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  /   \	  https://johlem.net/V1/topics/cheatsheet.php
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--- CHEATSHEET ERASE / WIPE

TO WIPE DISK

sudo dd if=/dev/urandom of=/dev/sda bs=1M status=progress



TO WIPE A FILE:

sam@neutron:~/Documents/CV$ shred -uvz secretFile.txt
shred: secretFile.txt: pass 1/4 (random)...
shred: secretFile.txt: pass 2/4 (random)...
shred: secretFile.txt: pass 3/4 (random)...
shred: secretFile.txt: pass 4/4 (000000)...
shred: secretFile.txt: removing
shred: secretFile.txt: renamed to 00000000000000000000000
shred: 00000000000000000000000: renamed to 0000000000000000000000
shred: 0000000000000000000000: renamed to 000000000000000000000
shred: 000000000000000000000: renamed to 00000000000000000000
shred: 00000000000000000000: renamed to 0000000000000000000
shred: 0000000000000000000: renamed to 000000000000000000
shred: 000000000000000000: renamed to 00000000000000000
shred: 00000000000000000: renamed to 0000000000000000
shred: 0000000000000000: renamed to 000000000000000
shred: 000000000000000: renamed to 00000000000000
shred: 00000000000000: renamed to 0000000000000
shred: 0000000000000: renamed to 000000000000
shred: 000000000000: renamed to 00000000000
shred: 00000000000: renamed to 0000000000
shred: 0000000000: renamed to 000000000
shred: 000000000: renamed to 00000000
shred: 00000000: renamed to 0000000
shred: 0000000: renamed to 000000
shred: 000000: renamed to 00000
shred: 00000: renamed to 0000
shred: 0000: renamed to 000
shred: 000: renamed to 00
shred: 00: renamed to 0
shred: secretFile.txt: removed