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It used to work but now it won't respond.

ssh -i aws-niklas140428.pem [email protected]

It does respond via HTTP though and I can restart it in the webGUI at aws.amazon.com

How can I find the cause for the inconvenience? It does not answer via ping either. What is wrong?

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1 Answer 1

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Possibly an IP address of your EC2 instance has changed, since you have restarted it.

Check in Amazon EC2 console for new IP address.

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    That, or his local IP changed and is no longer allowed to SSH per the security groups.
    – ceejayoz
    Jan 26, 2015 at 14:05
  • The server ip is 54.72.176.8 that responds via HTTP but I can't ping it. I can open a browser and browse my http server. I can neither ping nor ssh to the server. I never saw anything like this before.
    – Niklas Rosencrantz
    Jan 26, 2015 at 16:28
  • Can you SSH using Java client from EC2 console?
    – Martin Prikryl
    Jan 26, 2015 at 18:04
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    @NiklasRosencrantz EC2's security groups block ping traffic by default.
    – ceejayoz
    Jan 27, 2015 at 14:24
  • Thanks, it was just a DNS/routing issue and when I now changed ISP then it's all good and connects.
    – Niklas Rosencrantz
    Jan 27, 2015 at 16:47

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