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| https://superuser.com/questions/792427/creating-a-large-file-of-random-bytes-quickly | |
| Slight modification to watch progress | |
| dd if=<(openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt < /dev/zero) \ | |
| bs=1M count=7000 iflag=fullblock \ | |
| | pv -pterb > random-7G.txt |
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