Question

3

Encrypted ZFS change rpool password

rated 0 times [ 3] [ 0] / answers: 1 / hits: 2929 / 2 Years ago, wed, august 31, 2022, 6:58:09

I have installed Ubuntu 20.10 on ZFS with encryption enabled and now I want to change the password used to boot my computer.

How do I do this?

$ zfs get keylocation,encryption,keyformat rpool

NAME   PROPERTY     VALUE                                  SOURCE

rpool  keylocation  file:///run/keystore/rpool/system.key  local

rpool  encryption   aes-256-gcm                            -

rpool  keyformat    raw                                    -

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leddre

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2 Years ago

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answered 2 Years ago piscen · Accepted Answer

as far as i can determine correct answer is

$ sudo cryptsetup luksAddKey /dev/zvol/rpool/keystore

to add new password

$ sudo cryptsetup luksRemoveKey /dev/zvol/rpool/keystore

and to remove old one