tldr/pages/common/nix-collect-garbage.md
2019-06-04 16:29:40 -03:00

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# nix-collect-garbage
> Delete unused and unreachable nix store paths.
> Generations can be listed using `nix-env --list-generations`.
> More information: <https://nixos.org/releases/nix/latest/manual/#sec-nix-collect-garbage>.
- Delete all store paths unused by current generations of each profile:
`sudo nix-collect-garbage --delete-old`
- Simulate the deletion of old store paths:
`sudo nix-collect-garbage --delete-old --dry-run`
- Delete all store paths older than 30 days:
`sudo nix-collect-garbage --delete-older-than {{30d}}`