> For the complete documentation index, see [llms.txt](https://docs.coherence.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coherence.io/1.3/manual/advanced-topics/command-line-interface.md).

# Command-line interface tools

Found in `<package-root>/.Runtime/<platform>/`.

### Replication Server

`replication-server --help serve`

```
      --port=32001                                  The port to listen to.
      --stats-port=32000                            The port to listen for stats scrapers. Also enables pprof.
      --use-p-prof                                  If StatsPort is 0 then setup pprof on port 6060.
      --dump                                        Write network packets to capture files (.packets).
      --dump-reverse                                Write network packets reversing in and out packets
      --frequency=20                                [Obsolete] use SendFrequency instead.
      --send-frequency=20                           The server send frequency.
      --recv-frequency=60                           The server packet receive frequency packets/s. Packets received faster than this will be dropped and the connection throttled.
      --schema=STRING                               The schema file (.schema).
      --disconnect-timeout=5000                     Disconnect timeout (in milliseconds).
      --debug-streams                               Use debug streams.
      --max-entities=65536                          Maximum number of entities allowed.
      --max-clients=200                             Expected maximum number of clients.
      --min-query-distance=0.1                      Minimum distance for query change.
      --web-support                                 [Deprecated] Does this support web connections.
      --public-ip=STRING                            Public IP of the replication server, used by webrtc.
      --web-port=32003                              Port for webrtc, only used if --web-support is true
      --signalling-port=32002                       Port for signalling, only used if --web-support is true
      --out-stats-freq=1                            Frequency, in seconds, of updates to prometheus stats
      --log-stats-freq=0                            Frequency, in seconds, of output of stats to INFO logs. 0 - no output
      --env="prod"                                  Environment in which the server is executed
      --secret="local-development"                  Secret used for API request and client authentication. The default value is used during local development only.
      --project-id="local"                          ID of the project as assigned by the portal.
      --persistence-enabled                         If enabled, starts replication server with persistence attached.
      --persistence-save-file-name="world.save"     The name of the persistent save file.
      --persistence-save-folder="."                 The folder where the save file is written.
      --persistence-save-frequency=30               The frequency in which the save file is written (in seconds).
      --persistence-query-world-position="0,0,0"    Position of the center of the entity query.
      --persistence-query-radius=10000              Radius of entity query.
      --persistence-disable-s-3-storage             Enable to disable storing to S3.
      --persistence-upload-size-threshold=1024      Difference in bytes to cause an s3 upload.
      --persistence-upload-frequency-forced=3600    The maximum number of seconds between forced s3 uploads.
```

To start the Server, you need to give it the location of the schema.

{% hint style="info" %}
You can copy the CLI commands to start the replication server form *coherence Hub > Servers* tab\_.\_

\_\_<img src="/files/DRoV2FArP4WZlqZM2bEI" alt="" data-size="original">
{% endhint %}

You can also define other parameters like `min-query-distance` (the minimum distance the LiveQuery needs to move for the Replicator to recognize a change), send and receive `frequency`, `ip` and `port` number.

Minimal parameters set is presented in the example below:

`replication-server serve --port 32001 --signalling-port 32002 --send-frequency 20 --recv-frequency 60 --web-support --env dev --schema "/Users/coherence/unity/Coherence.Toolkit/Toolkit.schema,/Users/coherence/MyProject/Library/coherence/Gathered.schema"`

`replication-server --help listen`

```
      --port=64001                    The port to listen to.
      --default-frequency=20          [Obsolete] use SendFrequency instead.
      --send-frequency=20             The frequency to send data to the clients. Packets/s.
      --recv-frequency=60             The server packet receive frequency packets/s. Packets received faster than this will be dropped and the connection throttled.
      --default-schema=STRING         The default schema file (.schema).
      --stats-port=64000              The port to listen for stats scrapers. Also enables pprof
      --use-p-prof                    If StatsPort is 0 then setup pprof on port 6060.
      --udp-port=42001                Port for udp traffic.
      --web-support                   [Deprecated] Does this support web connections.
      --web-port=42003                Port for webrtc, only used if --web-support is true
      --public-ip=STRING              Public IP of the replication server, used by webrtc.
      --signalling-port=42002         Port for signalling, only used if --web-support is true
      --disconnect-timeout=5000       Disconnect timeout (in milliseconds).
      --out-stats-freq=1              Frequency, in seconds, of updates to prometheus stats
      --log-stats-freq=0              Frequency, in seconds, of output of stats to INFO logs. 0 - no output
      --env="prod"                    Environment in which the server is executed
      --region=STRING                 Region in which the server is located
      --secret="local-development"    Secret used for API request and client authentication. The default value is used during local development only.
      --room-size-limit=100           The hard limit of max clients in a room enforced at room creation
      --has-persistence               Does this support enabling persistence.
      --grpc-address=STRING           Address for realtime streaming of room/world updates
      --rsid=STRING                   Replication server unique ID
```