Вы можете использовать shred
для файлов или разделов / жестких дисков:
http://www.howtoforge.com/how-to-securely-destroy-wipe-data-on-hard-drives-with-shred
Используйте, sudo
если требуется, чтобы получить административные привилегии.
Для раздела:
shred -vfz -n 10 /dev/sdXZ
Для езды:
shred -vfz -n 10 /dev/sdX
Заметка! Замените «X» и «Z» на соответствующий номер или букву для раздела / диска
Для файла:
shred -v -u -n 2 -z moo.txt $ shred -v -u -n 2 -z moo.txt shred: moo.txt: pass 1/3 (random)... shred: moo.txt: pass 2/3 (random)... shred: moo.txt: pass 3/3 (000000)... shred: moo.txt: removing shred: moo.txt: 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: moo.txt: removed
Опции:
-f, --force change permissions to allow writing if necessary -n, --iterations=N overwrite N times instead of the default (3) --random-source=FILE get random bytes from FILE -s, --size=N shred this many bytes (suffixes like K, M, G accepted) -u, --remove truncate and remove file after overwriting -v, --verbose show progress -x, --exact do not round file sizes up to the next full block; this is the default for non-regular files -z, --zero add a final overwrite with zeros to hide shredding --help display this help and exit --version output version information and exit If FILE is -, shred standard output.