Tutorials

Configure Wi-Fi on command line

• # iw dev       //list all the connected WiFi adapters in your Linux machines.
• # ip link show wlan0
• # ip link set wlan0 up
• # ip link show wlan0
• # iw wlan0 link       // to check connection status
• # iw wlan0 scan       // scan to find wifi network
• # wpa_passphrase blackMOREOps >> /etc/wpa_supplicant.conf
• # cat /etc/wpa_supplicant.conf
• # wpa_supplicant -B -D wext -i wlan0 -c /etc/wpa_supplicant.conf
• B – means run wpa_supplicant in the background
• D – specifies the wireless driver. Wext is the generic driver
• c – specifies the path of the configuration file
• # iw wlan01 link       // verify that you are connected to the SSID
• # dhclient wlan0       // get ip using dhclient
• # ip add show wlan0
• # ip route show
• # ping 8.8.8.8       // test connectivity from command line

Conclusion: short summary

for more details visit here