tldr/pages/linux/cryptsetup.md

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# cryptsetup
> Manage plain dm-crypt and LUKS (Linux Unified Key Setup) encrypted volumes.
> More information: <https://gitlab.com/cryptsetup/cryptsetup/>.
- Initialize a LUKS volume (overwrites all data on the partition):
`cryptsetup luksFormat {{/dev/sda1}}`
- Open a LUKS volume and create a decrypted mapping at `/dev/mapper/target`:
`cryptsetup luksOpen {{/dev/sda1}} {{target}}`
- Remove an existing mapping:
`cryptsetup luksClose {{target}}`
- Change the LUKS volume's passphrase:
`cryptsetup luksChangeKey {{/dev/sda1}}`