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Simple Bash Automation for EC2 Instance Backups using Cron on a Mac Mini
The problem that needed to be solved was to have a simple backup system that could be used to maintain a bunch of EBS backed Windows instances on AWS. We wanted to keep a weeks worth of backups, always discarding the older AMI’s. A local mac mini was used to run the necessary scripts and cron. We didn’t want just EBS snapshots, we wanted a full AMI everyday. There are other solutions if you just want to backup an EBS drive on a schedule, and even for this but this one suits our needs.
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Simple Postgresql Cron Backup
Here is a very simple method to backup your postgresql DB using a cron job and the pg_dump command. The main problem people encounter when trying to automate the pg_dump command is the password input. Now you could easily create a local user with no password, but why would you want to do that.