I have with me RAK811 (Lora Node) and RAK831 (LoRa Gateway). Its just that I have tried one or 2 LoRaWAN servers both a cloud one and a private network one. I want to write my own server. How will I proceed in this situation? Where can I find all the documentation to start writing one and which language will be suitable? Please guide me. Thank you.
You must use https://loraserver.io
you can download and install it wherever you want, dont need to make from scratch your own lorawan server.