AI and crypto would be fine if we didn’t have to put up with capitalism.

Proxmox so I can run a bunch of other distros.

My first thought is your mirror died.

I’d start there move on to gpg keys after checking that.

If that all still looks good, I’d probably still change the mirror for testing purposes.

My regular computer is ext4.

I assume my raspberry pi is ext4, but I’ve never checked what DietPi runs as default. It works fine.

My 720xd is ext4 on the OS drives, but the storage drives are ZFS with dual parity.