Ravi Sir's Cards › AWS
trap cleanup
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?
Make a temp folder.
tmp=$(mktemp -d)
What is it?
Clean on any exit.
trap 'rm -rf "$tmp"' EXIT
How to do it
Catch Ctrl+C.
trap 'exit 130' INT
Example
Report errors.
trap 'echo line $LINENO' ERR