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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | REPORTING BUGS | SEE ALSO | CRYPTSETUP |
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CRYPTSETUP-CONFIG(8) Maintenance Commands CRYPTSETUP-CONFIG(8)
cryptsetup-config - set permanent configuration options (store to
LUKS header)
cryptsetup config <options> <device>
Set permanent configuration options (store to LUKS header). The
config command is supported only for LUKS2.
The permanent options can be --priority to set priority (normal,
prefer, ignore) for keyslot (specified by --key-slot) or --label
and --subsystem.
<options> can be [--priority, --label, --subsystem, --key-slot,
--header, --disable-locks].
--key-slot, -S <0-N>
For LUKS operations that add key material, this option allows
you to specify which key slot is selected for the new key.
The maximum number of key slots depends on the LUKS version.
LUKS1 can have up to 8 key slots. LUKS2 can have up to 32 key
slots based on key slot area size and key size, but a valid
key slot ID can always be between 0 and 31 for LUKS2.
--header <device or file storing the LUKS header>
Use a detached (separated) metadata device or file where the
LUKS header is stored. This option allows one to store
ciphertext and LUKS header on different devices.
For commands that change the LUKS header (e.g. luksAddKey),
specify the device or file with the LUKS header directly as
the LUKS device.
--disable-locks
Disable lock protection for metadata on disk. This option is
valid only for LUKS2 and ignored for other formats.
WARNING: Do not use this option unless you run cryptsetup in
a restricted environment where locking is impossible to
perform (where /run directory cannot be used).
--priority <normal|prefer|ignore>
Set a priority for LUKS2 keyslot. The prefer priority marked
slots are tried before normal priority. The ignored priority
means, that slot is never used, if not explicitly requested
by --key-slot option.
--label <LABEL> --subsystem <SUBSYSTEM>
Set label and subsystem description for LUKS2 device. The
label and subsystem are optional fields and can be later used
in udev scripts for triggering user actions once the device
marked by these labels is detected.
--batch-mode, -q
Suppresses all confirmation questions. Use with care!
If the --verify-passphrase option is not specified, this
option also switches off the passphrase verification.
--debug or --debug-json
Run in debug mode with full diagnostic logs. Debug output
lines are always prefixed by #.
If --debug-json is used, additional LUKS2 JSON data
structures are printed.
--version, -V
Show the program version.
--usage
Show short option help.
--help, -?
Show help text and default parameters.
Report bugs at cryptsetup mailing list
<cryptsetup@lists.linux.dev> or in Issues project section
<https://gitlab.com/cryptsetup/cryptsetup/-/issues/new>.
Please attach output of the failed command with --debug option
added.
Cryptsetup FAQ
<https://gitlab.com/cryptsetup/cryptsetup/wikis/FrequentlyAskedQuestions>
cryptsetup(8), integritysetup(8) and veritysetup(8)
Part of cryptsetup project
<https://gitlab.com/cryptsetup/cryptsetup/>. This page is part of
the Cryptsetup ((open-source disk encryption)) project.
Information about the project can be found at
⟨https://gitlab.com/cryptsetup/cryptsetup⟩. If you have a bug
report for this manual page, send it to dm-crypt@saout.de. This
page was obtained from the project's upstream Git repository
⟨https://gitlab.com/cryptsetup/cryptsetup.git⟩ on 2022-12-17. (At
that time, the date of the most recent commit that was found in
the repository was 2022-12-14.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
cryptsetup 2.6.1-git 2022-12-14 CRYPTSETUP-CONFIG(8)
Pages that refer to this page: cryptsetup(8)
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