Get the Barbara ID of the node
The Barbara ID is a unique hexadecimal string assigned to every Barbara Edge Node. It acts as a fingerprint, allowing you to identify and manage your node within the Barbara Platform. Before registering your node on the Panel, it's necessary to determine its specific Barbara ID.
This guide explores three methods to locate your Barbara ID.
Direct Display on the Edge Node (Recommended)
If a display can be connected to your Barbara Node:
- At the end of the boot process, the display will showcase both your
Barbara IDand a QR Code below it.

Barbara ID in screen
- The QR Code, when scanned, will link you to a webpage that also displays your
Barbara IDfor convenience.

Barbara ID in screen
USB Assistant Tool
The Barbara USB Assistant Tool provides a convenient and reliable method to access various configuration details of your Edge Node, including the crucial Barbara ID.
Go beyond just the Barbara ID and explore here the full range of functionalities offered by the USB Assistant Tool.
Here's how to utilize the USB Assistant Tool to retrieve your Barbara ID:
- Prepare a USB pen drive: Ensure your USB flash drive is formatted in FAT32 format. Most operating systems offer built-in formatting tools.
- Connect the USB Drive: Insert the prepared USB drive into a designated USB port on your Edge Node.
- Generate Information File: Remove the USB drive from your Edge Node and connect it to your computer. Open the file explorer or finder and locate the USB drive.
- Access Information on Your Computer: Remove the USB drive from your Edge Node and connect it to your computer. Open the file explorer or finder and locate the USB drive.

Barbara folder in USB root
- Find Your
Barbara ID: You'll typically see a new folder namedbarbarawithin the root directory of the USB drive. Open this folder and locate a file namedbarbarainfo.txt. This text file will contain various information about your Edge Node, including yourBarbara ID(lines 4-5) which you can view using a text editor.
Timestamp:
334673
Barbara ID:
pi3-xxxxxxxxxxxx
Barbara OS version:
4.3.0
Barbara OS UTC:
1685403411
Network info:
Iface name: lo IP: 127.0.0.1/8
Iface name: lo IP: ::1/128
Iface name: wlan0 IP: 10.43.0.1/24
Iface name: wlan0 IP: fe80::6b31:bcd4:1def:423e/64
Iface name: docker0 IP: 172.17.0.1/16
Connectivity status:
NmStateConnectedLocal
Docker support:
true
WiFi Hotspot
WiFi Hotspot is a Barbara built-in solution to access your Edge Node's Barbara ID and network configuration which is available for nodes that meet two conditions:
- Unregistered with Panel: The Edge Node cannot be previously registered with Barbara Panel.
- WLAN Interface Available: The Edge Node must have a functional WiFi (WLAN) interface onboard.
Check this article to know the full functionality of WiFi Hotspot.
If these conditions are satisfied, the WiFi Hotspot will create a WLAN Network with following access parameters:
- SSID: Your Node's
Barbara ID(This will be a unique hexadecimal string). - Password: The network password will be
BarbaraHotspot
Once successfully connected to the Wi-Fi hotspot, open a web browser on your device. Open your browser and enter following IP address: http://10.43.0.1
Access the WiFi Hotspot Configuration Site here.
You can also check and copy your Node's Barbara ID in the configuration site.

Barbara ID in WiFi Hotspot