my $ssh = Net::OpenSSH->new($remote_host);
  my $command = 'remote privileged command';

  my $root_pw = 'IamNotTheRealPassword';
  my ($pty, $pid) = $ssh->open2pty({stderr_to_stdout => 1}, 'su', '-') or die "Can't open PTY: $!\n";

  my $expect = Expect->init($pty);
  $expect->expect(10,
                  [qr/assword/ => sub { shift->send("$root_pw"); }]
                  ) or die "Timed out\n";

  $expect->raw_pty(1);


  $expect->spawn($command) or die "Can't execute command $command: $!\n";
  $expect->expect(2);
  my $out = $expect->before();