Notes on Setting up Eyelink Eyetracker

See https://www.sr-research.com/support/docs.php?topic=linuxsoftware

sudo add-apt-repository universe
sudo apt update
sudo apt install ca-certificates
sudo apt-key adv --fetch-keys https://apt.sr-research.com/SRResearch_key
sudo add-apt-repository 'deb [arch=amd64] https://apt.sr-research.com SRResearch main'
sudo apt update
# install all:
sudo apt install eyelink-display-software
# only core:
sudo apt install eyelinkcore edfapi edf2asc edfconverter