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How to remove date from LogStash event...

Handling different log formats in the same file...

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Logstash grok multiple matches failure...

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Logstash configuration: http output with Base 64 encoded headers...

Is it possible to use Logstash to remove_field if it does not match a certain value?...

How to capture and replace string of numbers after certain text with Logstash's grok?...

logstash generate @timestamp from parsed message...

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Grok formatting for a custom timestamp...

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automatically map fields in syslog "message" section...

Logstash 1.4.2 grok filter: _grokparsefailure...

how to match several possible log events formats?...