Tidy up docs/configuring-playbook-jitsi.md and another related file (#3934)

* Update docs/configuring-playbook-jitsi.md: tidy up the introduction Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: minor changes Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: remove the obsolete notice about Element mobile apps not supporting self-hosted Jitsi server The notice has been obsolete since 993fd04353 (for Android) and 0142bb04e4 (for iOS) Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: create a list for descriptions about each tweak for tuning Jitsi Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: tidy up the section for setting up additional JVBs Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: move down the section for tuning Jitsi Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: include sections to "Adjusting the playbook configuration" Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: move the section for confugiring additional JVBs into the 'Usage' section Since the additional JVBs are supposed to be configured after installing Jitsi with a JVB and it is confusing to place the instruction for configuring them (ansible-playbook -i inventory/hosts --limit jitsi_jvb_servers jitsi_jvb.yml --tags=common,setup-additional-jitsi-jvb,start) above the command for installation (ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start), this commit moves the section for configuring the additional JVBs into the "Usage" section. Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: tidy up the section for authentication Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: move the note to the section "Troubleshooting" Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: tidy up the section for setting up a Gravatar service Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: replace the description about running behind NAT or on a LAN environment with the official one Our original description was unorganized and difficult to understand, so this commit simply replaces it with the official documentation provided by Jitsi, which is clear and straightforward. See: 630a6817c2/docs/devops-guide/docker.md Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: tidy up the section for rebuilding the Jitsi installation It feels like the section is no longer relevant pretty much, as one of the main reasons why rebuilding the installation has seemed to be a difficult but reasonable option would be the quality of our documentation; it has been unorganized and it has been difficult to see what needs to be done in which order. Now that the issue was mostly addressed, perhaps it might make sense to remove the section altogether or move it to FAQ.md and rewrite it for components which are as complex as Jitsi. Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: switch the order of instructions about adjusting DNS records and adjusting the URL Since adjusting DNS records does not belong to adjusting the playbook configuration, the section was moved out of it. This is a first trial of placing the instruction about adjusting DNS records above the section for adjusting the URL. Once it is confirmed that this change makes sense, the other instances will be addressed with another commit. Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: switch lines for fine tuning Jitsi to remove a blank line Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: add a practical example of configurations Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: remove a duplicated comment inside jitsi_web_custom_config_extension Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: edit the introduction Based on docs/configuring-playbook-etherpad.md Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: remove a mention about the unmaintained Dimension integration manager As Dimension has been officially declared to be unmaintained and we have stopped recommending to install it since 4574ebbd31888c26dc72a9449e8b6c7427e8bc3f, it is a reasonable choice to remove the explanation which suggests to add a Jitsi widget with the component. Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: replace the obsolete details about LastN The document has been removed with 9a955ef1b4. Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: minor changes Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: move the description about meetings with authentication enabled out of the section for the default authentication method Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-jitsi.md: edit descriptions about authentication methods Based on f6fdb30997/defaults/main.yml Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> * Update docs/configuring-playbook-user-verification-service.md: add an anchor link to the Jitsi docs on `matrix` authentication Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> --------- Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org> Co-authored-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
1 год назад · 37ef7959a9
--- a/docs/configuring-playbook-jitsi.md
+++ b/docs/configuring-playbook-jitsi.md
@@ -1,17 +1,23 @@
 # Setting up the Jitsi video-conferencing platform (optional)

 The playbook can install the [Jitsi](https://jitsi.org/) video-conferencing platform and integrate it with Element clients ([Element Web](configuring-playbook-client-element-web.md)/Desktop, Android and iOS).
 The playbook can install and configure the [Jitsi](https://jitsi.org/) video-conferencing platform for you.

 Jitsi installation is **not enabled by default**, because it's not a core component of Matrix services.
 Jitsi can not only be integrated with Element clients ([Element Web](configuring-playbook-client-element-web.md)/Desktop, Android and iOS) as a widget, but also be used as standalone web app.

 The setup done by the playbook is very similar to [docker-jitsi-meet](https://github.com/jitsi/docker-jitsi-meet). You can refer to the documentation there for many of the options here.
 See the project's [documentation](https://jitsi.github.io/handbook/) to learn what it does and why it might be useful to you.

 **Note**: the configuration by the playbook is similar to the one by [docker-jitsi-meet](https://github.com/jitsi/docker-jitsi-meet). You can refer to the official documentation for Docker deployment [here](https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-docker/).

 ## Prerequisites

 You may need to open the following ports to your server:

 - `4443/tcp` - RTP media fallback over TCP
 - `10000/udp` - RTP media over UDP. Depending on your firewall/NAT setup, incoming RTP packets on port `10000` may have the external IP of your firewall as destination address, due to the usage of STUN in JVB (see [`jitsi_jvb_stun_servers`](https://github.com/mother-of-all-self-hosting/ansible-role-jitsi/blob/main/defaults/main.yml)).
 - `10000/udp` - RTP media over UDP. Depending on your firewall/NAT configuration, incoming RTP packets on port `10000` may have the external IP of your firewall as destination address, due to the usage of STUN in JVB (see [`jitsi_jvb_stun_servers`](https://github.com/mother-of-all-self-hosting/ansible-role-jitsi/blob/main/defaults/main.yml)).

 ## Adjusting DNS records

 By default, this playbook installs Jitsi on the `jitsi.` subdomain (`jitsi.example.com`) and requires you to create a CNAME record for `jitsi`. See [Configuring DNS](configuring-dns.md) for details about DNS changes.

 ## Adjusting the playbook configuration

@@ -23,8 +29,6 @@ jitsi_enabled: true

 ### Adjusting the Jitsi URL

 By default, this playbook installs Jitsi on the `jitsi.` subdomain (`jitsi.example.com`) and requires you to [adjust your DNS records](#adjusting-dns-records).

 By tweaking the `jitsi_hostname` variable, you can easily make the service available at a **different hostname** than the default one.

 Example additional configuration for your `vars.yml` file:
@@ -34,51 +38,43 @@ Example additional configuration for your `vars.yml` file:
 jitsi_hostname: call.example.com
 ```

 ## Adjusting DNS records

 Once you've decided on the domain and path, **you may need to adjust your DNS** records to point the Jitsi domain to the Matrix server.
 After changing the domain, **you may need to adjust your DNS** records to point the Jitsi domain to the Matrix server.

 By default, you will need to create a CNAME record for `jitsi`. See [Configuring DNS](configuring-dns.md) for details about DNS changes.
 ### Configure Jitsi authentication and guests mode (optional)

 ## Configure Jitsi authentication and guests mode (optional)
 By default the Jitsi instance does not require for anyone to log in, and is open to use without an account. To control who is allowed to start meetings on your Jitsi instance, you'd need to enable Jitsi's authentication and optionally guests mode.

 By default the Jitsi Meet instance does not require any kind of login and is open to use for anyone without registration.
 Authentication type must be one of them: `internal` (default), `jwt`, `matrix` or `ldap`. Currently, only `internal`, `matrix` and `ldap` mechanisms are supported by the [Jitsi role](https://github.com/mother-of-all-self-hosting/ansible-role-jitsi).

 If you're fine with such an open Jitsi instance, please skip to [Installing](#installing).
 With authentication enabled, all meetings have to be started by a registered user. After the meeting is started by that user, then guests are free to join. If the registered user is not yet present, the guests are put on hold in individual waiting rooms.

 If you would like to control who is allowed to open meetings on your new Jitsi instance, then please follow the following steps to enable Jitsi's authentication and optionally guests mode.
 **Note**: authentication is not tested by the playbook's self-checks. We therefore recommend that you would make sure by yourself that authentication is configured properly. To test it, start a meeting at `jitsi.example.com` on your browser.

 Currently, there are three supported authentication modes: 'internal' (default), 'matrix' and 'ldap'.
 #### Authenticate using Jitsi accounts: Auth-Type `internal` (recommended)

 **Note**: Authentication is not tested via the playbook's self-checks. We therefore recommend that you manually verify if authentication is required by jitsi. For this, try to manually create a conference on jitsi.example.com in your browser.
 The default authentication mechanism is `internal` auth, which requires a Jitsi account to have been configured. This is a recommended method, as it also works in federated rooms.

 ### Authenticate using Jitsi accounts (Auth-Type 'internal')

 The default authentication mechanism is 'internal' auth, which requires jitsi-accounts to be setup and is the recommended setup, as it also works in federated rooms. With authentication enabled, all meeting rooms have to be opened by a registered user, after which guests are free to join. If a registered host is not yet present, guests are put on hold in individual waiting rooms.

 Add the following configuration to your `vars.yml` file:
 To enable authentication with a Jitsi account, add the following configuration to your `vars.yml` file. Make sure to replace `USERNAME_…` and `PASSWORD_…` with your own values.

 ```yaml
 jitsi_enable_auth: true
 jitsi_enable_guests: true
 jitsi_prosody_auth_internal_accounts:
  - username: "jitsi-moderator"
    password: "secret-password"
  - username: "another-user"
    password: "another-password"
  - username: "USERNAME_FOR_THE_FIRST_USER_HERE"
    password: "PASSWORD_FOR_THE_FIRST_USER_HERE"
  - username: "USERNAME_FOR_THE_SECOND_USER_HERE"
    password: "PASSWORD_FOR_THE_SECOND_USER_HERE"
 ```

 ⚠️ **Warning**: Accounts added here and subsequently removed will not be automatically removed from the Prosody server until user account cleaning is integrated into the playbook.
 **Note**: as Jitsi account removal function is not integrated into the playbook, these accounts will not be able to be removed from the Prosody server automatically, even if they are removed from your `vars.yml` file subsequently.

 **If you get an error** like this: "Error: Account creation/modification not supported.", it's likely that you had previously installed Jitsi without auth/guest support. In such a case, you should look into [Rebuilding your Jitsi installation](#rebuilding-your-jitsi-installation).
 #### Authenticate using Matrix OpenID: Auth-Type `matrix`

 ### Authenticate using Matrix OpenID (Auth-Type 'matrix')
 ⚠️ **Warning**: this breaks the Jitsi instance on federated rooms probably and does not allow sharing conference links with guests.

 **Attention: Probably breaks Jitsi in federated rooms and does not allow sharing conference links with guests.**
 This authentication method requires [Matrix User Verification Service](https://github.com/matrix-org/matrix-user-verification-service), which can be installed using this [playbook](configuring-playbook-user-verification-service.md). It verifies against Matrix openID, and requires a user-verification-service to run.

 Using this authentication type require a [Matrix User Verification Service](https://github.com/matrix-org/matrix-user-verification-service). By default, this playbook creates and configures a user-verification-service to run locally, see [configuring-user-verification-service](configuring-playbook-user-verification-service.md).

 To enable set this configuration at host level:
 To enable authentication with Matrix OpenID, add the following configuration to your `vars.yml` file:

 ```yaml
 jitsi_enable_auth: true
@@ -88,9 +84,9 @@ matrix_user_verification_service_enabled: true

 For more information see also [https://github.com/matrix-org/prosody-mod-auth-matrix-user-verification](https://github.com/matrix-org/prosody-mod-auth-matrix-user-verification).

 ### Authenticate using LDAP (Auth-Type 'ldap')
 #### Authenticate using LDAP: Auth-Type `ldap`

 An example LDAP configuration could be:
 To enable authentication with LDAP, add the following configuration to your `vars.yml` file (adapt to your needs):

 ```yaml
 jitsi_enable_auth: true
@@ -112,110 +108,210 @@ jitsi_ldap_start_tls: false

 For more information refer to the [docker-jitsi-meet](https://github.com/jitsi/docker-jitsi-meet#authentication-using-ldap) and the [saslauthd `LDAP_SASLAUTHD`](https://github.com/winlibs/cyrus-sasl/blob/master/saslauthd/LDAP_SASLAUTHD) documentation.

 ## Making your Jitsi server work on a LAN (optional)
 ### Configure `JVB_ADVERTISE_IPS` for running behind NAT or on a LAN environment (optional)

 When running Jitsi in a LAN environment, or on the public Internet via NAT, the `JVB_ADVERTISE_IPS` enviornment variable should be set.

 By default the Jitsi Meet instance does not work with a client in LAN (Local Area Network), even if others are connected from WAN. There are no video and audio. In the case of WAN to WAN everything is ok.
 This variable allows to control which IP addresses the JVB will advertise for WebRTC media traffic. It is necessary to set it regardless of the use of a reverse proxy, since it's the IP address that will receive the media (audio / video) and not HTTP traffic, hence it's oblivious to the reverse proxy.

 The reason is the Jitsi VideoBridge git to LAN client the IP address of the docker image instead of the host. The [documentation](https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-docker/#running-behind-nat-or-on-a-lan-environment) of Jitsi in docker suggest to add `JVB_ADVERTISE_IPS` in enviornment variable to make it work.
 If your users are coming in over the Internet (and not over LAN), this will likely be your public IP address. If this is not set up correctly, calls will crash when more than two users join a meeting.

 To enable it, add the following configuration to your `vars.yml` file:
 To set the variable, add the following configuration to your `vars.yml` file. Make sure to replace `LOCAL_IP_ADDRESS_OF_THE_HOST_HERE` with a proper value.

 ```yaml
 jitsi_jvb_container_extra_arguments:
  - '--env "JVB_ADVERTISE_IPS=<Local IP address of the host>"'
  - '--env "JVB_ADVERTISE_IPS=LOCAL_IP_ADDRESS_OF_THE_HOST_HERE"'
 ```

 Check [the official documentation](https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-docker/#running-behind-nat-or-on-a-lan-environment) for more details about it.

 ### Set a maximum number of participants on a Jitsi conference (optional)

 You can set a maximum number of participants allowed to join a Jitsi conference. By default the number is not specified.

 To set it, add the following configuration to your `vars.yml` file (adapt to your needs):

 ```yaml
 jitsi_prosody_max_participants: 4 # example value
 ```

 ### Enable Gravatar (optional)

 In the default Jisti Meet configuration, `gravatar.com` is enabled as an avatar service.

 Since the Element clients send the URL of configured Matrix avatars to the Jitsi instance, our default configuration has disabled the Gravatar service.

 To enable the Gravatar service, add the following configuration to your `vars.yml` file:

 ```yaml
 jitsi_disable_gravatar: false
 ```

 ## Fine tune Jitsi (optional)
 ⚠️ **Warning**: this will result in third party request leaking data to the Gravatar Service (`gravatar.com`, unless configured otherwise). Besides metadata, the Matrix user_id and possibly the room ID (via `referrer` header) will be also sent to the third party.

 ### Fine tune Jitsi (optional)

 If you'd like to have Jitsi save up resources, add the following configuration to your `vars.yml` file (adapt to your needs):

 ```yaml
 jitsi_web_config_resolution_width_ideal_and_max: 480
 jitsi_web_config_resolution_height_ideal_and_max: 240
 jitsi_web_custom_config_extension: |
  config.enableLayerSuspension = true;

  config.disableAudioLevels = true;

  // Limit the number of video feeds forwarded to each client
  config.channelLastN = 4;
 ```

 These configurations:

 - **limit the maximum video resolution**, to save up resources on both server and clients
 - **suspend unused video layers** until they are requested again, to save up resources on both server and clients. Read more on this feature [here](https://jitsi.org/blog/new-off-stage-layer-suppression-feature/).
 - **disable audio levels** to avoid excessive refresh of the client-side page and decrease the CPU consumption involved
 - **limit the number of video feeds forwarded to each client**, to save up resources on both server and clients. As clients’ bandwidth and CPU may not bear the load, use this setting to avoid lag and crashes. This feature is available by default on other webconference applications such as Office 365 Teams (the number is limited to 4). Read how it works [here](https://github.com/jitsi/jitsi-videobridge/blob/5ff195985edf46c9399dcf263cb07167f0a2c724/doc/allocation.md).

 ### Example configurations

 Here is an example set of configurations for running a Jitsi instance with:

 - authentication using a Jitsi account (username: `US3RNAME`, password: `passw0rd`)
 - guests: allowed
 - maximum participants: 6 people
 - fine tuning with the configurations presented above
 - other miscellaneous options (see the official Jitsi documentation [here](https://jitsi.github.io/handbook/docs/dev-guide/dev-guide-configuration) and [here](https://jitsi.github.io/handbook/docs/user-guide/user-guide-advanced))

 ```yaml
 jitsi_enabled: true
 jitsi_enable_auth: true
 jitsi_enable_guests: true
 jitsi_prosody_auth_internal_accounts:
  - username: "US3RNAME"
    password: "passw0rd"
 jitsi_prosody_max_participants: 6
 jitsi_web_config_resolution_width_ideal_and_max: 480
 jitsi_web_config_resolution_height_ideal_and_max: 240
 jitsi_web_custom_config_extension: |
  config.enableLayerSuspension = true;
  config.disableAudioLevels = true;
  config.channelLastN = 4;
  config.requireDisplayName = true; // force users to set a display name
  config.startAudioOnly = true; // start the conference in audio only mode (no video is being received nor sent)
 ```

 You may want to **suspend unused video layers** until they are requested again, to save up resources on both server and clients. Read more on this feature [here](https://jitsi.org/blog/new-off-stage-layer-suppression-feature/)
 ## Installing

 You may wish to **disable audio levels** to avoid excessive refresh of the client-side page and decrease the CPU consumption involved.
 After configuring the playbook and potentially [adjusting your DNS records](#adjusting-dns-records), run the playbook with [playbook tags](playbook-tags.md) as below:

 You may want to **limit the number of video feeds forwarded to each client**, to save up resources on both server and clients. As clients’ bandwidth and CPU may not bear the load, use this setting to avoid lag and crashes. This feature is found by default in other webconference applications such as Office 365 Teams (limit is set to 4). Read how it works [here](https://github.com/jitsi/jitsi-videobridge/blob/master/doc/last-n.md) and performance evaluation on this [study](https://jitsi.org/wp-content/uploads/2016/12/nossdav2015lastn.pdf).
 <!-- NOTE: let this conservative command run (instead of install-all) to make it clear that failure of the command means something is clearly broken. -->
 ```sh
 ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start
 ```

 You may want to **limit the maximum video resolution**, to save up resources on both server and clients.
 The shortcut commands with the [`just` program](just.md) are also available: `just install-all` or `just setup-all`

 ## Specify a Max number of participants on a Jitsi conference (optional)
 `just install-all` is useful for maintaining your setup quickly ([2x-5x faster](../CHANGELOG.md#2x-5x-performance-improvements-in-playbook-runtime) than `just setup-all`) when its components remain unchanged. If you adjust your `vars.yml` to remove other components, you'd need to run `just setup-all`, or these components will still remain installed. Note these shortcuts run the `ensure-matrix-users-created` tag too.

 The playbook allows a user to set a max number of participants allowed to join a Jitsi conference. By default there is no limit.
 ## Usage

 In order to set the max number of participants use the following **additional** configuration:
 You can use the self-hosted Jitsi server in multiple ways:

 ```yaml
 jitsi_prosody_max_participants: 4 # example value
 ```
 - **by adding a widget to a room via Element Web** (the one configured by the playbook at `https://element.example.com`). Just start a voice or a video call in a room containing more than 2 members and that would create a Jitsi widget which utilizes your self-hosted Jitsi server.

 ## Additional JVBs (optional)
 - **directly (without any Matrix integration)**. Just go to `https://jitsi.example.com`

 By default, a single JVB ([Jitsi VideoBridge](https://github.com/jitsi/jitsi-videobridge)) is deployed on the same host as the Matrix server. To allow more video-conferences to happen at the same time, you may need to provision additional JVB services on other hosts.
 ### Set up additional JVBs for more video-conferences (optional)

 There is an ansible playbook that can be run with the following tag: `ansible-playbook -i inventory/hosts --limit jitsi_jvb_servers jitsi_jvb.yml --tags=common,setup-additional-jitsi-jvb,start`
 By default, a single JVB ([Jitsi VideoBridge](https://github.com/jitsi/jitsi-videobridge)) is deployed on the same host as the Matrix server. To allow more video-conferences to happen at the same time, you'd need to provision additional JVB services on other hosts.

 For this role to work you will need an additional section in the ansible hosts file with the details of the JVB hosts, for example:
 These settings below will allow you to provision those extra JVB instances. The instances will register themselves with the Prosody service, and be available for Jicofo to route conferences too.

 #### Add the `jitsi_jvb_servers` section on `hosts` file

 For additional JVBs, you'd need to add the section titled `jitsi_jvb_servers` on the ansible `hosts` file with the details of the JVB hosts as below:

 ```INI
 [jitsi_jvb_servers]
 <your jvb hosts> ansible_host=<ip address of the jvb host>
 jvb-2.example.com ansible_host=192.168.0.2
 ```

 Each JVB will require a server ID to be set so that it can be uniquely identified and this allows Jitsi to keep track of which conferences are on which JVB. The server ID is set with the variable `jitsi_jvb_server_id` which ends up as the JVB_WS_SERVER_ID environment variables in the JVB docker container. This variable can be set via the host file, a parameter to the ansible command or in the `vars.yml` for the host which will have the additional JVB. For example:
 Make sure to replace `jvb-2.example.com` with your hostname for the JVB and `192.168.0.2` with your JVB's external IP address, respectively.

 ```yaml
 jitsi_jvb_server_id: 'jvb-2'
 ```
 You could add JVB hosts as many as you would like. When doing so, add lines with the details of them.

 ```INI
 [jitsi_jvb_servers]
 jvb-2.example.com ansible_host=192.168.0.2 jitsi_jvb_server_id=jvb-2
 jvb-3.example.com ansible_host=192.168.0.3 jitsi_jvb_server_id=jvb-2
 ```
 #### Set the server ID to each JVB

 Each JVB requires a server ID to be set, so that it will be uniquely identified. The server ID allows Jitsi to keep track of which conferences are on which JVB.

 The server ID can be set with the variable `jitsi_jvb_server_id`. It will end up as the `JVB_WS_SERVER_ID` environment variables in the JVB docker container.

 To set the server ID to `jvb-2`, add the following configuration to either `vars.yml` or `hosts` file (adapt to your needs). If you'd specify the server ID on the `hosts` file, add `jitsi_jvb_server_id=jvb-2` after your JVB's external IP addresses as below.

 Note that the server ID `jvb-1` is reserved for the JVB instance running on the Matrix host and therefore should not be used as the ID of an additional jvb host.
 - On `vars.yml`:

 The additional JVB will also need to expose the colibri web socket port and this can be done with the following variable:
  ```yaml
  jitsi_jvb_server_id: 'jvb-2'
  ```

 - On `hosts`:

  ```INI
  [jitsi_jvb_servers]
  jvb-2.example.com ansible_host=192.168.0.2 jitsi_jvb_server_id=jvb-2
  jvb-3.example.com ansible_host=192.168.0.3 jitsi_jvb_server_id=jvb-2
  ```

 Alternatively, you can specify the variable as a parameter to [the ansible command](#run-the-playbook).

 **Note**: the server ID `jvb-1` is reserved for the JVB instance running on the Matrix host, therefore should not be used as the ID of an additional JVB host.

 #### Set colibri WebSocket port

 The additional JVBs will need to expose the colibri WebSocket port.

 To expose the port, add the following configuration to your `vars.yml` file:

 ```yaml
 jitsi_jvb_container_colibri_ws_host_bind_port: 9090
 ```

 The JVB will also need to know where the prosody xmpp server is located, similar to the server ID this can be set in the vars for the JVB by using the variable `jitsi_xmpp_server`. The Jitsi prosody container is deployed on the Matrix server by default so the value can be set to the Matrix domain. For example:
 #### Set Prosody XMPP server

 The JVB will also need to know the location of the Prosody XMPP server.

 Similar to the server ID (`jitsi_jvb_server_id`), this can be set with the variable for the JVB by using the variable `jitsi_xmpp_server`.

 ##### Set the Matrix domain

 The Jitsi Prosody container is deployed on the Matrix server by default, so the value can be set to the Matrix domain. To set the value, add the following configuration to your `vars.yml` file:

 ```yaml
 jitsi_xmpp_server: "{{ matrix_domain }}"
 ```

 However, it can also be set the ip address of the Matrix server. This can be useful if you wish to use a private ip. For example:
 ##### Set an IP address of the Matrix server

 Alternatively, the IP address of the Matrix server can be set. This can be useful if you would like to use a private IP address.

 To set the IP address of the Matrix server, add the following configuration to your `vars.yml` file:

 ```yaml
 jitsi_xmpp_server: "192.168.0.1"
 ```

 For the JVB to be able to contact the XMPP server, the latter must expose the XMPP port (5222). By default, the Matrix server does not expose the port; only the XMPP container exposes it internally inside the host, which means that the first JVB (which runs on the Matrix server) can reach it but the additional JVB cannot. The port is exposed by setting `jitsi_prosody_container_jvb_host_bind_port` like this:
 ##### Expose XMPP port

 By default, the Matrix server does not expose the XMPP port (`5222`); only the XMPP container exposes it internally inside the host. This means that the first JVB (which runs on the Matrix server) can reach it but the additional JVBs cannot. Therefore, the XMPP server needs to expose the port, so that the additional JVBs can connect to it.

 To expose the port and have Docker forward the port, add the following configuration to your `vars.yml` file:

 ```yaml
 jitsi_prosody_container_jvb_host_bind_port: 5222
 ```

 (The default is empty; if it's set then docker forwards the port.)

 Applied together this will allow you to provision extra JVB instances which will register themselves with the prosody service and be available for jicofo to route conferences too.
 #### Reverse-proxy with Traefik

 To make Traefik reverse-proxy to these additional JVBs (living on other hosts), **you would need to add the following Traefik configuration extension**:
 To make Traefik reverse-proxy to these additional JVBs (living on other hosts), add the following configuration to your `vars.yml` file:

 ```yaml
 # Traefik proxying for additional JVBs. These can't be configured using Docker
@@ -251,55 +347,31 @@ traefik_provider_configuration_extension_yaml: |
     {% endfor %}
 ```

 ## Enable Gravatar (optional)

 In the default Jisti Meet configuration, gravatar.com is enabled as an avatar service. This results in third party request leaking data to gravatar. Since Element clients already send the url of configured Matrix avatars to Jitsi, we disabled gravatar.

 To enable Gravatar set:

 ```yaml
 jitsi_disable_gravatar: false
 ```

 ⚠️ **Warning**: This leaks information to a third party, namely the Gravatar-Service (unless configured otherwise: gravatar.com). Besides metadata, this includes the Matrix user_id and possibly the room identifier (via `referrer` header).
 #### Run the playbook

 ## Installing
 After configuring `hosts` and `vars.yml` files, run the playbook with [playbook tags](playbook-tags.md) as below:

 After configuring the playbook and potentially [adjusting your DNS records](#adjusting-dns-records), run the playbook with [playbook tags](playbook-tags.md) as below:

 <!-- NOTE: let this conservative command run (instead of install-all) to make it clear that failure of the command means something is clearly broken. -->
 ```sh
 ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start
 ansible-playbook -i inventory/hosts --limit jitsi_jvb_servers jitsi_jvb.yml --tags=common,setup-additional-jitsi-jvb,start
 ```

 The shortcut commands with the [`just` program](just.md) are also available: `just install-all` or `just setup-all`

 `just install-all` is useful for maintaining your setup quickly ([2x-5x faster](../CHANGELOG.md#2x-5x-performance-improvements-in-playbook-runtime) than `just setup-all`) when its components remain unchanged. If you adjust your `vars.yml` to remove other components, you'd need to run `just setup-all`, or these components will still remain installed. Note these shortcuts run the `ensure-matrix-users-created` tag too.

 ## Usage

 You can use the self-hosted Jitsi server in multiple ways:

 - **by adding a widget to a room via Element Web** (the one configured by the playbook at `https://element.example.com`). Just start a voice or a video call in a room containing more than 2 members and that would create a Jitsi widget which utilizes your self-hosted Jitsi server.
 ## Troubleshooting

 - **by adding a widget to a room via the Dimension integration manager**. You'll have to point the widget to your own Jitsi server manually. See our [Dimension integration manager](./configuring-playbook-dimension.md) documentation page for more details. Naturally, Dimension would need to be installed first (the playbook doesn't install it by default).
 ### `Error: Account creation/modification not supported`

 - **directly (without any Matrix integration)**. Just go to `https://jitsi.example.com`
 If you get an error like `Error: Account creation/modification not supported` with authentication enabled, it's likely that you had previously installed Jitsi without auth/guest support.

 **Note**: Element apps on mobile devices currently [don't support joining meetings on a self-hosted Jitsi server](https://github.com/element-hq/riot-web/blob/601816862f7d84ac47547891bd53effa73d32957/docs/jitsi.md#mobile-app-support).

 ## Troubleshooting
 In this case, you should consider to rebuild your Jitsi installation.

 ### Rebuilding your Jitsi installation

 **If you ever run into any trouble** or **if you change configuration (`jitsi_*` variables) too much**, we urge you to rebuild your Jitsi setup.

 We normally don't require such manual intervention for other services, but Jitsi services generate a lot of configuration files on their own.
 If you ever run into any trouble or if you have changed configuration (`jitsi_*` variables) too much, you can rebuild your Jitsi installation.

 These files are not all managed by Ansible (at least not yet), so you may sometimes need to delete them all and start fresh.
 We normally don't recommend manual intervention, but Jitsi services tend to generate a lot of configuration files, and it is often wise to start afresh setting the services up, rather than messing with the existing configuration files. Since not all of those files are managed by Ansible (at least not yet), you may sometimes need to delete them by yourself manually.

 To rebuild your Jitsi configuration:
 To rebuild your Jitsi configuration, follow the procedure below:

 - ask Ansible to stop all Jitsi services: `just run-tags stop-group --extra-vars=group=jitsi`
 - SSH into the server and do this and remove all Jitsi configuration & data (`rm -rf /matrix/jitsi`)
 - ask Ansible to set up Jitsi anew and restart services (`just install-service jitsi`)
 - run this command locally to stop all Jitsi services: `just run-tags stop-group --extra-vars=group=jitsi`
 - log in the server with SSH
 - run this command remotely to remove all Jitsi configuration & data: `rm -rf /matrix/jitsi`
 - run this command locally to set up Jitsi anew and restart services: `just install-service jitsi`
--- a/docs/configuring-playbook-user-verification-service.md
+++ b/docs/configuring-playbook-user-verification-service.md
@@ -71,7 +71,7 @@ To set your own Token, add the following configuration to your `vars.yml` file:
 matrix_user_verification_service_uvs_auth_token: "TOKEN"
 ```

 In case Jitsi is also managed by this playbook and 'matrix' authentication in Jitsi is enabled, this collection will automatically configure Jitsi to use the configured auth token.
 If a Jitsi instance is also managed by this playbook and [`matrix` authentication](configuring-playbook-jitsi.md#authenticate-using-matrix-openid-auth-type-matrix) is enabled there, this collection will automatically configure Jitsi to use the configured auth token.

 ### Disable Auth (optional)