Talk:NixOS Containers: Difference between revisions

(5 intermediate revisions by 3 users not shown)

Line 2:

* https://www.thedroneely.com/posts/running-nixos-linux-containers/

== when using nftables ==

The correct value when using nftables should be "ve-*": [[User:Cookie|Cookie_Cocoa]] ([[User talk:Cookie|talk]]) 06:44, 8 May 2026 (UTC)

:Hi, I added this as a comment in the nat sections. May I ask, do you have a source for this (any link we could put under the comment)? The only mention of it seems to be in the old nixos.wiki page for nixos-containers. [[User:Blastboom Strice|Blastboom Strice]] ([[User talk:Blastboom Strice|talk]]) 08:40, 19 May 2026 (UTC)

== Host Configuration ==

> For all of the examples below to work, you'll have to enable virtualization and the use of containers in your host systems nix configuration.

> boot.enableContainers = true;

> virtualisation.containers.enable = true;

Is that necessary? I have a machine with system.stateVersion = "25.05"; that uses neither of the above options and containers work just right. Is it possible that the system enables these by using containers, thus no need to set the 2 options above?

Tagging users that seem to be related: @[[User:Friedow|Friedow]] [[User:Blastboom Strice|Blastboom Strice]] ([[User talk:Blastboom Strice|talk]]) 22:48, 18 May 2026 (UTC)

:@[[User:Blastboom Strice|Blastboom Strice]] It seems the default of <code>enableContainers</code> is <code>true</code> if [https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/virtualisation/nixos-containers.nix#L555 there are any existing containers]. So defining it manually is not necessary.

:The [https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/virtualisation/containers.nix#L23 virtualisation.containers] one defauls to <code>false</code>. I never defined it and my containers work just right. [[User:Arcstur|Arcstur]] ([[User talk:Arcstur|talk]]) 23:15, 18 May 2026 (UTC)

::About <code>virtualisation.containers</code>, I notice that nixos-containers do not use <code>/etc/containers</code>, that seems to be about oci containers. Nixos-containers instead use <code>/etc/nixos-containers</code> for the configuration files and <code>/var/lib/nixos-containers</code> for the actual files.

::I guess case closed, we can remove that snippet, unless new info comes in. [[User:Blastboom Strice|Blastboom Strice]] ([[User talk:Blastboom Strice|talk]]) 08:38, 19 May 2026 (UTC)

:::Awesome! [[User:Arcstur|Arcstur]] ([[User talk:Arcstur|talk]]) 12:18, 19 May 2026 (UTC)

@@ Line 2: / Line 2: @@
 * https://www.thedroneely.com/posts/running-nixos-linux-containers/
+== when using nftables ==
+The correct value when using nftables should be "ve-*": [[User:Cookie|Cookie_Cocoa]] ([[User talk:Cookie|talk]]) 06:44, 8 May 2026 (UTC)
+:Hi, I added this as a comment in the nat sections. May I ask, do you have a source for this (any link we could put under the comment)? The only mention of it seems to be in the old nixos.wiki page for nixos-containers. [[User:Blastboom Strice|Blastboom Strice]] ([[User talk:Blastboom Strice|talk]]) 08:40, 19 May 2026 (UTC)
+== Host Configuration ==
+> For all of the examples below to work, you'll have to enable virtualization and the use of containers in your host systems nix configuration.
+> boot.enableContainers = true;
+> virtualisation.containers.enable = true;
+Is that necessary? I have a machine with system.stateVersion = "25.05"; that uses neither of the above options and containers work just right. Is it possible that the system enables these by using containers, thus no need to set the 2 options above?
+Tagging users that seem to be related: @[[User:Friedow|Friedow]]  [[User:Blastboom Strice|Blastboom Strice]] ([[User talk:Blastboom Strice|talk]]) 22:48, 18 May 2026 (UTC)
+:@[[User:Blastboom Strice|Blastboom Strice]] It seems the default of <code>enableContainers</code> is <code>true</code> if [https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/virtualisation/nixos-containers.nix#L555 there are any existing containers]. So defining it manually is not necessary.
+:The [https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/virtualisation/containers.nix#L23 virtualisation.containers] one defauls to <code>false</code>. I never defined it and my containers work just right. [[User:Arcstur|Arcstur]] ([[User talk:Arcstur|talk]]) 23:15, 18 May 2026 (UTC)
+::About <code>virtualisation.containers</code>, I notice that nixos-containers do not use <code>/etc/containers</code>, that seems to be about oci containers. Nixos-containers instead use <code>/etc/nixos-containers</code> for the configuration files and <code>/var/lib/nixos-containers</code> for the actual files.
+::I guess case closed, we can remove that snippet, unless new info comes in. [[User:Blastboom Strice|Blastboom Strice]] ([[User talk:Blastboom Strice|talk]]) 08:38, 19 May 2026 (UTC)
+:::Awesome! [[User:Arcstur|Arcstur]] ([[User talk:Arcstur|talk]]) 12:18, 19 May 2026 (UTC)