cryptsetup luksOpen /dev/vdb2 myname
mount /dev/mapper/myname /home
cryptsetup luksClose myname
https://wiki.gentoo.org/wiki/Dm-crypt
cryptsetup luksOpen /dev/vdb2 myname
mount /dev/mapper/myname /home
cryptsetup luksClose myname
https://wiki.gentoo.org/wiki/Dm-crypt