code: def save_connection_settings(self):
          
  
          if not self.save_layout.isChecked():
              return
  
          is_ssh_key = bool(self.kf_radio.isChecked())
          connection_settings = {
              "json_file_path": self.cf.text(),
              "is_remote": self.rm_group.isChecked(),
              "username": self.un.text(),
              "hostname": self.hn.text(),
              "port": self.pn.text(),
              "is_ssh_keyfile": is_ssh_key,
              "ssh_key_file_path": self.kf.text()
          }
          CONF.set("existing-kernel", "settings", connection_settings)
  
          try:
              import keyring
              if is_ssh_key:
                  keyring.set_password("spyder_remote_kernel",
                                       "ssh_key_passphrase",
                                       self.kfp.text())
              else:
                  keyring.set_password("spyder_remote_kernel",
                                       "ssh_password",
                                       self.pw.text())
          except Exception:
              pass
docs: Save user's kernel connection settings.