Ravi Sir's Cards › AWS
Is sed -i safe in prod?
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 overwrites the file.
Why it matters
Test without -i, keep .bak.
How / example
Edit with backup.
sed -i.bak 's/a/b/' app.conf