Ravi Sir's Cards › AWS
View files fast
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?
Read files without opening an editor.
What is it?
cat small, less big, head/tail ends.
How to do it
Number lines or show hidden chars.
cat -n app.conf
Example
Read the last 20 log lines.
tail -n 20 app.log