Moze mi ktos pomoc z sflashowaniem tego z NodeMCU za pomoca Pi 3B? Sam sobie nie dam rady :C

Hi,
Can someone help me with ESP8266 ? How can i flash nodeMCU using Raspberry Pi 3B?

I read a lot about it but I still can't connect to ESP

I used this:
http://www.esp8266.com/viewtopic.php?f=6&t=1816