[TriLUG] Error checking for dd?

[vikram sai balaji ulaganathan via TriLUG]

Md5 sum check.

Also do you sync (command sync) after DD and before taking the SD card out.

On Dec 20, 2016 6:44 PM, "Nathan Yinger via TriLUG" <trilug at trilug.org>
wrote:

Does anyone know a good/easy way to check for errors when writing an image
to an SD card with dd? I keep having to flash RPi SD cards multiple times
before they work properly.

After writing an SD card, I tried using dd to copy it back into a file to
diff with the original, but it cloned the entire SD card, including blank
space. (The original image was 45MB, and I stopped the copy back at 100MB).

~Nathan Yinger
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