This bug still exists (using nix-channel without name causes errors, a basic feature IMO) so watch out.
Unfortunately nix still needs work on it's UX.
this post was submitted on 29 Nov 2023
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Yeah. The UX is not in a great state. This is not an euphemism though, I think the UX is OK for advanced users, but getting used to it takes time.
Honestly given the choice I prefer the status quo, good fundamentals and clunky UX compared to the other way around – it's all volunteer work and that's a finite resource.
Does Nix need user namespaces, and does it allow good Sandboxing like Podman or Flatpak?
I've used flatpak in the past, and although you basically give up the declarative aspect they worked fine as far as I remember
That was not answering the question 😅
Nix packages arent containerized by default. But since every depenedency is clearly defined. there are tools wrap packkages using bublewrap, or tools build layered docker imahes
But building packages happens in sandbox
Great thanks! So Fedora+Nix (maybe some hacky way to symlink it to /var/nix on every boot and it can run on Atomic too)+bubblejail (there is a COPR now for use in secureblue) could be a great setup!
Any info about namespaces? Hardened kernels block these for valid reasons. Flatpaks can use bubblewrap-suid, Podman is supposedly not compatible (not sure about that)
I'm new to NixOS. Do I have to do anything extra to update NixOS? Or do I just update my flake and run nixos-rebuild switch --flake like I normally do to update packages?
If you are using flakes you should check your flakes' inputs (probably the one called nixpkgs) and then change the URL to match the channel for 23.11.
Finally, you should of course rebuild your system.