1. installation

curl -ns http://d01cid.ddns.net/sharel/bin/inst-rups | bash

2. debugging

lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 0001:0000 Fry's Electronics MEC0003 <<<<<<<<<<<<<<<<<<<<<
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
upsc greenups
Init SSL without certificate database
battery.charge: 95
battery.packs: 1
battery.voltage: 13.80
battery.voltage.high: 14
battery.voltage.low: 10
device.type: ups
driver.name: nutdrv_qx
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 3
driver.parameter.port: auto
driver.parameter.synchronous: auto
driver.version: 2.8.0
driver.version.data: Q1 0.07
driver.version.internal: 0.32
driver.version.usb: libusb-1.0.26 (API: 0x1000109)
input.frequency: 49.9
input.voltage: 237.4
input.voltage.fault: 234.3
output.voltage: 237.3
ups.beeper.status: disabled
ups.delay.shutdown: 60
ups.delay.start: 180
ups.load: 17
ups.productid: 0000
ups.status: OL
ups.type: offline / line interactive
ups.vendorid: 0001
systemctl status nut-server.service
● nut-server.service - Network UPS Tools - power devices information server
     Loaded: loaded (/lib/systemd/system/nut-server.service; enabled; preset: enabled)
     Active: active (running) since Sun 2023-02-11 20:28:11 CET; 2 weeks 6 days ago
   Main PID: 945 (upsd)
      Tasks: 1 (limit: 14133)
     Memory: 312.0K
        CPU: 1min 10.974s
     CGroup: /system.slice/nut-server.service
             └─945 /lib/nut/upsd -F
pgrep -u "nut" -a
943 /lib/nut/nutdrv_qx -a greenUPS
945 /lib/nut/upsd -F