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DeterminateSystems / zero-to-nix

Zero to Nix is your guide to learning Nix and flakes. Created by Determinate Systems.

Home Page:https://zero-to-nix.com

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Issue with page `src/pages/start/2.nix-run.mdx`

13013SwagR opened this issue · comments

commented

Problem

When running echo "Hello Nix" | nix run "nixpkgs#ponysay"
I get the following error

error: experimental Nix feature 'nix-command' is disabled; use '--extra-experimental-features nix-command' to override

then when I run echo "Hello Nix" | nix run "nixpkgs#ponysay" --extra-experimental-features nix-command
I get the following error

error: experimental Nix feature 'flakes' is disabled; use '--extra-experimental-features flakes' to override

and when I run echo "Hello Nix" | nix run "nixpkgs#ponysay" --extra-experimental-features flakes --extra-experimental-features nix-command

It works!

Expected behavior/documentation

The tutorial should provide the proper Nix configuration to avoid those errors or at least add notes on how to cleanly solve them.

References

I installed Nix with this tutorial

commented

Our intention is that readers go through the quick start from start to finish. If you install Nix using Nix Installer and the instructions here then flakes are enabled by default. In that particular tutorial, the sentence immediately preceding that command states "In the last section, we installed Nix using Nix Installer..."