Syslog (UDP) / Logstash / ES / Kibana - Metrics

ES7.4: Using Lostash input filter 'syslog' to analyze (e.g. nginx, apache, ...) logs. Using json syslog format in rfc3164 instead of combined log. Set up indexes, test the pipeline. PHP syslog script to test RFC3164 UDP syslog.

Work in progress