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OpenUPS2 Install Linux

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Step 1

Plug the device in, check the device connection

$ sudo lsusb | grep "d005"
Bus 001 Device 002: ID 04d8:d005 Microchip Technology, Inc.

If no Microchip Technology device shows up, check the usb conection and try again

Step 2

Install NUT using your prefered package manager. OpenUPS2 requires at least networkupstools 2.7.3 or higher.

e.g on Ubuntu:

$ sudo apt-get install nut

If installing from sources:

sudo apt install build-essential python libtool pkg-config automake
sudo addgroup nut
sudo useradd -M -s /bin/false -g nut ups

git clone git://
./configure --with-user=ups --with-group=nut
sudo make install

sudo cp /usr/local/ups/etc/upsd.conf.sample /usr/local/ups/etc/upsd.conf
sudo cp /usr/local/ups/etc/upsd.users.sample /usr/local/ups/etc/upsd.users
sudo chmod 770 /usr/local/ups/etc/upsd.users
sudo chown root.nut /usr/local/ups/etc/upsd.users

Step 3

Edit /etc/nut/ups.conf (or /usr/local/ups/etc/ups.conf from sources) and add the following lines at the bottom:

    driver = usbhid-ups
    port = auto
    vendorid = 04d8
    pollfreq = 30
    desc = "Mini-Box OpenUPS2"
    productid = d005

Stop the upsdrvctl service

e.g on Ubuntu:

$ sudo upsdrvctl stop

If installed from sources:

$ sudo /usr/local/ups/sbin/upsdrvctl stop

Step 4

Configure the driver for the openups2

e.g on Ubuntu:

$ sudo /lib/nut/usbhid-ups -u root -a openups2

If installed from sources:

/usr/local/ups/bin/usbhid-ups -u ups -a openups2

If you get the error "Can’t chdir to /var/run/nut: No such file or directory"

$ sudo mkdir /var/run/nut
$ sudo chown root:nut /var/run/nut
$ chmod 770 /var/run/nut

Step 5

Change the permissions for the USB port

a) Find the bus number and device number for the UPS

$ lsusb | grep "d005"
Bus 001 Device 002: ID 04d8:d005 Microchip Technology, Inc.


$ sudo chmod 0666 /dev/bus/usb/[bus number]/[device number]

NOTE: these permissions will need to be reset everytime you restart the computer or unplug the device

OPTIONAL: a UDEV rule can be added to avoid this

$ sudo touch /etc/udev/rules.d/50-usb-openups2.conf
$ echo 'SUBSYSTEM=="usb", ATTR{idProduct}=="d005", MODE="0666"' | sudo tee --append /etc/udev/rules.d/50-usb-openups2.conf

Step 6

Start the driver service

e.g on Ubuntu:

$ sudo upsdrvctl start

If installed from sources:

$ sudo /usr/local/ups/sbin/upsdrvctl start

Step 7

Start UPSD

e.g on Ubuntu:

$ sudo upsd

If installed from sources:

sudo /usr/local/ups/sbin/upsd -u ups

NOTE: Recent versions of ubuntu might require editing /etc/nut/nut.conf and set MODE=standalone

Step 8

You can now view the live UPS data using your preffered UPSD Client

e.g with the built in UPSC client

$ upsc openups2@localhost
battery.capacity: 100
battery.charge: 100
battery.charge.low: 5
battery.charge.warning: 20
battery.current: 0.000 ?
battery.runtime: 3932100
battery.temperature: 34.22
battery.type: ?
battery.voltage: 10.22
device.mfr: Mini-Box.Com
device.model: OPEN-UPS2
device.serial: LI-ION
device.type: ups usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.parameter.productid: d005
driver.version: 2.7.1 openUPS HID 0.1
driver.version.internal: 0.38
input.current: 0.000
input.voltage: 533.95
output.current: 0.000
output.voltage: 488.36
ups.mfr: Mini-Box.Com
ups.model: OPEN-UPS2
ups.productid: d005
ups.serial: LI-ION
ups.status: OL
ups.vendorid: 04d8

If installed from sources:

/usr/local/ups/bin/upsc openups2@localhost


MiniBox OpenUPS2






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