Hi everyone,
sorry for keeping your waiting for my next post so long time. I was busy on Android OS investigation. But now I'm back.
Introduction
Do you know how to check is your server is still running and give your customers something? No. Then you should go to administrator room and ask technical stuff there.
I think after hearing the answer you will be a little disappointed. On market still does not exist simple and easy solution.
Microsoft suggest to use there servers that cost a lot; several vendors suggest to buy there services (InternetSeer for example), others simply waiting customer feedback and re-act on it.
I think this is not right. It's time to change those things. I have to feel my servers on fingers, and re-act faster then any customer catch the problem.
Concept
In our company we have several servers each one specially installed for particular task. For administrator is critical to check stability and availability of those servers. But administrator can not sit 24/7 and watching servers. So we need small automation here.
Several questions from the begging catch my attention:
1) if all servers in domain failed, how I can receive notification about that? What happens if internet channel become broken physically?
2) How I can detect that several services on server stop working properly?
3) Can I provide some "sugar" for solution?!
So I start thinking and designing. Phone call interrupt me for a minute, but also give me a nice idea: GSM Modem can become a backup channel that can notify me about server problems.
WOW! Its was very nice idea and easy to implement. 10 minutes and GSM modem was ordered over internet. My choice is: NOVACOM GNS-30 CRA. It cost a little, it done in industrial standard metal case, easy to mount, easy to program.
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