Ravi Sir's Cards › AWS
What does --dry-run do on EC2?
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
What it is
It checks permissions without making the change.
Why it matters
Success shows DryRunOperation; no rights shows UnauthorizedOperation.
--dry-run
How / example
Use before run-instances or terminate in scripts.