using System;

using Renci.SshNet;

​

namespace Foo

{

    public class Bar

    {

        public static void Main(string[] args)

        {

            using (var client = new SshClient("hostMachineA", "usernameMachineA", "passwordMachineA"))

            {

                client.Connect();

​

                var command = client.CreateCommand("ssh usernameMachineB@hostMachineB");

                command.Execute();

                // You are now connected to hostMachineB, any commands you execute on the client will get executed on the hostMachineB

            }

​

            Console.ReadLine();

        }

    }

}