logstash

An Elasticsearch ETL (extract, transform and load) tool. Commonly used to load data from various sources (such as databases and log files) into Elasticsearch. More information: https://www.elastic.co/products/logstash.

• Check validity of a Logstash configuration:

logstash --configtest --config logstash_config.conf

• Run Logstash using configuration:

sudo logstash --config logstash_config.conf

• Run Logstash with the most basic inline configuration string:

sudo logstash -e 'input {} filter {} output {}'