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Questions tagged [nixos]

NixOS is a Nix-based Linux distribution.

NixOS is a Linux distribution based on Nix, a functional programming language. It supports atomic upgrades, rollbacks and multi-user package management, and it has a declarative approach to system configuration management that makes it easy to reproduce a configuration on another machine.

Home page: https://nixos.org/

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how to install libmysqlclient.so.18 on nixos20.09？

I am try to install an binary software,whitch needs libmysqlclient.so.18. But there is not libmysqlclient.so.18 on Nixos 20.09 ,but libmysqlclient.so.21 Anyone have an idea in installing or compiling the specified version of libmysqlclient on…
Ren Yongxin
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Nix Package Manager syntax error , expecting ';' at the end

I am trying to learn nix package manager and I wanted to build a flask app using nix package manager using --pure especially. When I run nix-shell --pure default.nix, I get the error syntax error, unexpected $end, expecting ';', at…
M.Yavuz YAĞIŞ
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Why doesn't nix find python39?

I would like to install python 3.9 with nix (I am running nix 2.3.3 on NixOS 19.09.2166.ce9f1aaa39e (Loris)). It is defined on NixOS/nixpkgs as can be seen here: python39 = callPackage ./cpython { self = python39; sourceVersion = { …
Kaligule
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modifying settings.xml in $out/maven/conf when downlaoding nixpkgs.maven

https://github.com/NixOS/nixpkgs/tree/master/pkgs/development/tools/build-managers/apache-maven Above is the apache maven derivation. When I download maven from nix store it creates a settings.xml file in $out/maven/conf directory which I want to…
Sarthak Sota
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nixos-rebuild value is a function while a set was expected

Can no longer rebuild - now to debug this? $ sudo nixos-rebuild build --show-trace building Nix... error: while evaluating the attribute 'config' at /nix/var/nix/profiles/per-user/root/channels/nixos/nixos/lib/eval-config.nix:64:5: while evaluating…
John Fremlin
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Can't build hzk (haskell zookeeper) with nix in stack project

I'm trying to port my employer's large haskell stack project to nix and it's barfing over zookeeper_mt. In stack.yaml I enabled the nix build and already added a few nix packages like zlib to cure build errors, but even with zookeeper_mt, I get: hzk…
Adrian May
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lubuntu does not see executable file generated by ocamlopt on NixOS

i created executable "standalone" file in NixOS (x86_64) using "ocamlopt" native compiler with option -linkall. and the generated program is executed in NixOS. so far so good after that i tried to execute this file under…
Ston17
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Emacs daemon slowing down shutdown

Recently, I set services.emacs.enable = true; on my configuration.nix. I've noticed that, during shutdown, an annoying timeout shows up. Here's what I see: [ OK ] Stopped X11 Server. [ OK ] Stopped Session 2 of user . …
Luis Ch.
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How to build px4_drv kernel module in NixOS?

I'm following this instruction: https://github.com/nns779/px4_drv make under the directory fwtool builds it930x-firmware.bin and make under driver builds px4_drv kernel module. I wrote these two nix expr: $ cat ./it930x.nix { stdenv,…
gtgteq
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How to build NixOS/nixpkgs manuals?

How to build manuals for NixOS and nixpkgs? I also get an error sometimes: error: a 'aarch64-linux' with features {} is required to build '...options.xml.drv', but I am a 'x86_64-linux' with features {benchmark, big-parallel, kvm, nixos-test}
danbst
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nix-shell can't find standard attribute

I'm running nixos 19.09 and trying to follow along with the instructions for creating a ruby package. But in one of the first steps I'm getting an error that the withPackages attribute can't be found. Command: $ nix-shell -p "ruby.withPackages (ps:…
goosetherumfoodle
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Trying to add NixOS non packaged pytest-bdd to a shell.nix environment

I\'d like to create a simple python project, and the nixos documentation was helpul. So I have a shell.nix file with the following content: with import {}; ( python3.withPackages (ps: [ps.ipython ps.flask ps.pytest]) ).env Then I run…
Jose Miguel
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nixos: KDE powermanagement does not have brightness control

I can't control screen brightness in KDE(power management is enabled, but I don't see the brightness control in the power management widget. The brightness keys used to work as well, but now they aren't). I'm on the unstable channel, it was working…
madhukar93
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How to disable networking traffic / connections in Nix language in Nixos?

Have searched https://nixos.org/nixos/options.html#networking for networking options. And I have not found something that may achieve this: I would like a configuration which ensures that users don't have any network traffic. As it would be a nix…
Stephane Rolland
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Building a gradle Android app under NixOS

I have existing Android apps, that I would like to continue building after I switched to NixOS. I followed several instructions that are basically allways based on what is described in the Nixpkgs manual:…
Matthias Wimmer
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