How to run ServerSide lua script on Yùn? help me!!

Thanks in advance.

I want show in my sketch web page the wifi signal strenght.

I know that there is a lua script in /usr/bin called "pretty-wifi-info.lua" that do it.

I tried it with putty.exe and this is the result:

root@Ardumia:/usr/bin# pretty-wifi-info.lua
Current WiFi configuration
SSID: NETGEAR
Mode: Client
Signal: 68%
Encryption method: None
Interface name: wlan0
Active for: 45 : : minutes
IP address: 192.168.1.36/255.255.255.0
MAC address: 90:A2:DA:F2:09:14
RX/TX: 2597/56566 KBs

what I have to write in my index.html sketch web page to show the returning value of that script?

Is possible to run server-side Lua-script on Yùn?

Thanks again!!

This is my justforfunproject: http://fpwing-eng.blogspot.it/