Thanks!
That solved!
Now it seems to work, but I still have some doubts.
I’ve setup a nginx web server listening on port 80, OpenSprinkler sw is listening on 8080 (default on OSPi), set the script url to http://127.0.0.1/js so I’m able to open the login page on 192.168.1.88:80 and connect to the sprinkler 192.168.1.88:8080 (or launch the app and connect to 192.168.1.88:8080).
Is it the right way?
One final question: I’m not able to change the “-04:00” Timezone in “Edit options” -> System beacuse it is disabled, system clock and timezone are set ok, but this way OpenSprinkler shows a bad time, example:
Current default time zone: ‘Europe/Rome’
Local time is now: Thu Jun 4 12:14:24 CEST 2015.
Universal Time is now: Thu Jun 4 10:14:24 UTC 2015.
While on OpenSprinkler: Jun 04, 2015 06:14:24