code: def execute_ssh(commands)
        commands = [commands] unless commands.is_a? Array
        result = ""
        Net::SSH.start settings.remote_server, settings.remote_user do |ssh|
          commands.each do |command|
            was_error = false
            logger.info "ssh: #{command}"
            ssh.exec! command do |channel, stream, data|
              case stream
              when :stdout
                logger.info data
                result += "#{data}\n" unless data.empty?
              when :stderr
                logger.error data
                was_error = true
              end
            end
            throw "Exception during ssh, look in log file" if was_error
          end
        end
        result
      end
docs: Runs one ore more commands remotely via ssh