Could not retrieve mirrorlist http://amazonlinux.default.amazonaws.com/2/co

Question

I can not cloudform a usable ec2 instance in us-east-1b.  The console log shows this:  
  
```  
\[  117.581749] cloud-init\[3206]: Cannot find a valid baseurl for repo: amzn2-core/2/x86_64  
\[  117.585263] cloud-init\[3206]: Could not retrieve mirrorlist http://amazonlinux.default.amazonaws.com/2/core/latest/x86_64/mirror.list error was  
\[  117.590381] cloud-init\[3206]: 12: Timeout on http://amazonlinux.default.amazonaws.com/2/core/latest/x86_64/mirror.list: (28, 'Connection timed out after 5000 milliseconds')  
```  
  
I've retried a few time (a dozen?), over the last few hours.  Here's the most recent instance id: i-079e1e18a88555d37, the single instance in this cloud formation arn:aws:cloudformation:us-east-1:566653950698:stack/DevelAxe0/01a331b0-9134-11e9-bbf1-0e17762a99e0  
  
Please advise.

AWS-User-0019101 · Answer

Hello,  
This timeout error can happen when an instance runs in a private VPC with no Internet access, as the repositories are hosted on S3.  
To access the repositories from the instance you can setup an Internet Gateway in your VPC or configure a VPC endpoint to access the repositories:   
  
Thanks,  
Paul

Could not retrieve mirrorlist http://amazonlinux.default.amazonaws.com/2/co

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