Software configuration
Command line to connect to WiFi
#Step 1: Turn on Wi-Fi
sudo nmcli r wifi on
#Step 2: Scan nearby APs
sudo nmcli dev wifi
#Step 3: Connect to AP
sudo nmcli dev wifi connect "DIR-803" password "839919060" ifname wlan0
#Step 4: Turn off Wi-Fi
sudo nmcli r wifi off