Ravi Sir's Cards › AWS
Launch templates
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Why do we need it?
Every new server must start the same way.
What is it?
A launch template stores AMI, type, SG and user data, with versions.
create-launch-template
How to do it
Change safely with create-launch-template-version.
--source-version 1
Example
Verify versions with describe-launch-template-versions.