Add a Hidden Wireless Network to Raspberry Pi Linux
How to set up a hidden wireless network within a Raspberry Pi Linux operating system.
Add the Wireless Network Information
Next, we will edit the wpa_supplicant.conf file. Enter the following in the terminal:
sudo nano /etc/wpa_supplicant/wpa_supplicant.conf
Edit the settings of this configuration file to be as such:
ssid="Your Hidden SSID"
psk="Your SSID's Password"
Note: You will need to change the "country" setting based on your location. Also, scan_ssid must be set to 1 to be able to detect a hidden SSID. Input your SSID name and password for your hidden network. Save these changes, reboot your raspberry pi, and then it should be automatically connected to the hidden network upon returning to the desktop.
Unable to Add Double Quotes to the Config File
Check your keyboard layout settings, make sure it's
English (US) not
English (US, international with dead keys) (assuming you're using US keyboard).
To change it from the command line, enter the following:
$ setxkbmap -layout us
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