Yureka 80109f6539 nixos: Set mmap ASLR entropy to a safe default on AArch64
The eval-time access to kernel config is not enabled for any nixpkgs-packaged
kernels by default since it requires IFD and so all kernels (including
nixos-apple-silicon and rpi kernel) will end up with the max of 33, which will
lead to the systemd-sysctl service failing. Additionally, there are factors
other than the pagesize which can cause 33 to be an invalid argument.
2026-04-26 13:28:42 +02:00
2026-04-26 05:53:38 +00:00
2026-04-26 06:40:36 +00:00
2026-02-12 21:35:08 +00:00
2026-01-07 14:31:39 +02:00
2026-01-13 14:45:11 -05:00

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Nixpkgs is a collection of over 120,000 software packages that can be installed with the Nix package manager. It also implements NixOS, a purely-functional Linux distribution.

Manuals

  • NixOS Manual - how to install, configure, and maintain a purely-functional Linux distribution
  • Nixpkgs Manual - contributing to Nixpkgs and using programming-language-specific Nix expressions
  • Nix Package Manager Manual - how to write Nix expressions (programs), and how to use Nix command line tools

Community

Other Project Repositories

The sources of all official Nix-related projects are in the NixOS organization on GitHub. Here are some of the main ones:

Continuous Integration and Distribution

Nixpkgs and NixOS are built and tested by our continuous integration system, Hydra.

Artifacts successfully built with Hydra are published to cache at https://cache.nixos.org/. When successful build and test criteria are met, the Nixpkgs expressions are distributed via Nix channels.

Contributing

Nixpkgs is among the most active projects on GitHub. While thousands of open issues and pull requests might seem like a lot at first, it helps to consider it in the context of the scope of the project. Nixpkgs describes how to build tens of thousands of pieces of software and implements a Linux distribution. The GitHub Insights page gives a sense of the project activity.

Community contributions are always welcome through GitHub Issues and Pull Requests.

For more information about contributing to the project, please visit the contributing page.

Donations

The infrastructure for NixOS and related projects is maintained by a nonprofit organization, the NixOS Foundation. To ensure the continuity and expansion of the NixOS infrastructure, we are looking for donations to our organization.

You can donate to the NixOS Foundation through SEPA bank transfers or by using Open Collective:

License

Nixpkgs is licensed under the MIT License.

Note

MIT license does not apply to the packages built by Nixpkgs, merely to the files in this repository (the Nix expressions, build scripts, NixOS modules, etc.). It also might not apply to patches included in Nixpkgs, which may be derivative works of the packages to which they apply. The aforementioned artifacts are all covered by the licenses of the respective packages.

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