Install wpasupplicant by entering the following commands in the terminal:
sudo apt update sudo apt install wpasupplicant
Description:
client support for WPA and WPA2 (IEEE 802.11i)
WPA and WPA2 are methods for securing wireless networks, the former using IEEE 802.1X, and the latter using IEEE 802.11i. This software provides key negotiation with the WPA Authenticator, and controls association with IEEE 802.11i networks.
Homepage: http://w1.fi/wpa_supplicant/
Version: 2:2.6-15ubuntu2
Section: net