Our blogs can be a good place to start for a good walk-through of this functionality. You might try this one:
Feel free to search the blogs and see if any other posts are helpful too though! In addition to Logstash, Beats can be another way of harvesting large amounts of data to use in Elasticsearch. Specifically a Filebeat would likely work here.
Once you're done getting your data into Elasticsearch, then check our blogs and documentation for some good information on setting up Kibana visualizations.
I hope that gets you started!