[Nut-upsuser] UPS hotplug

[Maxence Rioblanc]

Hi Bart,

Thanks for the clue.

I tried and managed to make it works by modifying the udev rule I was
working with.

Not sure if this is 100% correct but I can now recover my UPS when I
hotplug it:

/etc/udev/rules.d/ 90-nut-ups.rules





# ECUS UPS



ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="0001",
ATTR{idProduct}=="0000", MODE="0664", GROUP="nut",
RUN+="/usr/bin/systemctl restart nut-server.service"





Best regards,

Maxence



De : Bart J. Smit <bart at smits.scot>
Envoyé : mercredi 17 novembre 2021 13:45
À : Maxence Rioblanc <maxence.rioblanc at ixblue.com>;
nut-upsuser at alioth-lists.debian.net
Objet : RE: UPS hotplug



You can add a udev script to restart NUT when the UPS is plugged in
https://wiki.debian.org/udev



From: Nut-upsuser
<nut-upsuser-bounces+bart=smits.co.uk at alioth-lists.debian.net
<mailto:nut-upsuser-bounces+bart=smits.co.uk at alioth-lists.debian.net> > On
Behalf Of Maxence Rioblanc
Sent: 16 November 2021 11:55
To: nut-upsuser at alioth-lists.debian.net
<mailto:nut-upsuser at alioth-lists.debian.net>
Subject: [Nut-upsuser] UPS hotplug



Hello,



I’m using nut for few days and found it working perfectly fine in most
conditions. However, there is one behavior I am not able to handle
correctly:

When I boot my computer (I am in a mode=standalone configuration) while my
UPS is not connected and that I plug it (using USB cable) later, the
driver doesn’t mount automatically, and I am not able to enable
communication with my UPS.

I need to restart nut-server.service to get communication established.

Is there any way to make this hot plug works?



My configuration:

*	Debian 11
*	NUT 2.7.4-13 installed from apt-get
*	UPS: ECUS MRT_2_1000 running fine with blazer_usb driver
*





Regards,

Maxence

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