Questions tagged [nut]

The Network UPS Tools are a set of open-source programs that facilitate UPS monitoring in a networked environment using a client/server model.

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How can I fix my UPS repeatedly disconnecting and reconnecting?

I'm running a nut server connected to a Tripp Lite SMART1500LCD by USB. The device is behaving unexpectedly and I can see these kernel messages: user@host:~ $ dmesg -T [Wed Dec 4 13:24:24 2019] usb ...
Layne's user avatar
  • 101
4 votes
2 answers
3k views

How to have NUT automatically power off a UPS before the monitoring system shuts down?

I've got NUT configured on a few systems in the following way: One host is connected to four UPSes via USB. That host is plugged into two of the four UPSes. Two other hosts are on the same rack, ...
asciiphil's user avatar
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3 votes
2 answers
5k views

How to disable UPS energy_saving with NUT?

I've got a Proline 650 UPS (Serial) installed Extra details: The UPS has a serial connection with a single 12v SLA battery. (It was not listed in the NUT compatibility list but after compiling NUT-...
user1862165's user avatar
3 votes
0 answers
2k views

Network UPS Tools (NUT) causing UPS to Reboot?

I have NUT upsmon 2.7.2 installed on an OrangePi One running Armbian 5.25 (which is Debian jessie). It is setup to monitor my Tripp Lite SmartOnline SU3000RTXLCS2U using the usbhid-ups driver and ...
radensb's user avatar
  • 131
3 votes
0 answers
141 views

Server not start in low battery (Network UPS Tools)

I have server (Centos 6.5 + nut-2.6.5 + Powercom BNT-600AP USB) everything works well, UPS picks up problems with electricity. When no electricity more than 10 minutes UPS shutdown the server, and ...
snex's user avatar
  • 191
2 votes
1 answer
14k views

apcupsd vs NUT in Proxmox environment

I have a Proxmox node which is actually is HP Proliant DL 320e G8 server + APC SmartUPS 750 connected directly to the server by usb cable. On the host are running several Linux VMs. My question is - ...
powerthrash's user avatar
2 votes
2 answers
14k views

Can't get upsmon service started to monitor (and respond to) remote UPS

I am having difficulty getting my nut install to simply monitor a single remote UPS attached to a Buffalo LinkStation Duo. I can manually correctly read its status using upsc [email protected] and it ...
stefandz's user avatar
  • 123
2 votes
1 answer
2k views

NUT UPS-Dummy driver in repeater mode for Synology NAS

I have a NUT client that requires the UPS it monitors to be named ups. The client (a Synology NAS) does not provide a method to change this configuration. My setup consists of multiple UPSes monitored ...
Jon's user avatar
  • 151
1 vote
1 answer
4k views

APC SC1000I over USB and NUT

I've got an APC SC1000I which I want to set up to be monitored with NUT, likely with newhidups. The basic config doesn't work: # tail -n 1 /var/log/messages Poll UPS [apc@localhost] failed - Driver ...
yanchenko's user avatar
  • 289
1 vote
3 answers
6k views

FreeNAS NUT Slave and not master?

I have 2x FreeNAS servers and one UPS. The First FreeNAS server has the NUT stuff configured, running and working just fine. Is there a way to configure my second freeNAS server to be a slave to the ...
Luma's user avatar
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1 vote
0 answers
2k views

NUT shuts down UPS even when power is available

I have an APC Backup UPS ES 850G2, connected via USB to a RaspberryPi acting as NUT master. The Pi uses the usbhid-ups driver. Several other devices are NUT slaves and poll the Pi for UPS info. Here's ...
TTL's user avatar
  • 11
1 vote
0 answers
336 views

NUT loses communications with the UPS

I am using NUT to monitor my UPS. I have a APC Back-UPS ES 550G, and the NUT server runs on a Raspberry Pi. I use the usbhid-ups driver, which works fine most of the time. However, after a few hours ...
petersohn's user avatar
  • 161
0 votes
1 answer
4k views

APC SmartUPS suddenly all lights flashing. What's going on?

upsfault: I have a APC SmartUPS 2U 1500 somewhere in a rack far away. Batteries were replaced recently and UPS was working without issues for a long time. Suddenly yesterday, the entire equipment ...
divB's user avatar
  • 570
0 votes
2 answers
3k views

APC 2200 RM in a continual self-test! Why?

I've purchased two different used APC 2200 RM units, and both have entered into a mode where they execute a continual self-test: that is, they go on battery briefly, test, then the test comes back ...
Mei's user avatar
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0 votes
1 answer
6k views

MacOS nut client install for synology network ups

I have an APC UPS connected to my synology nas and I am trying to get my mac (10.13) to connect to the 'network ups' of synology. So far I've been trying to follow this guide: https://community....
Kevin V's user avatar
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0 votes
0 answers
12 views

Why is one of my nut-clients not sending broadcast messages to all users?

I have several clients connected to a server running nut-server. When the UPS goes to battery or back to line power all but one display broadcast messages like the following: Broadcast message from ...
Mike's user avatar
  • 251
0 votes
1 answer
89 views

nut client configuration issue

There are 2 UPS NUT servers running in my rack. 1 is running on TrueNAS SCALE and another is running on Synology DS918+. And there is a NUT client running on a ubuntu server. The NUT client keeps ...
crackpot's user avatar
  • 101
0 votes
1 answer
613 views

Configuring NUT for old serial connected UPS (Tripp-Lite)

I have an old Tripp-Lite UPS (SU2200RTXL2UA) which I need to communicate with via it's RS232 Port (this model doesn't have a USB port). I'm trying to figure out which Serial NUT driver would be most ...
Jason O's user avatar
  • 159
0 votes
0 answers
652 views

nut ups master and slave across different networks

I have set up a NUT master and slave and they work great when on the same LAN. Does anyone know if it possible to set them up across different networks? I can't find any reference to this anywhere ...
Madrid1980's user avatar
0 votes
0 answers
974 views

Nut says APC UPS is on battery. It is not

Since 2 days my Smart-UPS 1500 RM reports it is on battery but this is clearly not the case since it's been running for more than two days indicating 100% battery with 01:30:00 running time. Batteries ...
divB's user avatar
  • 570
0 votes
1 answer
2k views

install-man5 Error 1 after running 'make install' after compiling NUT (Network UPS Tools)

In an attempt to solve my NUT energy-saving problem that I've asked about in a lengthy serverfault question, I read that in the latest NUT version, nutdriver_qx replaces blazer_ser and I think it's ...
user1862165's user avatar
0 votes
2 answers
282 views

NUT UPS: stop specific service on power failure

Does anybody know how to stop a service when there is a power failure using NUT? I made a custom script like this, the problem is that the script user (NUT) does not have root permissions to stop the ...
HyperDevil's user avatar
-1 votes
1 answer
605 views

NUT slave powering off when master reboots

I have a homelab with the following setup: NAS (QNAP TS-453D) <─usb─ UPS (CyberPower VP1000ELCD) | ethernet └> Proxmox Server The NAS is the UPS master, configured to ...
Nemesis's user avatar
-3 votes
1 answer
3k views

Is a Virtualbox FreeNAS VM reliable (with a UPS)? [closed]

I started looking at - Is FreeNAS reliable? I would have taken issue with TV10's comment : "longer than a UPS would handle it" (but I don't yet have a rating high enough to do so). I am running a ...
irdroid3's user avatar
  • 102