Ravi Sir's Cards › AWS
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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?
Know exactly what changed.
What is it?
diff lines, comm lists, cmp bytes.
How to do it
-u shows a readable patch.
Example
Review a config change.
diff -u app.conf.bak app.conf