Difference between revisions of "Linux Secure Delete"
From Hack Sphere Labs Wiki
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=SCRIPTS= | =SCRIPTS= | ||
− | + | <pre> | |
+ | cat * | ||
+ | #! /bin/bash | ||
+ | #wtf | ||
− | + | if [ -z "$1" ] | |
− | + | then | |
+ | echo "Please specify a target:" | ||
+ | echo "/dev/sda" | ||
+ | echo "/anything/anything" | ||
+ | exit | ||
fi | fi | ||
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done | done | ||
+ | #! /bin/bash | ||
+ | #wtf | ||
− | + | if [ -z "$1" ] | |
+ | then | ||
+ | echo "Please specify a target:" | ||
+ | echo "/dev/sda" | ||
+ | echo "/anything/anything" | ||
+ | exit | ||
fi | fi | ||
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done | done | ||
− | |||
− | |||
#! /bin/bash | #! /bin/bash | ||
while [ 1 ]; | while [ 1 ]; | ||
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sleep 5; | sleep 5; | ||
done | done | ||
+ | |||
</pre> | </pre> |
Latest revision as of 04:41, 16 October 2014
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
cat * #! /bin/bash #wtf if [ -z "$1" ] then echo "Please specify a target:" echo "/dev/sda" echo "/anything/anything" exit fi echo "Reading Entire Drive" while [ 1 ]; do dd if=$1 of=/dev/zero bs=64M sleep 5; done #! /bin/bash #wtf if [ -z "$1" ] then echo "Please specify a target:" echo "/dev/sda" echo "/anything/anything" exit fi echo "Writing Entire Drive" while [ 1 ]; do dd if=/dev/zero of=$1 bs=64M sleep 5; done #! /bin/bash while [ 1 ]; do kill -USR1 $(pidof dd) sleep 5; done