Install browser-plugin-spice by entering the following commands in the terminal:
sudo apt update sudo apt install browser-plugin-spice
Description:
XPI client for interacting with SPICE servers
This package contains a mozilla browser client for interacting with SPICE servers. It is also known as spice-xpi on some platforms.
Homepage: http://spice-space.org/
Version: 2.8.90-5
Section: universe/misc