NixOS virtual machines on macOS: Difference between revisions

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NixOS is based on Linux, but a lot of developers are using MacBooks. The [https://github.com/LnL7/nix-darwin nix-darwin] project aims to bring the convenience of a declarative system approach to macOS and it is built around Nixpkgs (much like NixOS). After installing Nix, ~~<nowiki>~~<code>nix-darwin</code~~></nowiki~~> will help us with the following goals:

NixOS is based on Linux, but a lot of developers are using MacBooks. The [https://github.com/LnL7/nix-darwin nix-darwin] project aims to bring the convenience of a declarative system approach to macOS and it is built around Nixpkgs (much like NixOS). After installing Nix, <code>nix-darwin</code> will help us with the following goals:

# Build a complete NixOS (Linux) system.

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that the Linux builder is actually such a virtual machine.

Point 4 is similar to point 3, but since the tests are ~~_built_~~ using virtual

Point 4 is similar to point 3, but since the tests are '''built''' using virtual

machines, it means that these virtual machines are running inside the Linux

builder. This is not a problem if our environment supports nested

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Note: Notice how further configuring the Linux builder uses the running Linux

builder to build the new one.

== <code>linux-builder</code>, with <code>x86_64-linux</code> emulation ==

Building upon previous example, the remote builder can be enhanced to build x86_64 packages without creating a second VM or builder<ref>https://github.com/nix-darwin/nix-darwin/issues/1192#issuecomment-2619629531</ref>:<syntaxhighlight lang="nix">

nix.linux-builder = {

# ...

systems = [ "x86_64-linux" "aarch64-linux" ];

config.boot.binfmt.emulatedSystems = [ "x86_64-linux" ];

};

</syntaxhighlight>

== <code>direnv</code> ==

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The original machine had also Screen Sharing enabled.

== ~~References~~ ==

== Further reading ==

* "Build and Deploy Linux Systems from macOS~~" on the~~ [https://nixcademy.com/posts/~~macos~~-~~linux~~-~~builder~~/ Nixcademy ~~Blog].~~

* [https://nixcademy.com/posts/macos-linux-builder/ Build and Deploy Linux Systems from macOS], Nixcademy

* [https://nixcademy.com/posts/running-nixos-integration-tests-on-macos/ Run NixOS Integration Tests on macOS], Nixcademy

[[Category:macOS]]

[[Category:nix-darwin]]

[[Category:Tutorial]]

@@ Line 1: / Line 1: @@
-NixOS is based on Linux, but a lot of developers are using MacBooks. The [https://github.com/LnL7/nix-darwin nix-darwin] project aims to bring the convenience of a declarative system approach to macOS and it is built around Nixpkgs (much like NixOS). After installing Nix, <nowiki><code>nix-darwin</code></nowiki> will help us with the following goals:
+NixOS is based on Linux, but a lot of developers are using MacBooks. The [https://github.com/LnL7/nix-darwin nix-darwin] project aims to bring the convenience of a declarative system approach to macOS and it is built around Nixpkgs (much like NixOS). After installing Nix, <code>nix-darwin</code> will help us with the following goals:
 # Build a complete NixOS (Linux) system.
@@ Line 22: / Line 22: @@
 that the Linux builder is actually such a virtual machine.
-Point 4 is similar to point 3, but since the tests are _built_ using virtual
+Point 4 is similar to point 3, but since the tests are '''built''' using virtual
 machines, it means that these virtual machines are running inside the Linux
 builder. This is not a problem if our environment supports nested
@@ Line 208: / Line 208: @@
 Note: Notice how further configuring the Linux builder uses the running Linux
 builder to build the new one.
+== <code>linux-builder</code>, with <code>x86_64-linux</code> emulation ==
+Building upon previous example, the remote builder can be enhanced to build x86_64 packages without creating a second VM or builder<ref>https://github.com/nix-darwin/nix-darwin/issues/1192#issuecomment-2619629531</ref>:<syntaxhighlight lang="nix">
+nix.linux-builder = {
+  # ...
+  systems = [ "x86_64-linux" "aarch64-linux" ];
+  config.boot.binfmt.emulatedSystems = [ "x86_64-linux" ];
+};
+</syntaxhighlight>
 == <code>direnv</code> ==
@@ Line 287: / Line 296: @@
 The original machine had also Screen Sharing enabled.
-== References ==
+== Further reading ==
-* "Build and Deploy Linux Systems from macOS" on the [https://nixcademy.com/posts/macos-linux-builder/ Nixcademy Blog].
+* [https://nixcademy.com/posts/macos-linux-builder/ Build and Deploy Linux Systems from macOS], Nixcademy
+* [https://nixcademy.com/posts/running-nixos-integration-tests-on-macos/ Run NixOS Integration Tests on macOS], Nixcademy
 [[Category:macOS]]
 [[Category:nix-darwin]]
 [[Category:Tutorial]]