Installing ELK stack
Followed https://techviewleo.com/install-elastic-stack-elk-on-debian/ ports:
- elasticsearch: 9200
- logstash: 5044
- kibana: 5601
- filebeat
change elasticsearch JVM heap size to use only 1G in /etc/elasticsearch/jvm.options
-Xms1g -Xmx1g
Test ElsticSearch
curl --cacert /etc/elasticsearch/certs/http_ca.crt -u elastic http://localhost:9200
