From the webpage to install vysor in Debian
https://www.vysor.io/download/linux
In the page, command provided...
(echo 'deb [arch=amd64, trusted=yes] https://nuts.vysor.io/apt ./' | sudo tee /etc/apt/sources.list.d/vysor.list) && sudo apt update && sudo apt install vysor
Will be tackled down
echo 'deb [arch=amd64, trusted=yes] https://nuts.vysor.io/apt ./' | sudo tee /etc/apt/sources.list.d/vysor.list
sudo apt update
sudo apt install vysor
Everything goes smoothly: