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Overwrite hard drive with random data

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What is the basic sequence of command line steps to use a Linux Live USB drive to overwrite a built in hard drive with random data?

Please include instructions for how to figure out which is the correct device to overwrite, including how to make sense of any existing partitions on the drive.

USB random live
posted 3 months ago
3mo ago
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SystemExplorer‭
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One problem at a time (1 comment)
One problem at a time
Kamil Maciorowski‭ wrote 2 months ago
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"How to overwrite with random data" and "how to figure out which is the correct device" are orthogonal problems, so it would be better to ask two separate questions.