MatheusS How to do it? 1) Run the following command to generate your keys; ssh-keygen -t rsa -b 4096 -C "Impreza" -f ~/.ssh/id_rsa 2) Verify if your files were created; ls -l ~/.ssh/id_rsa ~/.ssh/id_rsa.pub 3) Fix permissions; 4) Install your keys in "authorized_keys"; ssh-copy-id -i ~/.ssh/id_rsa.pub user@server.example.com 5) Access the following path and make sure your configs look like this; sudo nano /etc/ssh/sshd_config 6) Finish configuring it;