Cryptsetup

Common arguments

--verify-passphrase, -y
              When interactively asking for a passphrase, ask for it twice and
              complain  if  both  inputs do not match. Advised when creating a
              regular mapping for the first time, or when running  luksFormat.
              Ignored on input from file or stdin.

--verbose, -v
              Print more information on command execution.

Create LUKS partition

cryptsetup luksFormat -y -v /path/to/device

Mount LUKS partition

First unlock the partition

cryptsetup luksOpen /path/to/device device-name

Then mount it

mount /dev/mapper/device-name /path/to/mountpoint