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nix-collect-garbage — Delete unused and unreachable nix store paths. Generations can be listed using `nix-env --list-gener

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Problem

How to use the nix-collect-garbage command: Delete unused and unreachable nix store paths. Generations can be listed using nix-env --list-generations. More information: <https://nix.dev/manual/nix/stable/command-ref/nix-collect-garbage.html>.

Solution

nix-collect-garbage — Delete unused and unreachable nix store paths. Generations can be listed using nix-env --list-generations. More information: <https://nix.dev/manual/nix/stable/command-ref/nix-collect-garbage.html>.

Delete all user related store paths unused by current generations of each profile:
nix-collect-garbage {{[-d|--delete-old]}}


Simulate the deletion of old store paths:
nix-collect-garbage {{[-d|--delete-old]}} --dry-run


Delete all store paths older than 30 days:
nix-collect-garbage --delete-older-than 30d


Delete all store paths unused by the current generation of each profile system-wide:
sudo nix-collect-garbage {{[-d|--delete-old]}}

Code Snippets

Delete all user related store paths unused by current generations of each profile

nix-collect-garbage {{[-d|--delete-old]}}

Simulate the deletion of old store paths

nix-collect-garbage {{[-d|--delete-old]}} --dry-run

Delete all store paths older than 30 days

nix-collect-garbage --delete-older-than 30d

Delete all store paths unused by the current generation of each profile system-wide

sudo nix-collect-garbage {{[-d|--delete-old]}}

Context

tldr-pages: common/nix-collect-garbage

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