Ravi Sir's Cards › AWS
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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?
Top IPs.
awk '{print $1}' log | sort | uniq -c | sort -rn
What is it?
Column sum.
awk -F, '{s+=$3}END{print s}'
How to do it
Replace in file.
sed -i 's/a/b/g' f
Example
Old files.
find . -mtime +7