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EAR offers a set of commands which help both users and administrators to interact with different components:
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- Commands to retrieve data stored in the DB: [eacct](#ear-job-accounting-eacct) and [ereport](#energy-report-ereport).
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- Commands to control and temporary modify cluster settings: [econtrol](#energy-control-econtrol).
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- Commands to retrieve data stored in the DB: [eacct](#ear-job-accounting-eacct) and [ereport](#ear-system-energy-report-ereport).
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- Commands to control and temporary modify cluster settings: [econtrol](#ear-control-econtrol).
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- Commands to create/update/clean the DB: [edb_create](#edb_create), [edb\_clean\_pm](#edb_clean_pm) and [edb\_clean\_apps](#edb_clean_apps).
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- A command to load transparently the EAR Library on systems where the batch scheduler has not a plug-in nor some use case isn't supported (e.g., running an OpenMPI application on SLURM systems through the `mpirun` command): [erun](#erun).
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- A command to show current EAR installation information: [ear-info](#ear-info).
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EAR was designed to be installed on heterogeneous systems, so there are some configuration parameters that are applied to a set of nodes identified by different tags.
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The `--node-conf` flag can be used to request additional information about a specific node.
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Configuration related to EAR's power capping sub-system, default optimization policies configuration and other parameters associated with the node requested are retrieved.
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You can read the [EAR configuration section](Configuration) for more details about how EAR uses tags to identify and configure different kind of nodes on a given heterogeneous system.
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You can read the [EAR configuration section](https://gitlab.bsc.es/ear_team/ear/-/wikis/Configuration) for more details about how EAR uses tags to identify and configure different kind of nodes on a given heterogeneous system.
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Contact with ear-support@bsc.es for more information about the nomenclature used by `ear-info`'s output. |
