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A Journey of a Thousand Miles Begins with a Single Step

Timestamps in Painless

In short: Converting a UTC timestamp to a local timestamp (in Switzerland).

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Aggregate data in Elastisearch

Elasticsearch with its Query DSL allows powerful aggregations in order to save documents and disk space. After a certain period of time a certain level of detail is not needed anymore. For instance, I collect on a daily basis statistical data about fraud prevention services.

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Analyze Cluster Reroute

My test cluster health was yellow. The X-Pack Monitoring pointed to some indices, which were yellow.

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Reset Persistent Elasticsearch Cluster Setting

If you setup Elasticsearch to report to a dedicated monitoring cluster

PUT _cluster/settings
{
  "persistent": {
    "xpack.monitoring.exporters.cloud_monitoring.type": "http",
    "xpack.monitoring.exporters.cloud_monitoring.host": "MONITORING_ELASTICSEARCH_URL",
    "xpack.monitoring.exporters.cloud_monitoring.auth.username": "cloud_monitoring_agent",
    "xpack.monitoring.exporters.cloud_monitoring.auth.password": "MONITORING_AGENT_PASSWORD"
  }
}

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Ship Monit logs with Filebeat

A quick recipe how to ship Monit logs to Elasticsearch. Some initial configuration was in place but I ran into some troubles.

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Remove Image Meta Data

ExifTool is a free and open-source software program for reading, writing, and manipulating image, audio, video, and PDF metadata.

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Biel/Bienne - Gorges du Taubenloch

A pleasant sightseeing tour starting in the city of Biel (German) or Bienne (French), Switzerland. This tour has multiple finish possibilities.

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Reset SonarQube Admin User Password

Start root access to mysql database

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Remove field from Elasticsearch document

Lets assume you have some unwanted field in a document. In my case this is an error field from a pipeline.

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