dm-crypt luks

  apt-get install cryptsetup-luks
  cryptsetup --verbose --verify-passphrase luksFormat /dev/xvdc1 
  cryptsetup luksOpen /dev/xvdc1 nazev_oddilu

Do /etc/fstab patri

/etc/fstab

/dev/mapper/nazev_oddilu   /home   ext4   defaults   0  2

Tak todle zvladne i cvicena opice.