====== SSH ======
    Terminate session - Enter key followed by ~. 

  * [[https://smallstep.com/blog/ssh-agent-explained/#:~:text=Lock%20your%20ssh%20agent%20when,your%20agent%20without%20the%20password.|SSH-agent explained]]
  * add SSH key id_rsa.pub''%%ssh-copy-id -i ~/.ssh/id_rsa.pub melnikov_ea@root-docker03.gorodperm.ru%%''
  * https://robotmoon.com/ssh-tunnels/