Renci.SshNet.SshClient ssh = new Renci.SshNet.SshClient("192.168.1.104", "sindrol", "");

            ssh.Connect();

            while (true)

            {

                Console.WriteLine("please input command:");

                var line = Console.ReadLine();

                if (string.IsNullOrWhiteSpace(line)) continue;

                var cmd = ssh.RunCommand(line);

                if (!string.IsNullOrWhiteSpace(cmd.Error))

                    Console.WriteLine(cmd.Error);

                else

                    Console.WriteLine(cmd.Result);

            }

            ssh.Disconnect();

    Renci.SshNet.SftpClient sftp = new Renci.SshNet.SftpClient("192.168.1.104", "sindrol", "");

            sftp.Connect();

            FileInfo fi = new FileInfo(@"D:\Project\Matlab\rcnn.rar");

            var allLength = fi.Length;

            sftp.UploadFile(new System.IO.FileStream(fi.FullName, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.ReadWrite, System.IO.FileShare.ReadWrite), "/home/sindrol/aa.zip", (pro) => { Console.WriteLine((pro * 1.0d / allLength * 1.0d).ToString("P")); });

            Console.WriteLine("finished.");

            while (true)

            {

                System.Threading.Thread.Sleep();

            }