1. Open console
  2. enter ssh-keygen
  3. press fife time enter (passphrase is not required)
  4. enter cat .ssh/id_rsa.pub
  5. copy the key
  6. connect to the server -> ssh aquaverde@aqualab.ch
  7. edit the file .ssh/authorized_keys
  8. Paste the public key into the file 
  9. Save