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As part of a Kiosk setup, it could be desire-able to have the machine which is hosting the browser automatically log in. This could be useful in the event of a power failure in which the device has been set to turn on once primary power has been restored. When used in conjunction with Auto Selecting A Certificate For Client Certificate Authentication and Launching Firefox On Startup, this would allow for the Kiosk to return to normal operation without any user intervention.
The process has been outlined on many websites so we will not go into this process in depth. Please use the following links to accomplish automatic login: