GTKWifi Two-Step Install

[bsoft]

1: Open a command prompt (appications -> system tools -> terminal)
2: Copy and paste the following command, then press Enter:

gpg --keyserver pgp.mit.edu --recv-key 23E7F610 && wget -O - http://gtkwifi.sf.net/install.sh.gpg | gpg > install.sh && clear && sudo ./install.sh

[charlieg]

Well, it was only a 3 step install before?

1. Download latest gtkwifi .deb
2. dpkg -i { the gtkwifi .deb }
3. Add the now-available wireless monitor to your panel

What's the install.sh stuff do that the above doesn't?