NixOS describes system configuration declaratively and builds versioned generations through the Nix package manager. Packages live in isolated store paths, activation is transactional, and a machine can boot an earlier generation after a problematic change. The same configuration is a strong basis for repeatable systems, but it is not by itself proof of bit-for-bit reproducibility: inputs must be pinned, builders must avoid nondeterminism, and mutable application data still needs separate backup and migration controls. Nixpkgs offers stable and fast-moving channels, with a large package set and an ecosystem that rewards learning its language and module model. An OpenFactory browser VM is a disposable place to inspect that model; it does not validate every target machine or external input.
Select a version of NixOS to try online:
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Need NixOS for more than a quick browser preview?
The buttons above launch an ephemeral browser VM, perfect for kicking the tires. Paid plans unlock the things you'd actually use it for:
- ✓Persistent VMs you can SSH into and customize
- ✓Snapshots, your own packages, a downloadable ISO
- ✓Fleet deployment to your own machines (on-prem or cloud)