JITSI_SCALE unset -- "normal" core installation JITSI_SCALE=client -- Omit the JVB component, the Jitsi Scale servers take over JITSI_SCALE=server -- Omit anything but the JVB component to install a Jitsi Scale server
This enables us to modify gen-passwords.sh to suit Federated specific needs, such as using a shared JVB password for Jitsi Scale.