Binary Cache: Difference between revisions

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A binary cache builds Nix packages and caches the result for other machines. Any machine with Nix installed can be a binary cache for another one, no matter the operating system.

~~If you are facing problems with derivations not being in a cache, try switching to a release version. Most caches will have many derivations for a specific release.~~

== Setting up a binary cache ==

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To configure Nix to use a certain binary cache, refer to the Nix manual.<ref group="cf.">[https://nixos.org/nix/manual/#ch-files Nix Manual, 21. Files]</ref> Add the binary cache as substituter (see the option {{ic|substituters}}) and the public key to the trusted keys (see {{ic|trusted-public-keys}}).

{{Warning|When adding a third-party binary cache you now trust all packages being served from that cache. Make sure this is a conscious decision. Trusting arbitrary caches can open you up to suppply chain attacks.

For more context: https://discourse.nixos.org/t/garnix-blog-stop-trusting-nix-caches/70177 (if source unavailable, https://web.archive.org/web/20251001172145/https://garnix.io/blog/stop-trusting-nix-caches)}}{{tip|If you are facing problems with derivations not being in a cache, try switching to a release version. Most caches will have many derivations for a specific release.}}

Permanent use of binary cache:

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 A binary cache builds Nix packages and caches the result for other machines. Any machine with Nix installed can be a binary cache for another one, no matter the operating system.
-If you are facing problems with derivations not being in a cache, try switching to a release version. Most caches will have many derivations for a specific release.
 == Setting up a binary cache ==
@@ Line 115: / Line 113: @@
 To configure Nix to use a certain binary cache, refer to the Nix manual.<ref group="cf.">[https://nixos.org/nix/manual/#ch-files Nix Manual, 21. Files]</ref> Add the binary cache as substituter (see the option {{ic|substituters}}) and the public key to the trusted keys (see {{ic|trusted-public-keys}}).
+{{Warning|When adding a third-party binary cache you now trust all packages being served from that cache. Make sure this is a conscious decision. Trusting arbitrary caches can open you up to suppply chain attacks.
+For more context: https://discourse.nixos.org/t/garnix-blog-stop-trusting-nix-caches/70177 (if source unavailable, https://web.archive.org/web/20251001172145/https://garnix.io/blog/stop-trusting-nix-caches)}}{{tip|If you are facing problems with derivations not being in a cache, try switching to a release version. Most caches will have many derivations for a specific release.}}
 Permanent use of binary cache: