Use qrcodes for wifi
A while ago I saw a nice Tweet on how to create QR codes from the command shell.
10.12.2020 - link drop
wi fi - “Cannot add/update network before store is read!
15.10.2019 - link drop
How to Share Wi-Fi Adapters Across a Network with Airserv-Ng « Null Byte :: WonderHowTo
No iwlagn in Linux 3.2+
I installed today the new Kernel 3.2 and didn't have any Wifi, that is related to some changes in the iwlagn divers.