Use qrcodes for wifi
A while ago I saw a nice Tweet on how to create QR codes from the command shell. There using the command
This command can be used to display a WiFi Password. With an iPhone or Android (10) you’re able to scan QR code and connect to Wifi.It is more comfortable than entering the password on a phone.
The string that will be placed within the QRcode needs to follow a specific format, here is an example for this:
qrencode -o - 'WIFI:T:WPA;S:MyNetworkName;P:ThisIsMyPassword;; ' |display
The command will generate the following QR code that can be used by a mobile device. Scanning it with the camera app will ask you to connect to the given Wifi:
Scanning this with the phone will put the following display:
Pretty neat, right?