Install hdmi2usb-udev by entering the following commands in the terminal:
sudo apt update sudo apt install hdmi2usb-udev
Description:
udev rules for HDMI2USB devices
This package provides a set of udev rules files for HDMI2USB devices. They grant access to users in the "video" group, provide stable device symlinks, and suppress ModemManager. . https://hdmi2usb.tv/ is an open hardware and software project for capturing HDMI video with an FPGA board. This package supports the Digilent Atlys and Numato Opsis boards.
Homepage: https://hdmi2usb.tv/
Version: 0.0.1-2
Section: universe/admin