Depending of your installation, you should find the bin/ of elasticsearch,
I most cases is in /usr/share/elasticsearch/bin
example:
# /usr/share/elasticsearch/bin/elasticsearch-node
A CLI tool to do unsafe cluster and index manipulations on current node
Non-option arguments:
command
Option Description
------ -----------
-E <KeyValuePair> Configure a setting
-h, --help Show help
-s, --silent Show minimal output
-v, --verbose Show verbose output
ERROR: Missing command
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