Ravi Sir's Cards › AWS
journalctl filters
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?
Find the error fast.
What is it?
-u unit, -f follow.
How to do it
-p err, --since, -b.
Example
Errors of one service today.
journalctl -u nginx -p err --since today