Click on the video to send a snapshot to the receiving screen

ssh-keygen
cp to /root/.ssh
add id_rsa.pub to pi2's authorized_keys2
sudo autossh -M 0 -f -N -R 20002:localhost:22 pi@ok.duckdns.org -p 465 -o "ServerAliveInterval 60" -o "ServerAliveCountMax 3" -o BatchMode=yes -o StrictHostKeyChecking=no
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