Ravi Sir's Cards › AWS
NAT and clean up
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?
Private servers need updates but no inbound internet.
What is it?
NAT gateway in a public subnet with an Elastic IP.
create-nat-gateway
How to do it
Private route 0.0.0.0/0 → NAT. Wait nat-gateway-available.
Example
Delete in reverse: NAT, EIP, SG, routes, IGW, subnets, VPC.