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Questions tagged [disk-image]

Questions surrounding the creation and use of disk images (created via dd, ddrescue, or other means)

265 questions
183
votes
10 answers

Mount single partition from image of entire disk (device)

I made an image of my entire disk with dd if=/dev/sda of=/media/external_media/sda.img Now the problem is I'd like to mount an ext4 filesystem that was on that disk but mount -t ext4 -o loop /media/external_media/sda.img /media/sda_image obviously…
Nicola Feltrin
  • 1,853
34
votes
5 answers

"Re-size" the .img for smaller SD-card. How to SHRINK a bootable SD card image

Context I have a 16 GB SD card with a Linux based OS for a Raspberry Pi. Most of the space is empty. I want to share the SD .img with other people but if I use the command dd if=/dev/sdXX of=/home/user123/SD.img it will create a 16 GB image. Too…
Leos313
  • 2,064
28
votes
5 answers

How do I create a bit identical image of a usb stick?

I have a usb stick which is unreadable for some reason. I want to make an image of it for storage purposes so I can try to retrieve the data from the image at a later date. How would I go about creating such a bit identical image of a usb…
oshirowanen
  • 4,047
25
votes
3 answers

Mounting Disk Image in Raw format

While trying to mount a disk image in Raw(dd) format using the following command mount nps-2010-emails.dd /media/manu/ I get the following error message mount: you must specify the filesystem type I know that using -t we can specify the file…
spaceman_spiff
  • 373
25
votes
7 answers

How do I use an .img.xz file or get an .img file from it?

I have a file with an xz extension, ubuntu-19.10-preinstalled-server-arm64+raspi3.img.xz. How do you get the .img out of it? My goal is to flash the file on an SD card. I want to use www.etcher.io I finally got it to work, but etcher will only…
BJsgoodlife
  • 1,180
22
votes
2 answers

How to mount a compressed disk image?

If I make a disk image and compress it with gzip/xz/etc is there a way to mount it directly without first uncompressing it? Say I've used sudo dd if=/dev/sdc1 | gzip -9 > image1.dd.gz how can I mount the original image, without creating an…
Xen2050
  • 8,943
20
votes
5 answers

How would I extract a .img file

I am trying to extract a .img file (hard disk image with with Chromium OS on it). I have not been able to find any way to do this other than mounting it but that is not usable because it shows up as multiple drives so I cannot repack it.
TurboWafflz
  • 321
14
votes
2 answers

Browse .img without mounting

Is there anyway to browse a .img file without mounting it? I have an .img file which I have generated from a clonezilla partition snapshot. I somehow have problems mounting the file with the command mount -o loop sda5.img /mnt/. dmesg | tail shows…
Ahatius
  • 2,137
13
votes
4 answers

What software can be used to create a restorable drive image?

Not sure what Linux software I would use for this. I'm looking for something like Acronis True Image for Windows, but for Linux. The rule is that we are keeping Windows out of the equation, I want to be able to rely solely on Ubuntu to handle the…
MetaGuru
  • 1,258
11
votes
2 answers

Create blank disk image for file storage

Similar to the way Mac OS X users can create and mount blank .dmg files, add and remove files as much as they wish, and move that image wherever they want... as if it were a virtual USB drive. Is there an equivalent for Ubuntu? I know that the "Disk…
Ulincsys
  • 786
11
votes
3 answers

How to create an .img file from .iso on Ubuntu?

I would like to create an .img file containing Ubuntu 13.10. I know how to get the .iso, but instructions for how to 'convert' it to .img I only found under Mac (see, for example, here) -- however, I work on Ubuntu 13.10. Which are the steps…
mathlete
  • 1,709
11
votes
3 answers

How can I make an Ubuntu recovery image on external media?

I am about to expand my Ubuntu partition, so I think I should make a backup of the current one in case something goes wrong. Is there some software to make a bootable USB and recovery image?
eksponente
  • 155
9
votes
3 answers

Create RAID array of image files

OK, so I've got three image files in /home/, and they each reside on different physical drives: image1.img image2.img image3.img Each image is the same size, and I want to put the images themselves into RAID0. How should I go about RAIDing…
Daniel
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  • 46
9
votes
2 answers

Is there a way to edit a UDF disk image file/ISO image?

I have an ISO image with a UDF filesystem and a boot sector and I need to add a file to it. When I do sudo mount -o loop,rw /tmp/file.iso /tmp/dir I get mount: block device /tmp/file.iso is write-protected, mounting read-only This happens even if…
andlabs
  • 503
9
votes
3 answers

How to extract initrd from ubuntu-20.04-live-server-amd64.iso

I am trying to update a process used to remaster the Ubuntu 18.04 install image for 20.04 and running into a problem with extracting the initrd archive. The command used is cpio -id --no-absolute-filenames. When I use this same command to extract…
virullius
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