On Linux with tpm2-tools installed you can run

To set the owner password (mainly for Storage) ``` tpm2_changeauth -c owner file:- ```

To set the endorsement password (e.g. to verify that the TPM is authentic): ``` tpm2_changeauth -c endorsement file:- ```

To set the lockout password (to recover the system without requiring a full reset): ``` tpm2_changeauth -c endorsement file:- ```