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= cryptsetup-luksRemoveKey(8)
:doctype: manpage
:manmanual: Maintenance Commands
:mansource: cryptsetup {release-version}
:man-linkstyle: pass:[blue R < >]
:COMMON_OPTIONS:
:ACTION_LUKSREMOVEKEY:
== Name
cryptsetup-luksRemoveKey - remove the supplied passphrase from the LUKS device
== SYNOPSIS
*cryptsetup _luksRemoveKey_ [<options>] <device> [<key file with passphrase to be removed>]*
== DESCRIPTION
Removes the supplied passphrase from the LUKS device.
The passphrase to be removed can be specified interactively, as the positional argument or via --key-file.
If you read the passphrase from stdin (without further argument or with '-' as an argument to --key-file), batch-mode (-q) will be implicitly switched on and no warning will be given when you remove the last remaining passphrase from a LUKS container.
Removing the last passphrase makes the LUKS container permanently inaccessible.
This operation removes only the key in a particular keyslot; it does not wipe any encrypted data.
*<options>* can be [--key-file, --keyfile-offset, --keyfile-size, --header, --disable-locks, --type, --timeout, --verify-passphrase].
include::man/common_options.adoc[]
include::man/common_footer.adoc[]
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