DBAN

Download
http://www.dban.org/download

Create DBAN USB boot pen

USB_DEVICE=/dev/sdb
 
umount ${USB_DEVICE}*
parted ${USB_DEVICE} -s mklabel msdos
parted ${USB_DEVICE} -s mkpart primary 1 100%
parted ${USB_DEVICE} -s set 1 boot on
mkfs.vfat ${USB_DEVICE}1
 
install-mbr ${USB_DEVICE}
syslinux -f ${USB_DEVICE}1
 
sudo mount dban-2.3.0_i586.iso /mnt -o loop
 
cp /mnt/dban.bzi /media/${USERNAME}/usb_boot/
cp /mnt/isolinux.cfg /media/${USERNAME}/usb_boot/syslinux.cfg