echo 'Encryption=PreferOn' | sudo tee -a /root/.vnc/config.d/vncserver-x11
sudo vncpasswd -legacy -service
sudo systemctl restart vncserver-x11-serviced
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echo 'Encryption=PreferOn' | sudo tee -a /root/.vnc/config.d/vncserver-x11
sudo vncpasswd -legacy -service
sudo systemctl restart vncserver-x11-serviced