Man page - xmount(1)

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Package:  xmount
apt-get install xmount

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• xmount(1)
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• xmount

Manual

xmount

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
BUGS
EXAMPLE

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NAME

xmount - Tool to crossmount between multiple input and output harddisk image files

SYNOPSIS

xmount [fopts] <xopts> <mntp>

DESCRIPTION

xmount allows you to convert on-the-fly between multiple input and output harddisk image formats. xmount creates a virtual file system using FUSE (Filesystem in Userspace) that contains a virtual representation of the input image.

The virtual representation can be in raw DD, Apple’s Disk Image format (DMG), VirtualBox’s virtual disk file format (VDI), Microsoft’s Virtual Hard Disk Image format (VHD) or in VmWare’s VMDK file format.

Input images can be raw DD, EWF (Expert Witness Compression Format), AFF (Advanced Forensic Format v3 & possibly v4 (check xmount --info)), VDI (VirtualBox Virtual Disk Image) or QCOW (QEMU Copy On Write) files.

It is also possible to apply morphing functions to input images. You can for example combine multiple input images into one output image, or reconstruct raids on-the-fly.

And finally, xmount also supports virtual write access to the output files that is redirected to a cache file. This makes it possible to boot acquired harddisk images using QEMU, KVM, VirtualBox, VmWare or alike.

OPTIONS

fopts: (Options specific to FUSE)
-d: Enable FUSE’s and xmount’s debug mode.
-h: Display this help message.
-s: Run single threaded.
-o no_allow_other: Disable automatic addition of FUSE’s allow_other option.
-o <fmopts> :
Specify fuse mount options. Will also disable automatic addition of FUSE’s
allow_other option!

xopts: (Options specific to xmount)
--cache <cfile> : Enable virtual write support.
<cfile> specifies the cache file to use.
--in <itype> <ifile> : Input image format and source file(s). May be specified multiple times.
For a list of supported <itype> types, run xmount --info and look under "loaded input libraries".
<ifile> specifies the source file. If your image is split into multiple files, you have to specify them all!
--inopts <iopts> : Specify input library specific options.
<iopts> specifies a comma separated list of key=value options.
--info : Print out infos about used compiler and loaded libraries.
--morph <mtype> : Morphing function to apply to input image(s). If not specified, defaults to "combine".
For a list of supported <mtype> types, run xmount --info and look under "loaded morphing libraries".
--morphopts <mopts> : Specify morphing library specific options.
<mopts> specifies a comma separated list of key=value options.
--offset <off> : Move the output image data start <off> bytes into the input image(s).
--out <otype> : Output image format. If not specified, defaults to "raw".
<otype> can be "raw", "dmg", "vdi", "vhd", "vmdk", "vmdks".
--owcache <file> : Same as --cache <file> but overwrites existing cache file.
--rocache <file> : Same as --cache <file> but does **not** allow further writes.
--sizelimit <size> : The data end of input image(s) is set to no more than <size> bytes after the data start.
--version : Same as --info.

mntp:
Mount point where virtual files should be located.

BUGS

Hopefully none. If you find any, please e-mail to <bugs@sits.lu>.

EXAMPLE

To xmount an EWF image from your acquired disk as a raw DD image under /mnt, use the following command:

xmount --in aewf ./acquired_disk.E?? /mnt

To xmount the same ewf image as vdi file, you would use a command like this:

xmount --in aewf ./acquired_disk.E?? --out vdi /mnt

And to enable virtual write support on a raw DD input image xmounted as VDI file:

xmount --in raw ./acquired_disk.dd --out vdi --cache ./disk.cache /mnt

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