The Edup dongle uses the Realtek RTL8188CUS Chipset, have a look at this thread:
http://forum.piratebox.cc/read.php?7,11098
or this thread:
http://forum.piratebox.cc/read.php?7,11108
alternatively, ssh to your RPi and run
or, just google "<your dongle> raspberry pi" or "<your dongles chipset> raspberry pi"
Good luck, I had a hard time with my wifi too, but it's running smoothly now, I hope the same for you ;-)
http://forum.piratebox.cc/read.php?7,11098
or this thread:
http://forum.piratebox.cc/read.php?7,11108
alternatively, ssh to your RPi and run
systemctl restart piratebox systemctl status piratebox.service
or, just google "<your dongle> raspberry pi" or "<your dongles chipset> raspberry pi"
Good luck, I had a hard time with my wifi too, but it's running smoothly now, I hope the same for you ;-)