wifi

wpa_supplicant -D nl80211 -i wlan0 -c /etc/wifi/wpa_supplicant.conf -B
wpa_cli -i wlan0 set update_config 1
wpa_cli reconfigure
wpa_cli -i wlan0 scan
wpa_cli -i wlan0 scan_result
wpa_cli -i wlan0
add_network
set_network 1 ssid "WDR5620_selftest_2.4G"
set_network 1 psk "12345678"
enable_network 1
select_network 1
quit
dhcpcd wlan0 
killall wpa_supplicant