hadoop/hadoop-hdds/docs/content/tools/_index.md

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title: "Tools"
date: "2017-10-10"
summary: Ozone supports a set of tools that are handy for developers.Here is a quick list of command line tools.
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---
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Ozone has a set of command line tools that can be used to manage ozone.
All these commands are invoked via the ```ozone``` script.
Daemon commands:
* **scm** - Storage Container Manager service, via daemon can be started
or stopped.
* **om** - Ozone Manager, via daemon command can be started or stopped.
* **datanode** - Via daemon command, the HDDS data nodes can be started or
stopped.
* **s3g** -
Client commands:
* **sh** - Primary command line interface for ozone to manage volumes/buckets/keys.
* **fs** - Runs a command on ozone file system (similar to `hdfs dfs`)
* **version** - Prints the version of Ozone and HDDS.
Admin commands:
* **classpath** - Prints the class path needed to get the hadoop jar and the
required libraries.
* **dtutil** - Operations related to delegation tokens
* **envvars** - Display computed Hadoop environment variables.
* **getconf** - Reads ozone config values from configuration.
* **jmxget** - Get JMX exported values from NameNode or DataNode.
* **scmcli** - Developer only, Command Line Interface for the Storage
Container Manager.
* **genconf** - Generate minimally required ozone configs and output to
ozone-site.xml.
Test tools:
* **freon** - Runs the ozone load generator.
* **genesis** - Developer Only, Ozone micro-benchmark application.
For more information see the following subpages: