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<p class="MsoNormal">I have a Dell 500w UPS and it works great with Ubuntu 12.04 LTS and Network UPS tools 2.6.3 via usb. This powers a standalone server for the purposes of clean shutdowns. This was installed using “sudo apt-get install nut” and there are
no issues with the Server > nut > ups chain. I am using the usbhid-ups driver and haven’t had any issues.<b><o:p></o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am trying to also add an NAS to the system as a slave, so that as soon as the server shuts down, the NAS will also shut down, but I can’t get NUT to listen to anything. As far as I understand, the method I should be using is to:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Set MODE=netserver in /etc/nut/nut.conf<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Add the server’s IP address to LISTEN = [server ip] in /etc/nut/upsd.conf<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Then restart nut (sudo service nut restart).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This does not work. If I use the command sudo upsd I get the following output:<o:p></o:p></p>
<p class="MsoNormal">“Network UPS Tools upsd 2.6.3<o:p></o:p></p>
<p class="MsoNormal">Not listening on [server ip]<o:p></o:p></p>
<p class="MsoNormal">No listening interface available”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I use sudo service nut status I get the following output:<o:p></o:p></p>
<p class="MsoNormal">“Checking status of Network UPS Tools<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Upsd is not running<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Upsmon is running”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I check the output of the default port for the service sudo netstat –altp|grep :3493 I then get the following:<o:p></o:p></p>
<p class="MsoNormal">Tcp 0 0 [server address]:3493 0.0.0.0:* LISTEN 26648/upsd<o:p></o:p></p>
<p class="MsoNormal">Tcp 0 0 127.0.0.1:3493 0.0.0.0:* LISTEN 23679/upsd<o:p></o:p></p>
<p class="MsoNormal">Tcp 0 0 127.0.0.1:41385 127.0.0.1:3493 ESTABLISHED 27947/upsmon<o:p></o:p></p>
<p class="MsoNormal">Tcp 0 0 127.0.0.1:3493 127.0.0.1:41385 ESTABLISHED 23679/upsd<o:p></o:p></p>
<p class="MsoNormal">Tcp6 0 0 ::1:3493 :::* LISTEN 23679/upsd<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Which seems to show that upsd is running and it is listening or already connected, presumably via the usb cable.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">So is this working as intended? Is it impossible to set up a server + UPS via usb and then have another device (in this case an NAS) listen as a slave to the server? From the documentation it seems like this should be possible.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any help would be great. Thanks.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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