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Does it also provide multiple versions of the same package running side by side? That is one of the more useful features of nix to me.

• qznc 13y ago
  Installing multiple versions is not the problem. The problem is configuring packages with respect to their dependencies. Nix enables per user installations and different users can use different versions of a package. What Nix cannot do (as far as i know), is using multiple versions as the same user. For example, Flash once broke due to change in the GNU libc. Can Nix use a different libc version for a specific browser plugin?
  • nbp 13y ago
    Nix can do that, you can easily use nix-env to create a new profile instead of using the default one stored in ~/.nix-profile . I am using multiple tool-chains stored in multiple profiles for my development process.
  • davorak 13y ago
    nbp is correct it is not a problem for the same user to install multiple versions of the same package. > Can Nix use a different libc version for a specific browser plugin? Are you asking about the case where the browser depends on a newer version of libc then the plugin?