i don’t know, these are (All above) requirements of accountant , not mine , as i dont know these things.
they use serial numbers in some paper works. i ask him to register here and tell details, may be i am missing something,
thank you for explanation.
also can you check my other thread?
i am not able to find any way to change port 8080 to default http port 80
please have a look on it Installation on ubuntu when you got time.