How to add mysql skip name resolve

I have to connect to my MYSQL server via remote connection from my pc, The connection works. But its too slow.

From my reasearch I heard adding a line,

skip name resolve

is going to speed it up. But where to add this? And how?

I am using mysql 5.7 with Ubuntu 16.04.Is there any tutorial or something for this? I am noob.Can anyone please help me?