private int runShellCmd(String shellFunc) throws Exception {
   String script =
       jointShellCmd(
           task.getDomain(),
           task.getKernelVersion(),
           config.getContainerType().toString(),
           shellFunc);
   int exitCode = scriptExecutor.exec(script, logOut, logOut);
   return exitCode;
 }
 @Override
 public void kill() {
   scriptExecutor.kill();
 }