Airsonic has some system-wide configuration. These configurations are stored in the airsonic.properties file.
For more details please see this guide.
To configure any parameters when running standalone you need to add Java parameters.
These parameters are not modifiable through the web interface.
For more details please see this guide.
When using tomcat to run Airsonic some parameters can be set with Java and others need to change the tomcat configuration.
These parameters are not modifiable through the web interface. See below for steps for setting Java Parameters.
For more details please see this guide.