Arduino NANO + USB and Local Blynk Server?

Hello everybody ! Merry Christmas !
Please tell me how to connect the Arduino Nano + usb to a local server ???

Hi,

Please use search on this forum, Google, Blynk docs and study Blynk example sketches

./blynk-ser.sh -s you_host_or_IP

and where to add this condition ???

Thanks to all. I got it!