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Periodically the ssh connection with amazon linux gets stuck and I can not connect anymore. Having to restart the instance ec2 for the connection to return to normal. This is not an idle connection. After dropping the connection I can not connect again without the instance being restarted.

ssh -vvv

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date after connection closed
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    You say the connection is 'not idle' i.e. you're doing something on it - what are you doing when it disconnects. Run ssh with -v (more -vvvv's can make it more verbose) to see what's happening and update the question with logs.
    – djsmiley2kStaysInside
    Jul 27, 2018 at 12:08
  • Regardless of whether the connection falls by idle or by my manual disconnection. For a while I can reconnect normally until suddenly I can not anymore. When I restart the instance the connection returns to normal.
    – Marcel Bezerra
    Jul 27, 2018 at 14:29
  • same problem. Is there a log somewhere I can read? Last htop shows memory 900MB/2GB and cpu usage around 2% when it dropped, but aws ec2 monitoring shows 45% cpu utilization, huh
    – Diego
    Mar 21 at 18:04

1 Answer 1

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Check out your CPU and Memory usage in the server by using Free -g command and top command. If you are running any application that takes more space and CPU power then you need to take some high configured instance type from AWS.

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  • Perhaps the problem is even related to the hardware size and limits of the instance. But I have already increased the instance and the problem continues to occur.
    – Marcel Bezerra
    Aug 1, 2018 at 19:58

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