How to Use ssh without password

Login into server1 and run the following commands.

ssh-keygen -t rsa 

ssh user@server2 mkdir -p .ssh 

cat .ssh/id_rsa.pub | ssh user@server2 'cat >> .ssh/authorized_keys' 

ssh user@server2 "chmod 700 .ssh; chmod 640 .ssh/authorized_keys"

Now try to login to server2, it will won’t prompt you to enter password. Try and let me know.

ssh user@server2