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copying a disk image from SD card on Mac


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#1 egjk

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Posted 03 July 2017 - 02:37 PM

Does anyone know how I could create a copy of the image on an SD card plugged into my mac? I want to back up precisely what I was using for my raspberry pi before I use the card for a different OS..

 

I did google and I couldn't find anything super helpful but maybe I just don't know the right place to look!  :orange:

 

If there's some CLI way to do it that would also be cool..



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#2 JohnC_21

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Posted 03 July 2017 - 03:33 PM

You can use the dd command but this command is very dangerous if you do not have the correct devices in the command line. 

 

https://www.cyberciti.biz/faq/how-to-create-disk-image-on-mac-os-x-with-dd-command/



#3 egjk

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Posted 03 July 2017 - 03:41 PM

okay! thank you...

i have used dd before to copy a .iso file from my laptop to a disk... but i'm pretty sure that it won't be easy to do this backwards for a couple of reasons... i guess i'll just have to download the disk image again if i want it :(

#4 JohnC_21

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Posted 03 July 2017 - 03:45 PM

Do you have access to a Windows computer. If so then ImageUSB may be what you are looking for. You can both write to and create an image from a USB device.

 

http://www.osforensics.com/tools/write-usb-images.html



#5 egjk

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Posted 03 July 2017 - 03:50 PM

do you know if there's something like this available for linux? when i googled i saw this recommended but i don't have access to windows and i couldn't find a reputable Mac alternative

thank you though :)

#6 JohnC_21

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Posted 03 July 2017 - 03:56 PM

Sorry, I don't know of any linux tools that would do this other than the dd command. You may want to ask this question in the BC linux forum.



#7 egjk

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Posted 03 July 2017 - 03:58 PM

whoops! good point... thank you so much for your help anyway :)




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