java利用程序远程登录linux并履行其命令

package hh;

    import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader;

    import ch.ethz.ssh2.Connection; import ch.ethz.ssh2.Session; import ch.ethz.ssh2.StreamGobbler;

    public class Basic

    {

    public static void main(String[] args)

    {

    String hostname = "222.177.211.9";

    String username = "boss";

    String password = "";

    try

    {

    /* Create a connection instance */

    Connection conn = new Connection(hostname);

    /* Now connect */

    conn.connect();

    /* Authenticate */

    boolean isAuthenticated = conn.authenticateWithPassword(username, password);

    if (isAuthenticated == false)

    throw new IOException("Authentication failed.");

    /* Create a session */

    Session sess = conn.openSession();

    //sess.execCommand("uname -a && date && uptime && who");

    sess.execCommand("ps aux ");

    System.out.println("Here is some information about the remote host:");

    InputStream stdout = new StreamGobbler(sess.getStdout());

    BufferedReader br = new BufferedReader(new InputStreamReader(stdout));

    while (true)

    {

    String line = br.readLine();

    if (line == null)

    break;

    System.out.println(line);

    }

    /* Show exit status, if available (otherwise "null") */

    System.out.println("ExitCode: " + sess.getExitStatus());

    /* Close this session */

    sess.close();

    /* Close the connection */

    conn.close();

    }

    catch (IOException e)

    {

    e.printStackTrace(System.err); System.exit(2);

    }

    }

    }