Setup WiFi on Raspberry PI

[branx86]

in etc/wpa-supplicant.conf

network={
    ssid="YOUR_NETWORK_NAME"
    psk="YOUR_PASSWORD"
    key_mgmt=WPA-PSK
}

or for  Raspberry Pi OS, Raspbian Stretch, or Raspbian Buster:

country=US # Your 2-digit country code
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev # Include this line for Stretch
network={
    ssid="YOUR_NETWORK_NAME"
    key_mgmt=NONE
}



Use-    sudo iwlist wlan0 scan   -to scan for wireless SSID cmd line
Use-    sudo ifup wlan0      -to start wireless
           iwgetid                  -will give you the SSID
           iwconfig                 -will show you wireless card