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I'm trying to update a couple of files on a boot image that we use to run a low form of linux on some boards for testing. We basically install the image to create a bootable sdcard with this low form of linux.
Anyway I have a final.image.dd file that I usually create the sdcards from, but i need to edit the interfaces and replace a file from inside the .dd image.
Any pointers on how this could be done?
P.S. I'm using Ubuntu on the machine I'm doing all of this on.
I can mount the image on a sdcard and modify the content there, but how do i rip the card to create a new image? i have to do a lot of these cards and we have to give the image to a supplier so they can do this for us, so i need to make the image with the settings that we need.
I was talking about mounting "the image" not tranferring the image to a card and conecting that card.
If you have a whatever.img, which once was a fs in your card and you have created the image (using dd for instance) you should be able to mount your whatever.img in your /mnt directory. Any change you do there (if you mount your image with write permissions) will be kept in the image once you unmount it.