How to troubleshoot CloudFormation template - CRBS/cdeep3m GitHub Wiki

Location of logs

CloudFormation generates the following log file: /var/log/cloud-init-output.log

This file be examined to troubleshoot launch issues. NOTE: A quick way to find start of output of UserData script is to look for first line with ::::

Location of script generated from UserData

The actual script run appears to be this file: /var/lib/cloud/instance/scripts/part-001