded again.
i cant boot to windows 7.

Windows 7 have 100 mb partition "System Reserved" the grub2 points to that partition but still windows 7 not loaded.

sudo fdisk -l
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x3c3a81f5


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Ubuntu Installation :: Grub2 Dosn't Save Windows As Last Selected + Boot Into Cdrom From Grub2?

May 17, 2010

I went through so many post but I haven't found the proper answer yet hope you have an Idea1. Grub2 saves only Linux OS as last selected no Windows OS2.It is possible to boot into a cdrom (drive)?

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Ubuntu :: Booting To Usb From Grub2?

May 4, 2010

Small issue with grub 2. I installed fedora on a usb drive and i'm trying to get it to boot from grub 2. I did update-grub and it found the kernel on /dev/sdd2 but for some reason it is trying to point the kernel file to /boot directory in grub but the kernel is on the usb drive and when i try to set it to look at the usb drive it says file not found.

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Ubuntu Installation :: Booting 10.04 With GRUB2?

Oct 16, 2010

I have Win 7 in my hard drive (sda) and I installed Ubuntu 10.04 in other hard disk (a usb disk), but when I try to boot my pc from the usb disk (sdb), the grub shell is displayed. No menu is displayed. When I boot Windows 7 from sda, it runs correctly. The problem it's when i wanna boot Ubuntu. I ran bootscript on the live CD and this is what I've obtained:

Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Windows is installed in the MBR of /dev/sda
=> Grub 2 is installed in the MBR of /dev/sdb and looks on the same drive in partition #1 for /boot/grub.


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Ubuntu :: Booting Into Efix Using Grub2?

Mar 19, 2011

efix is a usb bpu (booting processing unit) that can handle various OS. I'd like to have Grub2 pointing at it, list it and be able to start the booting process from there. My ubuntu 10.04 sees the device but apparently I can't configure the 40_custom file properly. I'm also using Burg as theme manager for grub2. Below you can find my system specs.

|Motherboard: ASUS P6T SE bios v:0805
|CPU: intel corei7 930 2.80 ghz|GPU: ASUS Nvidia 250 gts 1GB|
|Ram: 6GB ddr3 1333 corsair (running at 1066)


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Ubuntu :: XP Not Booting After Grub2 Upgrade

May 2, 2010

I am dual-booting XP, and all has been fine for a while....until I upgraded Grub yesterday. This was due to the boot menu not updating properly, and I realised the system was still using the old grub. The update instructions I used advised putting grub2 on all partitions if you were not sure which one to go for.....I guess this has "upset" the chainloading process, as when I select XP from the menu, I just get a black screen with flashing white cursor, which doesn't seem to respond to anything except CNTRL+ALT+DELETE!

I can still access all Windows files from Linux, and can see that system files like boot.ini are sill there. Both systems have been backed up, but would prefer not reinstalling right now if possible.

Below I'll paste grub.cfg and fdisk -l; any suggestions gratefully received!

ps the computer is a Sony Viao laptop: Core Duo 1.6 GHz - 1 GB Ram - 80 GB HDD, running XP Media Centre and Ubuntu 10.04

# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub


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Ubuntu :: Booting XP From External Drive With Grub2?

Jan 21, 2010

I was given an external USB drive which has Windows XP Pro on the first partition. I can mount and access the partition with no problem. When I run update-grub, it finds the XP partition and creates a menu entry for it. But when I select it from the Grub menu, I get an error that the device is not found.

Results of sudo fdisk -l
Disk /dev/sda: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00086c27


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Ubuntu :: Dual Booting With OpenSUSE Through Grub2?

Aug 23, 2010

Is it possible to dual boot openSUSE & Ubuntu through GRUB 2? Apparently SUSE uses standard GRUB. I installed SUSE but only have Ubuntu options displayed on boot.

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Ubuntu :: Booting Isos From Flash Drive With Grub2?

May 28, 2010

I'm trying to make a sort of "toolkit" flash drive using grub2 but I am running into some problems. For some reason, every entry below gives me the error "you must load the kernel first" when I try to boot it. I have checked in the grub command line and it appears that grub sees my flash drive as the first drive when booting. This is what my grub.cfg looks like.

#Clonezilla v1.2.5-17
menuentry "Clonezilla 32"
set isofile="/boot/isos/clonezilla32.iso"
loopback loop $isofile


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Ubuntu :: Chainload GRUB2 From NTLDR - Blinking And No Booting

Jul 2, 2010

My internal is sda windows = sda1 recovery = sda2 my external is sdb storage = sdb1 linux sdb2 GRUB is on sdb2's first sector. I tried coping it to grub.mbr on sda1 and added C:grub.mbr="ubuntu linux" all I get when selecting it is _ blinking and no booting. USB booting from BIOS works but I don't want family to have to mess with unplugging and replugging it when they want to boot to Windows. I also tried installing GRUB2 to MBR of sdb and copying same problem.

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Ubuntu :: Remove GRUB2 No Longer Dual Booting?

Aug 7, 2010

I was dual booting on my netbook with Lucid and Windows XP, so the computer starts with the GRUB2 menu. I deleted the windows partition and now I only use Lucid on the netbook. I want to know how can I get the computer to simply boot into Ubuntu like a normal computer would do if it was not set up as a dual boot system?

How can I get the computer to go directly into the ONLY operating system rather than taking a detour through the GRUB menu?

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General :: Booting FreeBSD Iso Grub2?

Jan 20, 2011

wanted to try out FreeBSD but I want to boot it from an ISO. I put my iso file on my first hd 3rd partition in /boot/iso/FreeBSD-8.1-RELEASE-amd64-dvd1.iso. But I can't seem find anything to boot freebsd this way. Is it possible and if so how. This is what I kinda got but its not working.

menuentry "FreeBSD1" {
insmod loopback


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Software :: Booting Grub2 From Grub?

Mar 30, 2011

My working OS uses grub, but I've just installed Sabayon 5.5, which uses grub2, on hda10. I want to keep using grub until I've got time to RTFM on grub2, so I installed the Sabayon bootloader on hda10. I should be able to point grub at the partition and boot indirectly, as with Windows, but after following the grub 'info' page I get an error message. Can anyone point to the error in the following grub script:

title hda10 110330 Sabayon 5.5
rootnoverify (hd0,9)
chainloader +1


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Ubuntu Installation :: GeeXboX With 9.10 - Dual Booting And Editing Grub2?

Feb 8, 2010

9.10 uses GRUB2, so the instructions below are obsolete. Is there anyone here who could provide instructions for adding Geexbox into the GRUB2 menu? If you already have a Linux OS installed on your system, you might just want to add a GeeXboX entry to your existing bootloader. This allow you to install GeeXboX very easily. From GeeXboX CD, simply copy the GEEXBOX folder into your Linux / partition (we suppose it to be /dev/sda1 here).

Modify the /boot/grub/menu.lst file to add:
title GeeXboX
root (hd0,1)
kernel /GEEXBOX/boot/vmlinuz root=/dev/ram0 rw rdinit=linuxrc boot=UUID=$my_uuid lang=en keymap=qwerty splash ...
initrd /GEEXBOX/boot/initrd.gz

Just take are about two things:
- the field root (hd0,1) is to be adapted according to the rest of your GRUB's configuration.
- the $my_uuid value is the unique ID of your partition. Check within your GRUB config file, which value is set for other OS on the same partition or use ls -l /dev/disk/by-uuid/ to see which uuid matches your partition.

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Ubuntu :: Booting Live CD ISOs From USB Flash Drive With Grub2

Jun 18, 2010

"In this tutorial you will prepare a USB flash drive to make it bootable. After you booted it it shows you a menu where you can choose which live system you want to boot. So you might be interested in this tutorial if: You want to have multiple live systems on one USB flash drive In the future you want to create a new bootable live system just by copying the ISO file onto the drive and edit the grub.cfg You don't want to or can't use Distro specific LiveUSB creator tools You prefer a cleaner solution than the most LiveUSB creator tools which create several folders and files at the device root You are feeling bored and want to see cool features of Grub2 If you have a Grub2 version with Lua support you even don't need to manually edit the grub.cfg when you add new or remove live systems." Remainder of information is found here: [URL] This was found in a closed Karmic Development forum - can this be validated and updated if needed for Lucid?

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General :: Booting Fedora 12 From Ubuntu's Grub2 - ERROR: Not An Assignment

Feb 2, 2010

I'm trying to boot my Fedora 12 partition, but am failing miserably, when I try to boot Fedora 12 I get "ERROR: NOT AN ASSIGNMENT"

my 40_custom file is as follows:


exec tail -n +3 $0
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change


Note that I tried this using the entry that is currently commented out and I had the same result. Does anyone know what is wrong? The entry that is currently uncommented came directly from the grub entry created by fedora itself (before I installed ubuntu).

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