On Feb 15, 2009, at 7:59 PM, Fajar Priyanto wrote: > Currently, there's no personnel to monitor it 24 hours a day. > I'm thinking of using a tool to monitor the temperature, and then send > sms/email when it reaches certain threshold. > Anyone has an idea? Could be software based or hardware one. Common need, lots of answers: http://ww.itwatchdogs.com/ is one we use.