Can't connect via ssh configured for VNC, why?

Question

SSH

Followed this tutorial - https://www.digitalocean.com/community/tutorials/h...
Amazon server. Ubuntu 14.04
I get to this point and that's it, asshole. Permission denied (public key).

ssh -L 5901:127.0.0.1:5901 -N -f -l user server_ip_address

What the hell is the problem? Does he need to feed the key? AS?
Ubuntu 16.04 local machine

Answer 1

-i path to key