matrix-docker-ansible-deploy/docs/updating-users-passwords.md
Suguru Hirahara 687627ccd7
Use "alice" as placeholder username instead of "john"
"alice" is normally used in combination with "bob", though.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
2024-11-28 22:11:47 +09:00

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# Updating users passwords
## Option 1 (if you are using the integrated Postgres database):
**Notes**:
- Make sure to adjust `USERNAME_HERE` and `PASSWORD_HERE`
- For `USERNAME_HERE`, use a plain username like `alice`, not a full identifier (`@alice:example.com`)
You can reset a user's password via the Ansible playbook:
```sh
ansible-playbook -i inventory/hosts setup.yml --extra-vars='username=USERNAME_HERE password=PASSWORD_HERE' --tags=update-user-password
```
**You can then log in with that user** via Element Web that this playbook has created for you at a URL like this: `https://element.example.com/`.
## Option 2 (if you are using an external Postgres server):
You can manually generate the password hash by using the command-line after **SSH**-ing to your server (requires that [all services have been started](installing.md#finalize-the-installation):
```sh
docker exec -it matrix-synapse /usr/local/bin/hash_password -c /data/homeserver.yaml
```
and then connecting to the postgres server and executing:
```sql
UPDATE users SET password_hash = '<password-hash>' WHERE name = '@someone:example.com';
```
where `<password-hash>` is the hash returned by the docker command above.
## Option 3:
Use the Synapse User Admin API as described here: https://github.com/element-hq/synapse/blob/master/docs/admin_api/user_admin_api.rst#reset-password
This requires an [access token](obtaining-access-tokens.md) from a server admin account. *This method will also log the user out of all of their clients while the other options do not.*
If you didn't make your account a server admin when you created it, you can learn how to switch it now by reading about it in [Adding/Removing Administrator privileges to an existing user in Synapse](registering-users.md#addingremoving-administrator-privileges-to-an-existing-user-in-synapse).
### Example:
To set @user:example.com's password to `correct_horse_battery_staple` you could use this curl command:
```sh
curl -XPOST -d '{ "new_password": "correct_horse_battery_staple" }' "https://matrix.example.com/_matrix/client/r0/admin/reset_password/@user:example.com?access_token=MDA...this_is_my_access_token
```