Ravi Sir's Cards › AWS
Groups in 4 steps
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?
Share access by team, not person.
What is it?
groupadd creates, id checks.
How to do it
Always -aG, never -G alone.
Example
Add to docker group.
sudo usermod -aG docker priya