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NUT - Network UPS Tools
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What is NUT
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NUT is a tool that enables the use of a UPS device via either USB or Network communication. 

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Installation
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NUT is available as a plugin in OPNSense via the plugin **os-nut**. You can install the plugin via **System > Firmware > Plugins > os-nut**.

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How to Setup - Netclient
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1. Navigate to the NUT services page and fill in the following values, then click apply:

==================== ============================================
Enable NUT            Checked
Service Mode          netclient
Name                  <choose a name>
Listen Address        <interface ip on which the server lives>
==================== ============================================

2. Click on the arrow down next to **UPS Type** and choose **Netclient**.

.. image:: images/nut_netclient_dropdown.png

3. Fill in these values, then click apply:

==================== ============================================
Enable                Checked
IP Address            <ip of NUT Server>
Username              <username, if applicable>
Password              <password, if applicable>
==================== ============================================

4. Click on **Diagnostics** in the left menubar. If configured correctly this page will show, after waiting a few seconds, information about the UPS. Look for **device.mfr** and **device.model** to check if the correct UPS is detected. 

.. image:: images/nut_diagnostics.png

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References
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-  `Official website of NUT <https://networkupstools.org/>`__