tldr/pages/linux/cryptsetup-luksformat.md

cryptsetup luksFormat

Initialize a LUKS partition and the initial key slot (0) with a passphrase or keyfile. Note: This operation overwrites all data on the partition. More information: https://manned.org/cryptsetup-luksFormat.

• Initialize a LUKS volume with a passphrase:

cryptsetup luksFormat {{/dev/sdXY}}

• Initialize a LUKS volume with a keyfile:

cryptsetup luksFormat {{/dev/sdXY}} {{path/to/keyfile}}

• Initialize a LUKS volume with a passphrase and set its label:

cryptsetup luksFormat --label {{label}} {{/dev/sdXY}}