*nix just means operating systems that are like the old workhorse Unix. Some examples include Linux, FreeBSD, and Mac OS X (its kernel, Darwin, is based on BSD). The main relation …

Dec 9, 2022 · psql won't connect after nix-env because it just puts the PostgreSQL package into the /nix/store, but doesn't start it. You can check it on the terminal with. ps ax | grep postgres …

Dec 17, 2022 · For permanent effect add following line to your configuration file "~/.config/nix/nix.conf" experimental-features = nix-command Create the conf file if it doesn't …

Feb 17, 2018 · I would like to not have to do the manual nix-channel --add and nix-channel --update steps. I would like to be able to install my system from configuration.nix without first …

Oct 5, 2019 · Only the nix-daemon is allowed to mount the nix-store as writable. Therefore, you must create a systemd.services.<yourservice> entry in your configuration.nix to interact with …

Jun 26, 2020 · Alternately, you could just copy the mkShell implementation into ./mkShell.nix and import it, as Chris suggested. let mkShell = import ./mkShell.nix; in mkShell { lib = pkgs.lib; …

Jan 5, 2022 · Multiple versions of this command were found in Nix. And then when choosing the .out, python starts. I found out I need to add python3 to .nix so that nix can automatically run …

Aug 15, 2021 · Here's the nix expression I'm trying to build: { python3Packages, fetchFromGitHub }: let inherit (python3Packages) buildPythonPackage fetchPypi; attrs20 = buildPythonPackage …

And nix-shell doesn't really execute the builder, which means there's no way of running commands such as export PATH=.... But I found some other derivations provide their virtual …

Aug 16, 2022 · I'd like to define/manage a config file within a nix file and have it end up in the nix store, how can I do this? Currently I'm managing this (outside of the nix store) manually by …