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Amazon Linux AMI

Fixing Amazon EC2 Connection Failure With Error "Caught exception reading instance data: http://169.254.169.254/2009-04-04/meta-data/security-groups"

Amazon offers some excellent cloud computing services, but being self-managed at the basic level it can be a headache to diagnose and fix errors. I recently encountered a similar error where all my attempts to login into the EC2 instance failed with cloud-init: runcmd Caught exception reading instance data: http://169.254.169.254/2009-04-04/meta-data/security-groups as shown in the Amazon EC2 instance console system log below.

Amazon EC2 Console With Error
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