https://maple.sanriodevgroup.org/ Copy-paste recipes for backups that can actually be restored. en Wed, 06 Mar 2024 12:00:00 +0000 https://maple.sanriodevgroup.org/notes/checksums-first/https://maple.sanriodevgroup.org/notes/checksums-first/Wed, 06 Mar 2024 21:00:00 +0000Write the checksum file next to the archive at creation time. Verifying later against a fresh checksum proves nothing about corruption that happened before. https://maple.sanriodevgroup.org/recipes/rsync-mirror-with-deletions/https://maple.sanriodevgroup.org/recipes/rsync-mirror-with-deletions/Wed, 14 Feb 2024 22:00:00 +0000A mirror that follows deletions, with a dry run first. https://maple.sanriodevgroup.org/recipes/verifying-a-restore/https://maple.sanriodevgroup.org/recipes/verifying-a-restore/Mon, 22 Jan 2024 21:00:00 +0000A backup is only finished when a restore has been tried. https://maple.sanriodevgroup.org/recipes/rotating-tarball-archives/https://maple.sanriodevgroup.org/recipes/rotating-tarball-archives/Mon, 01 Jan 2024 20:00:00 +0000Daily archives kept for a week, weeklies for two months. https://maple.sanriodevgroup.org/recipes/encrypting-an-offsite-copy/https://maple.sanriodevgroup.org/recipes/encrypting-an-offsite-copy/Tue, 28 Nov 2023 21:00:00 +0000Encrypt before the copy leaves the machine. https://maple.sanriodevgroup.org/notes/timeouts-and-budgets/https://maple.sanriodevgroup.org/notes/timeouts-and-budgets/Mon, 16 Oct 2023 19:00:00 +0000A copy that runs overnight needs a deadline of its own. Give the job a wall-clock limit, make it log how far it got, and let the next run resume instead of starting over.