build-in Wi-Fi diagnostics in os x lion

Surprise, surprise, Apple’s shipping a new hidden tool with OS X Lion: Wi-Fi Diagnostics. It’s not findable via spotlight or listed in your applications, to execute the diagnostics tool just open a terminal an type:

open /System/Library/CoreServices/Wi-Fi Diagnostics.app

Here you can watch network traffic, activate debug protocols or check signal strength.

Wi-Fi-diagnostics tool in os x lion

Wi-Fi-diagnostics tool in os x lion