Mint Serena 64 bit using the Mate desktop environment. Most of the following scripts will run on this machine, although some have only been tested with the Gnome desktop. Extra software requirements can be met by the Ubuntu and safe PPA repositories. Scripts may be re-written or added to from time to time, the date serves as the version number. Syntax highlighting on these pages is provided by GVim's "Convert to HTML" option.

Zero free space

# Filename: Zero-it
# Author: robz
# Version: 150910
# Use as a right clicker for the nautilus-scripts directory.
# This will create a very large file effectively overwriting all free drive
# space with zeros or random characters, on completion this file is deleted.
# Zeros can take a while on a big drive, random a very long time.
# You will need package "apt-get install dcfldd"

C3="\033[1m\E[33m"  # yellow
C6="\033[1m\E[36m"  # cyan
C7="\033[1m\E[37m"  # white
NORMAL="NORMAL - zeros-fastish"
PARANOID="PARANOID - random-vslow"
FREE=`df | awk '/sda2/ {print $4/1024}'`
VERBAL=$C3"WORKING.........."\\n$C7"Approx space to overwrite $FREE""Mb"\\n\
$C3"Press Ctrl+C to exit"$C6

MODE=$(zenity --title "Zero-It" --width 235 --height 190 --list --text \
    "Select write mode - I am:" --radiolist --column "" --column "" \
if [ $? = 1 ]; then
exit $?

MODE=$(echo $MODE | sed "s/$NORMAL/zero/g; s/$PARANOID/urandom/g;")

gnome-terminal --geometry=42x15 --title="$TITLE" -x bash -c "\
    trap 'rm -f "$FILE" 2>/dev/null; killall dcfldd; exit' TERM INT SIGKILL;\
    echo -e '$VERBAL';\
    dcfldd if=/dev/$MODE of=$FILE statusinterval=10 bs=10M conv=notrunc;\
    echo -e 'File: \"TO_BE_DELETED\" is being deleted';\
    sync && rm -f $FILE;\
    echo 'ALL DONE.........';\
    notify-send -i $ICON '## OPERATION COMPLETE ##';\
    /usr/bin/canberra-gtk-play --volume 6 -f $SOUND"

No comments: