nixos-rebuild

Build and activate a NixOS system configuration.

NixOS

Last updated: 2026-07-06 Report error

Syntax

$nixos-rebuild [OPTIONS] ACTION

Examples

$nixos-rebuild switch

Examples

$nixos-rebuild boot

Examples

$nixos-rebuild test

Examples

$nixos-rebuild rollback

Distro comparison

System-wide package and repository updates.

Typical use cases

Apply config

sudo nixos-rebuild switch

Test without making boot default

sudo nixos-rebuild test

Build only

nixos-rebuild build

Note Only available on NixOS. For system configuration updates.

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