Cleaning the nix store: Difference between revisions

Cleaning the nix store (view source)

592 bytes added , 24 April

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-Sometimes your store fills up the disk, but a simple `nix-store --gc` does not seem to clean all that much.
+Sometimes your store fills up the disk, but a simple
+<syntaxhighlight lang=text>nix-store --gc</syntaxhighlight>
+does not seem to clean all that much.
-This usually means that you have some garbage collection roots that keep old versions of nixpkgs around.
+This usually means that you have some old collection roots that keep old versions of nixpkgs around.
-There is multiple tools that can help with discovering these gc roots:
+Sometimes <code>result</code> files created by an ad-hoc <code>nix-build</code> bind a lot of resources, these can be found by running:
+<syntaxhighlight lang=shell>
+  nix-store --gc --print-roots | egrep -v "^(/nix/var|/run/\w+-system|\{memory|/proc)"
+</syntaxhighlight>
+Additional Resources about cleaning up the ''nix-store'':
+* https://matthewrhone.dev/nixos-package-guide#cleanup-old-packages-user-wide
+* [[Storage optimization]]
+* https://old.reddit.com/r/NixOS/comments/8m1n3d/taking_out_the_trash/
+There are multiple tools that can help with discovering ''gcroots'' and calculate the disk size:
 * https://github.com/symphorien/nix-du
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 * https://github.com/cdepillabout/nix-query-tree-viewer
 * https://github.com/craigmbooth/nix-visualize
+[[Category:nix]]