Automating Server Backups With Borgmatic

In this episode, Lucas and Luna dive into the practical world of server backups using Borgmatic, a wrapper for the Borg backup tool. They walk through a real disaster scenario where a rogue script deleted a week's worth of customer transactions on a staging server, and how a Borgmatic backup saved the day. The discussion covers the key advantages of deduplication, encryption, and incremental backups, along with a concrete setup example using a crontab. Lucas explains how Borg's chunking algorithm reduces storage by 80 percent compared to traditional tar files, and why append-only mode protects against ransomware. The hosts also touch on common pitfalls like forgetting to test restores and the importance of off-site storage. By the end, listeners will have a clear, actionable template for automating their own nightly backups with Borgmatic, including a sample configuration file for a small web application database.

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