How to Quickly Configure Wireless WPA Connection on Raspberry Pi
The latest version of the Raspbian Linux distro for Raspberry Pi contains a graphical tool for configuring and managing wireless connections, but you can easily set up a wireless connection to a WPA-protected Wi-Fi network without booting into a graphical desktop environment. Assuming that you are using a wireless adapter supported by Raspbian, run the iwconfig command to find out the correct wireless interface (in most cases, it's wlan0). Create then a backup copy of the /etc/network/interfaces network configuration file using the following command:
sudo cp /etc/network/interfaces /etc/network/interfaces.old
Open the file in the nano editor:
sudo nano /etc/network/interfaces
Locate the default configuration of the wlan0 interface which should look something like this:
allow-hotplug wlan0 iface wlan0 inet manual wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf iface default inet dhcp
Replace it with the following profile:
auto wlan0 iface wlan0 inet dhcp wpa-ssid [ESSID] wpa-psk [PASSPHRASE]
Reboot your Raspberry Pi, and it should automatically connect to the configured network.comments powered by Disqus
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