wiping disks
One of the GNU core utilities is the shred command. On both Ubuntu and RHEL/Centos it comes in the coreutils package, and even on a minimal install, I suspect you can count on it being there. # fdisk -l /dev/sda | head -1 Disk /dev/sda: 6 GiB, 6448619520 bytes, 12594960 sectors # shred –iterations=0 –zero […]