Wipe your disk clean

diskThere are many security and privacy reasons you might need to do a full disk erasure to completely wipe off your data. Here are some ways to nuke all traces of your data once you have decided:

The idea is simple enough though. If you are nerd enough you can do this without any additional software installation by dd-ing out everything with random data from /dev/random or /dev/urandom on Linux. Overwriting only once is enough. Make sure you erase the MBR (first 512 bytes on disk) or GPT structures (first 1 MB on disk).

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