Configuring basic network connectivity

In this section, we are going to configure basic network connectivity using wpa_supplicant.

 

Getting ready

Besides having a terminal open, we need to remember a few concepts:

• Check whether wpa_supplicant is installed or not.
• You should know the SSID and password.
• Remember that you have to run your program as a root user.

How to do it...

Create a script called wifi_conn.sh and write the following code in it:

#!/bin/bash
ifdown wlan0
rm /etc/network/interfaces
touch /etc/network/interfaces
echo 'auto lo' >> /etc/network/interfaces
echo 'iface lo inet loopback' >> /etc/network/interfaces
echo 'iface eth0 inet dhcp' >> /etc/network/interfaces
echo 'allow-hotplug wlan0' >> /etc/network/interfaces
echo 'iface wlan0 inet manual' >> /etc/network/interfaces
echo 'wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf' >> /etc/network/interfaces
echo 'iface default inet dhcp' >> /etc/network/interfaces
rm /etc/wpa_supplicant/wpa_supplicant...