Installing the Talend logging modules

You need to manually install Talend LogServer which includes Kibana and Filebeat to collect logs.

Before you begin

The Elasticsearch container requires that the vm.max_map_count parameter to be set to at least 262144. Look at this value on your machine and increase it if needed.

To check this value, run the following command:

sysctl vm.max_map_count

If you need to increase the value, run the following command:

sysctl -w vm.max_map_count=262144

To permanently write the value to the sysctl.conf file, run the following command:

vm.max_map_count = 262144

Procedure

Copy and extract the Talend-LogServer-VA.B.C.zip archive file in the directory of your choice.
The directory name must not contain spaces or non-ASCII characters.
To start Talend LogServer launch the start_logserver.sh executable file.
You cannot run Elasticsearch as the root user. Elasticsearch is part of the Talend LogServer, therefore you cannot run the executable file as root user.
Configure the values for LOG_PATH and APP_NAME for Filebeat:
- Open the filebeat.yml file located in the Filebeat directory and set the LOG_PATH and APP_NAME values as follows:
```
  paths:
    - ${LOG_PATH:/home/Talend/8.0.1/tac/apache-tomcat/logs/*}
  fields:
    app_id: ${APP_NAME:TAC}
```
- Or, set the LOG_PATH and APP_NAME environment variables:
```
export  LOG_PATH="/home/Talend/8.0.1/tac/apache-tomcat/logs/*"
export  APP_NAME="TAC"
```
Start Filebeat:
```
filebeat -e -c filebeat.yml
```

Results

You can access Talend LogServer with the following URL: http://localhost:5601/app/kibana#/dashboard/Default-Dashboard.

Troubleshooting: When you start the Talend LogServer, if you do not see logstash-*, talendesb-*, and talendaudit-* indices, complete the following steps:

Delete the .kibana index.

curl -XDELETE 'http://localhost:9200/.kibana'

Stop the Talend LogServer.
Start the Talend LogServer.

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