NixOS is an independently developed GNU/Linux distribution that aims to improve the state of the art in system configuration management. In NixOS, the entire operating system, including the kernel, applications, system packages and configuration files, are built by the Nix package manager.
The project’s latest release is NixOS 21.11 which includes the following highlights: “The default Nix version remains at 2.3.16. Nix has not been updated to version 2.4 due to regressions in non-experimental behavior. To upgrade to 2.4, use the nixos-unstable branch or set the nix.package option to either of nixFlakes or nix_2_4 packages. The nixUnstable attribute is a pre-release of Nix 2.5. Read the release notes for more information on upcoming changes. Please help us improve Nix by providing any breakage reports. iptables now uses nf_tables backend. PHP now defaults to PHP 8.0, updated from 7.4. kops now defaults to 1.21.1, which uses containerd as the default runtime. python3 now defaults to Python 3.9, updated from Python 3.8. PostgreSQL now defaults to major version 13.” Further information is available through the project’sand in the .
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