Today's achievement: Reliably backing up my #FreeBSD systems using full disk encryption onto a USB hard drive that's also using full disk encryption.
Making periodic #ZFS snapshots automatically: https://mwl.io/archives/2140
Sending those ZFS snapshots to the backup disk: https://www.ccammack.com/posts/back-up-zfs-to-a-removable-drive-using-zxfer/
I had to add "objsetid" to the list of -I exclusions in the zxfer command to work around a bug it has.
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This took entirely too long to write up, so many times longer than actually doing it, but here it is!
GELI Encrypted USB Backup in #FreeBSD 13: https://thornton2.com/unix/freebsd/geli-encrypted-usb-backup.html
What feeling is worse than spotting errors just a few hours after uploading? Not being able to fix them until the next day. Yeah. Fixed now in clearly marked edits.