getHostName

public static String getHostName()
    {
        String hostName = "";
        try
        {

            InputStream is = Runtime.getRuntime().exec("hostname").getInputStream();
            byte[] file = new byte[50];
            while (is.read(file) != -1)
            {
                hostName += (new String(file)).trim();
            }

        }
        catch (IOException e)
        {
        e.printStackTrace();
//             logger.error(e);
        }
        return hostName;
    }