Ravi Sir's Cards › AWS
sudo safely
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
Read card text
What this card says
Why do we need it?
Admin work without the root password.
What is it?
sudo -l shows what you may run.
How to do it
Edit rules only with visudo.
Example
Check all files before logout.
sudo visudo -c