Shred (Hetzner Server)
https://blog.joergboesche.de/linux-root-dedicated-server-festplatte-mit-shred-sicher-loeschen
Hetzner Robot: Boot into Rescue
- fdisk -l
- blkid
- foreach /dev/mdX device
- mdadm --stop /dev/md0
- If you cannot remove a mdX device:
- ls -ls /dev/mapper
- foreach entry
- dmsetup remove /dev/mapper/vg0-xxx
- mdadm --stop /dev/md3
- ls -ls /dev/mapper
- foreach hd
- new ssh login
- screen -S shred-a
- shred /dev/sda --force --verbose --zero --iterations=1