Ravi Sir's Cards › AWS
First 5 minutes of an incident
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?
Right server?
hostname
What is it?
Network up?
ip -br a
How to do it
What failed?
journalctl -p err -b
Example
Who holds the port?
lsof -i :8080