Your answer could potentially help me un-fuck my website!
Edit: The total capacity is currently 160 GB, so no amount of pruning will free up 1 TB. I need to mount an external share or something.
Edit2: I'm trying this but the command isn't working despite zero exit status.
Depends on if you can free up enough space on
/to install any packages you may need for the filesystem drivers. I've never had to do it either way; if you have a local rig that you can test with, that might be a start.