public void run (String command) {
        String hostname = "130.237.177.213";
        String username = "pi";
        String password = "raspberry";
        try
        {
            StrictMode.ThreadPolicy policy = new
                    StrictMode.ThreadPolicy.Builder()
                    .permitAll().build();
            StrictMode.setThreadPolicy(policy);

            Connection conn = new Connection(hostname); //init connection
            conn.connect(); //start connection to the hostname
            boolean isAuthenticated =
                    conn.authenticateWithPassword(username, password);
            if (isAuthenticated == false)
                throw new IOException("Authentication failed.");
            Session sess = conn.openSession();
            sess.execCommand(command);
            InputStream stdout = new StreamGobbler(sess.getStdout());
            BufferedReader br = new BufferedReader(new
                    InputStreamReader(stdout)); //reads text
            while (true)
            { String line = br.readLine(); // read line
                if (line == null)
                    break;
                System.out.println(line); }
            /* Show exit status, if available (otherwise "null") */
            System.out.println("ExitCode: " + sess.getExitStatus());
            sess.close(); // Close this session
            conn.close();
        }
        catch (IOException e)
        { e.printStackTrace(System.err);
            System.exit(2); }
    }