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sg and newgrp only changes the current user session and should be available to users even if the "users.mutableUsers" option is set. These are common, useful commands. chfn does modify the /etc/passwd GECOS field which is also controlled by the option "users.users.<name?>.description", so it's less appropriate to make it available when "users.mutableUsers" is set. However, because CHFN_RESTRICT in login.defs is never set in current NixOS the chfn functionality is never available to users anyway and may as well have its SUID disabled, as only root is able to use it. This is recommended in the chfn man page in this case.
Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the Hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:
% git remote add channels git://github.com/NixOS/nixpkgs-channels.git
For stability and maximum binary package support, it is recommended to maintain
custom changes on top of one of the channels, e.g. nixos-17.09 for the latest
release and nixos-unstable for the latest successful build of master:
% git remote update channels
% git rebase channels/nixos-17.09
For pull-requests, please rebase onto nixpkgs master.
NixOS Linux distribution source code is located inside
nixos/ folder.
- NixOS installation instructions
- Documentation (Nix Expression Language chapter)
- Manual (How to write packages for Nix)
- Manual (NixOS)
- Community maintained wiki
- Continuous package builds for unstable/master
- Continuous package builds for 17.09 release
- Tests for unstable/master
- Tests for 17.09 release
Communication: