Configure the Logging in a Cluster¶

All PLOSSYS 5 servers in a cluster have to transfer their log data to the same Elasticsearch server.

Perform the following configuration steps on <server_1>, <server_2> and <server_3>:

Edit the following file on the PLOSSYS 5 server:
```
/opt/seal/etc/filebeat.yml
```
With elasticsearch, replace localhost by the hostname or IP address of the management server:
```
output:
  elasticsearch:
    hosts:
    - http://<admin_server>:9200
```
Save the file.
Specify the following key for the seal-rest service:
- ELASTICSEARCH_REST_URL: URL of the Elasticsearch server
Example - setting key via PLOSSYS CLI
```
plossys config set ELASTICSEARCH_REST_URL "http://<admin_server>:9200" --service rest --insecure
```
1. Restart the PLOSSYS 5 system.

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