I have an UBUNTU Instance that has no checks passed

Question

I have an instance in Ubuntu that has not passed the checks, I can't enter it and I don't know how to solve it, yesterday I believe it and it was working fine and the checks were passed, I installed apache Mysql, php and wordpress, but now I can't enter The instance id is: i-0bb02c87767742f44 , I don't understand the error that it indicates when checking the status of the Instance
 Instance accessibility check failed
Check failed on
2023/05/31 19:25 GMT-5 (about 15 hours)

Please your support, or what configuration would be missing... so that I don't have these spectacular falls, I was thinking of acquiring something paid, later but if so, it does not give me confidence

Kind regards
Alberto Rivera

Answer

Is the instance still running in AWS Console? And if it is, can you select the instance and look in the "Moinitoring" tab - is there anything that looks like a cause for concern in there, such as high CPU utilisation at around the time the instance became unavailable?

A much more extensive list of things to try is at https://repost.aws/knowledge-center/ec2-linux-status-check-failure although admittedly a lot of these troubleshooting steps need access to the host (which you don't have).

It may be that you have no option other than to stop & start the instance. If that's what you have to do then it would be worth [installing CloudWatch agent](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Install-CloudWatch-Agent.html) on it so you have more detailed information to work with if this recurs.

I have an UBUNTU Instance that has no checks passed

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