sl@sl:/arachni-1.6.1.3-0.6.1.1/bin$ ./arachni_rest_server -h
Usage: arachni_rest_server [options]
-p port set the port (default is 4567)
-s server specify rack server/handler
-q turn on quiet mode (default is off)
-x turn on the mutex lock (default is off)
-e env set the environment (default is development)
-o addr set the host (default is (env == 'development' ? 'localhost' : '0.0.0.0'))
sl@sl:/arachni-1.6.1.3-0.6.1.1/bin$ ./arachni_rest_server -o 10.10.18.235
Arachni - Web Application Security Scanner Framework v1.6.1.3
Author: Tasos "Zapotek" Laskos tasos.laskos@arachni-scanner.com

       (With the support of the community and the Arachni Team.)

Website: http://arachni-scanner.com
Documentation: http://arachni-scanner.com/wiki