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Cloudstack images are simply using cloud-init. They are not headless as a user usually have access to a console. Otherwise, the difference with Openstack are mostly handled by cloud-init. This is still some minor issues. Notably, there is no non-root user. Other cloud images usually come with a user named after the distribution and with sudo. Would it make sense for NixOS? Cloudstack gives the user the ability to change the password. Cloud-init support for this is imperfect and the set-passwords module should be declared as `- [set-passwords, always]` for this to work. I don't know if there is an easy way to "patch" default cloud-init configuration. However, without a non-root user, this is of no use. Similarly, hostname is usually set through cloud-init using `set_hostname` and `update_hostname` modules. While the patch to declare nixos to cloud-init contains some code to set hostname, the previously mentioned modules are not enabled.
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 https://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-18.09 for the latest
release and nixos-unstable for the latest successful build of master:
% git remote update channels
% git rebase channels/nixos-18.09
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 18.09 release
- Tests for unstable/master
- Tests for 18.09 release
Communication:
Note: MIT license does not apply to the packages built by Nixpkgs, merely to the package descriptions (Nix expressions, build scripts, and so on). 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.