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

Steve_M · 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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