Migrating to Restic for offsite backups.
20221229: UPDATE: Added what to do when you change your Backblaze application key.
20201023: UPDATE: Added command to clean the local backup cache.
20200426: UPDATE: Fixed the "pruned oldest snapshots" command.
A couple of years back I did a how-to about using a data backup utility called Duplicity to make offsite backups of Leandra to Backblaze B2. (referer link) It worked just fine; it was stable, it was easy to script, you knew what it was doing. But over time it started to show its warts, as everything does. For starters, it was unusually slow when compared to the implementation …
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