ip link show wlp2s0
ip link set wlp2s0 up
iw wlp2s0 link
sudo iw wlp2s0 scan | grep -i ssid
ps -ef | grep wpa_supplicant
sudo kill -9 <pid>
connect lib/doc/wifi/home ; sudo dhclient wlp2s0
ip link show wlp2s0
ip link set wlp2s0 up
iw wlp2s0 link
sudo iw wlp2s0 scan | grep -i ssid
ps -ef | grep wpa_supplicant
sudo kill -9 <pid>
connect lib/doc/wifi/home ; sudo dhclient wlp2s0