AWS - Auto Scaling
A launch template version includes a user data script, but the script does not run on instance launch. What is a possible reason?
A launch template version includes a user data script, but the script does not run on instance launch. What is a possible reason?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Recall user data requirements
User data scripts must be base64 encoded to run properly on instance launch.Step 2: Analyze options
The user data script was not base64 encoded correctly identifies a common cause; other options are incorrect because user data is supported and instance types do not block it.Final Answer:
The user data script was not base64 encoded -> Option BQuick Check:
User data must be base64 encoded = B [OK]
Quick Trick: Always base64 encode user data scripts in launch templates [OK]
Common Mistakes:
- Thinking instance type blocks user data
- Assuming launch template version status affects user data
- Believing user data unsupported in launch templates
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