1# Configuration {#ch-configuration} 2 3This chapter describes how to configure various aspects of a NixOS machine through the configuration file {file}`/etc/nixos/configuration.nix`. As described in [](#sec-changing-config), changes to this file only take effect after you run {command}`nixos-rebuild`. 4 5```{=include=} chapters 6config-syntax.chapter.md 7package-mgmt.chapter.md 8user-mgmt.chapter.md 9file-systems.chapter.md 10x-windows.chapter.md 11wayland.chapter.md 12gpu-accel.chapter.md 13xfce.chapter.md 14networking.chapter.md 15linux-kernel.chapter.md 16subversion.chapter.md 17``` 18 19```{=include=} chapters 20@MODULE_CHAPTERS@ 21``` 22 23```{=include=} chapters 24profiles.chapter.md 25kubernetes.chapter.md 26``` 27<!-- Apache; libvirtd virtualisation -->