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Is there any tool to mount a .vdi file (and/or examine its partitions) in Unix/Linux?

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Not a programming question, I suggest asking on ServerFault or SuperUser –  Dan Grossman Dec 9 '10 at 1:25
    
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migration rejected from stackoverflow.com Jul 31 '13 at 4:55

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6 Answers

I have successfully used qemu-nbd (which comes with the qemu package) to access VirtualBox .vdi disks.

First you make sure that the nbd kernel module is loaded with the max_part option set to a number high enough to accommodate all the partitions in your .vdi image:

# rmmod nbd
# modprobe nbd max_part=16

Then you use qemu-nbd to attach the image:

# qemu-nbd -c /dev/nbd0 test.vdi

You will get a /dev/nbd0 block device, along with several /dev/nbd0p* partition device nodes. You use them as any other disk. Once you are done, you unmount everything, and disconnect the device:

# qemu-nbd -d /dev/nbd0
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You can try for CloneVDI tool for your .VDI files, refer to below URL for more details.

http://forums.virtualbox.org/viewtopic.php?f=6&t=22422

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it looks like vdfuse is the tool you are looking for. It is in the Ubuntu repositories. If you want to compile yourself (2010 source) you can do that too.

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Short of using another emulator, you can use a loopback device to mount it. Instructions are available via Google, although one nice one I found is here. This will allow you to mount it as a loopback device.

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Download the gparted iso image then:

sudo mkdir /mnt/cdrom
sudo mount -o loop,ro ~/Downloads/gparted-live-0.15.0-3-i486.iso /mnt/cdrom

(If cdrom is already defined use a different name like cdrom1)

Then in VirtualBox->Settings->Storage, under the IDE controller add the image, and don't forget to start select "Live CD/DVD".

Start the virtual machine, and VirtualBox will boot the gparted image, which then gives you access to the partitions in the vdi.

From there you can run fsck, mount partitions, etc.

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On Debian x64 testing I get this:

~# **apt-get install virtualbox-fuse**

Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming.

The following information may help to resolve the situation:

The following packages have unmet dependencies:
 virtualbox-fuse : Depends: virtualbox (= 4.1.18-dfsg-2+deb7u1)
E: Unable to correct problems, you have held broken packages.
~#

Status of package:

~# dpkg -s virtualbox-4.2 | grep -i status 
Status: install ok installed
~#
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Please only use the Post Answer system for submitting actual answers to the question at hand. If you have a new question then please Ask it instead. –  Scott Pack Jul 31 '13 at 4:12
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