private String connectHost() {
final SSHGui sshGui = new SSHGui(getDialogPanel(), getHost(), getProgressBar());
getHost().connect(sshGui, getProgressBar(),
new ConnectionCallback() {
@Override
public void done(final int flag) {
/* flag 0 now connected
* flag 1 already connected. */
LOG.debug1("done: callback done flag: " + flag);