• mvirts@lemmy.world
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      9 months ago

      I think ultimately

      Sudo nix-collect-garbage --delete-old

      Is my go-to command. For a while I was looking at generations manually, but now I just wait a while (days, a few reboots, or until I need more space) to run this after changing things in case the new stuff is broken.

      I think running this as my normal user cleans out old env generations… But I’m not 100% sure.