Why does my EC2 instance need to be restarted frequently?

I am using free tier of EC2. All is OK except restarting it from time to time.

I checked the instance status and monitoring, no abnormal situation was found, but I could not connect to it by SSH. and the service running on EC2 was also unavailable. All is OK after I stop/restart my EC2 instance.

What is the reason? How can I fix it?

Thanks.

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Amazon EC2

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Post-User-7527369

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I have seen this several times with Linux machines. Usually its due to lack of memory. You may need to increase the instance type to prevent this from re-occuring.

EXPERTE

Gary Mclean

beantwortet vor einem Jahr

Post-User-7527369
vor einem Jahr
Thanks for your reply. I also think so. But I hope I can confirm it. Where can I check the log information?
Steve_M EXPERTE
vor einem Jahr
Select the instance in AWS Console and look in the Monitoring tab. In particular how is CPU utilisation looking?

There are other metrics (such as memory) that aren't displayed, you'll need to setup CloudWatch agent to collect these https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Install-CloudWatch-Agent.html

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