If you need to change the install HTTP instance, use the following IBM provided tools:
1.  Start ADMIN HTTP Instance.
     The HTTP Server (powered by Apache) can be configured via a browser interface. First you need to start the ADMIN HTTP instance using this command:
     STRTCPSVR SERVER(*HTTP) HTTPSVR(*ADMIN)
 
2.  Start HTTP Server Administration Interface.
     Start your browser and access the HTTP Server Administration Interface with this URL:
 http://\[your IBM i name\]:2001