EC2 instance failing status check

Question

I have an Ubuntu 22.04 instance which runs perfectly fine until two days ago, when it failed one of the status checks. At first I thought it was just some temporary error so I just rebooted the instance and restarted my server. But today it failed the status check again.
I checked the system log but there was only log for when I rebooted the instance (some internet configuration log). How can I get a full system log?

Answer

Is the instance status check or the system status check failing?  
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring-system-instance-status-check.html

The general troubleshooting procedure is as described in the following document.  
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/TroubleshootingInstances.html

Also, try stopping and starting instances instead of restarting them.

The system log can also be viewed in the following ways.  
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/TroubleshootingInstances.html#troubleshooting-retrieve-system-logs

EC2 instance failing status check

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