====== Gängige Befehle =====
  ls -lrt /var/log
  tail -F /var/log/messages
  less /var/log/messages
  grep Testmeldung /var/log/*

Falls vorhanden:
  multitail /var/log/messages

====== logs auswerten ======
===== Übersicht Logging-Stacks =====

^                  ^  Collection ->^  Aggregation ->^ Storage ^ <- Analysis ^
^                  |  logger ->|  [[syslog|rsyslog]] ->| /var/log, ... | <- grep / less / logcheck / … |
^ journald         |     logger / systemd / … ->|| [[journald]] | <- journalctl |
^ ELK              |  (File)Beat ->|  Logstash ->| Elasicsearch | <- Kibana |
^ EFK              |  Fluentbit ->|    Fluentd ->| Elasicsearch | <- Kibana |
^ Graylog          |    Graylog ->|    Graylog ->| Elasicsearch | <- Graylog |
^ Victoria Logs    |      vlagent / Fluentbit ->|| Victoria Logs | <- Grafana |
^ Loki             |         Alloy / Promtail ->|| Loki | <- Grafana |