Ravi Sir's Cards › AWS
cron vs systemd timer
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
Schedule
cron
One line per job.
systemd timer
Two unit files.
Key points
Missed runs lost.
Persistent, logs, limits.
Example
crontab -e
Use when
Simple jobs.
Important jobs.