public static void main(String[] args) throws IOException {
    ConnectionOptions options = new ConnectionOptions();
    options.set(ADDRESS, "unix-box");
    options.set(USERNAME, "demo");
    options.set(PASSWORD, "secret");
    options.set(OPERATING_SYSTEM, UNIX);
    options.set(CONNECTION_TYPE, SFTP);
    OverthereConnection connection = Overthere.getConnection("ssh", options);
    try {
      connection.execute(CmdLine.build("cp", "-r", "/var/log/apt", "/tmp/logs1"));
      OverthereFile logs1 = connection.getFile("/tmp/logs1");
      OverthereFile logs2 = connection.getFile("/tmp/logs2");
      logs2.delete();

      System.err.println("Exists #1: " + logs1.exists());
      System.err.println("Exists #2: " + logs2.exists());

      logs1.renameTo(logs2);
      System.err.println("Exists #1: " + logs1.exists());
      System.err.println("Exists #2: " + logs2.exists());

      logs2.copyTo(logs1);
      System.err.println("Exists #1: " + logs1.exists());
      System.err.println("Exists #2: " + logs2.exists());

      logs1.deleteRecursively();
      logs2.deleteRecursively();
      System.err.println("Exists #1: " + logs1.exists());
      System.err.println("Exists #2: " + logs2.exists());
    } finally {
      connection.close();
    }
  }
 @Override
 public void close() throws IOException {
   connection.close();
   connection = null;
   provider.cache.remove(uri);
 }