systemd-cryptsetup

linux

Create or remove decrypted mappings of encrypted volumes. Equivalent of `cryptsetup open` and `cryptsetup close`. Arguments to this command are written exactly like a line in `/etc/crypttab`. It's used by systemd to unlock devices on boot. See also: `cryptsetup`.

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Examples (4)

Open a LUKS volume and create a decrypted mapping at `/dev/mapper/mapping_name`

systemd-cryptsetup attach mapping_name /dev/sdXY

Open a LUKS volume with additional options and create a decrypted mapping at `/dev/mapper/mapping_name`

systemd-cryptsetup attach mapping_name /dev/sdXY none crypttab_options

Open a LUKS volume with a keyfile and create a decrypted mapping at `/dev/mapper/mapping_name`

systemd-cryptsetup attach mapping_name /dev/sdXY path/to/keyfile crypttab_options

Remove an existing mapping

systemd-cryptsetup detach mapping_name

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