Linux Secure Delete
From Hack Sphere Labs Wiki
sudo apt-get install secure-delete
This has four tools:
srm - securely delete an existing file smem - securely delete traces of a file from ram sfill - wipe all the space marked as empty on your hard drive sswap - wipe all the data from you swap space.
Wipe Drive Erase
- dd command
dd if=/dev/zero of=/dev/sdX iflag=nocache oflag=direct bs=4096
- dd command repeat
while [ 1 ]; do dd if=/dev/zero of=/dev/sdX iflag=nocache oflag=direct bs=4096 sleep 5; done
- Progress of DD
while [ 1 ]; do kill -USR1 $(pidof dd) sleep 5; done
Notes
SCRIPTS
tail *
==> dd.drivetest <== fi echo "Reading Entire Drive" while [ 1 ]; do dd if=$1 of=/dev/zero bs=64M sleep 5; done ==> dd.erasedrive <== fi echo "Writing Entire Drive" while [ 1 ]; do dd if=/dev/zero of=$1 bs=64M sleep 5; done ==> dd.progress <== #! /bin/bash while [ 1 ]; do kill -USR1 $(pidof dd) sleep 5; done