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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}}

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