krisek

groups:
- name: node_exporter_alerts
  rules:
  - alert: Node down
    expr: up{job="monitoring-pi"} == 0
    for: 2m
    labels:
      severity: warning
    annotations:
      title: Node {{ $labels.instance }} is down

hpgrahsl

$ bin/kafka-console-producer --broker-list localhost:9092 --topic blogpost
{"title":"The Matrix","year":1999,"cast":["Keanu Reeves","Laurence Fishburne","Carrie-Anne Moss","Hugo Weaving","Joe Pantoliano"],"genres":["Science Fiction"]}
{"title":"Die Hard","year":1988,"cast":["Bruce Willis","Alan Rickman","Bonnie Bedelia","William Atherton","Paul Gleason","Reginald VelJohnson","Alexander Godunov"],"genres":["Action"]}
{"title":"Toy Story","year":1995,"cast":["Tim Allen","Tom Hanks","(voices)"],"genres":["Animated"]}
{"title":"Jurassic Park","year":1993,"cast":["Sam Neill","Laura Dern","Jeff Goldblum","Richard Attenborough"],"genres":["Adventure"]}
{"title":"The Lord of the Rings: The Fellowship of the Ring","year":2001,"cast":["Elijah Wood","Ian McKellen","Liv Tyler","Sean Astin","Viggo Mortensen","Orlando Bloom","Sean Bean","Hugo Weaving","Ian Holm"],"genres":["Fantasy"]}