code: private String appendMoreLogsLink(final String fileName, String url) throws IOException {
          FileBackedStringBuffer buffer = new FileBackedStringBuffer();
          int index = retrieveIndexValueFromFileName(fileName);
          index++;
          File logFileName = retrieveFileFromLogsFolder(Integer.toString(index));
          if (logFileName == null) {
              return "";
          }
  
          // TODO put this html code in a template
          buffer.append("<form name ='myform' action=").append(url).append(" method= 'post'>");
          buffer.append("<input type='hidden'").append(" name ='fileName'").append(" value ='")
                  .append(logFileName.getName()).append("'>");
          buffer.append("<a href= 'javascript: submitform();' > More Logs </a>");
          buffer.append("</form>");
          return buffer.toString();
      }
docs: This method helps to display More log information of the node machine.
  
  @param fileName
  It is log file name available in node machine current directory Logs folder, it is used to identify
  the current file to display in the web page.
  @param url
  It is node machine url (ex: http://10.232.88.10:5555)
  @return String vlaue to add Form in html page
  @throws IOException