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Elastic Docs ›Elasticsearch Guide [8.15] ›Command line tools

elasticsearch-syskeygen

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elasticsearch-syskeygen

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The elasticsearch-syskeygen command creates a system key file in the elasticsearch config directory.

Synopsis

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bin/elasticsearch-syskeygen
[-E <KeyValuePair>] [-h, --help]
([-s, --silent] | [-v, --verbose])

Description

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The command generates a system_key file, which you can use to symmetrically encrypt sensitive data. For example, you can use this key to prevent Watcher from returning and storing information that contains clear text credentials. See Encrypting sensitive data in Watcher.

The system key is a symmetric key, so the same key must be used on every node in the cluster.

Parameters

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-E <KeyValuePair>
Configures a setting. For example, if you have a custom installation of Elasticsearch, you can use this parameter to specify the ES_PATH_CONF environment variable.
-h, --help
Returns all of the command parameters.
-s, --silent
Shows minimal output.
-v, --verbose
Shows verbose output.

Examples

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The following command generates a system_key file in the default $ES_HOME/config directory:

bin/elasticsearch-syskeygen
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