I use nmcli command:
# config
sudo nmcli device wifi connect YOUR-SSID password YOUR-PWD ifname wlan0 &
# autostart
sudo nmcli connection modify YOUR-SSID connection.autoconnect yes
I use nmcli command:
# config
sudo nmcli device wifi connect YOUR-SSID password YOUR-PWD ifname wlan0 &
# autostart
sudo nmcli connection modify YOUR-SSID connection.autoconnect yes