Questions tagged [nix]
Questions about Nix, the purely functional package manager and its usage and configuration.
1
vote
2answers
22 views
How can I set a custom DNS server within Nixos?
I've not found much information in the manual.
I've tried to manually modify the file /etc/resolv.conf however this seems to be overwritten by something?
How can I achieve this?
0
votes
2answers
38 views
NixOS - how is environment.systemPackages implemented
I've started using NixOS. As far as I understand Nix is a purpose built functional language to avoid side-effects. All packages are part of a giant attribute set but as everything is lazily evaluated ...
0
votes
1answer
33 views
`df` within VPS shows available space far below provisioned space
I'm stuck on figuring out whether this is (1) a NixOS problem, (2) a Vultr problem, (3) something particular to my image.
I have a Vultr VPS running custom Nix image (18.09 Jellyfish), and the ...
0
votes
1answer
15 views
Nix value is not of type `attribute set of signed integers'
I'm trying to set:
networking.firewall.allowedTCPPortRanges = [ 80 81 5900];
However I get the below error:
error: The option value
networking.firewall.allowedTCPPortRanges.[definition 1-...
1
vote
1answer
14 views
How can I enable PHP within the Apache service configuration in Nixos?
I'm using the following config:
services.httpd =
{
enable = true;
adminAddr = "localhost";
extraModules =
[
"http2"
];
enablePHP = true;
virtualHosts =
[
...
0
votes
0answers
16 views
How can I set the Java heap size for elasticsearch on Nixos?
It seems these should go in the ${configDir}/jvm.options"} (/var/lib/elasticsearch/config/jvm.options ?) looking at the package at https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/...
0
votes
1answer
33 views
Is there a faster alternative than `nixos-rebuild switch` when updating services?
Often I'm configuring a new service and having to run nixos-rebuild switch for the changes to take effect.
For example setting up a configuration for a webserver.
However the nixos-rebuild switch ...
0
votes
2answers
51 views
How do I diagnose a failing nix-build?
How do I diagnose a nix-build failing?
Currently I see output as:
nix build -v
warning: dumping very large path (> 256 MiB); this may run out of memory
building '/nix/store/...
2
votes
1answer
117 views
How can I override a broken Haskell package in nix?
I use NixOS, and I'm trying to set up a Nix Haskell environment for my Haskell project. I have this Haskell package written in Nix that I'm trying to get working via nix-shell, but the dependent ...
0
votes
1answer
31 views
How to make binary in already existing Nix package able to run a shell script in another package?
I'm currently packaging a printer driver, which uses a shell script as the CUPS filter. Obviously, CUPS needs to be able to run that script. Currently, however, it is giving me an exec format error ...
5
votes
2answers
478 views
Cloning builder process: Operation not permitted when using Nix (under Linux) update channel
I use Arch Linux 4.19.15-1-lts #1 SMP Sun Jan 13 13:53:52 CET 2019 x86_64 GNU/Linux. I do also have Nix installed: nix-env (Nix) 2.2.
I've never had any problems until the recent update to version 2....
3
votes
2answers
122 views
How do I specify a path to an executable for a systemd unit file on nix?
I'm trying to write a systemd unit file.
How do I specify the path to an executable? How can I determine what to use?
In this specific case I'm trying to use mkdir.
ExecStartPre = "/bin/mkdir -p %h/...
2
votes
1answer
62 views
NixOS: some user-subscribed channels are not shown by `nix-channel --list`, how to remove them (unsubscribe)?
I am confused by the current state of my channel subscription on NixOS. It seems that I have a per-user subscription to nixos-17.03 and nixos-17.09:
$ nix-shell -p nix-info --run "nix-info -m"
- ...
1
vote
1answer
373 views
How do I upgrade Nixos to use a new channel nixos version?
I'm currently on 18.03 and would like to upgrade to 18.09. How would I go about doing this?
I've found the following via a web search but it's not very conclusive:
https://discourse.nixos.org/t/how-...
0
votes
1answer
277 views
How do I modify my hosts file in Nixos?
Seems my hosts file (/etc/hosts) points to /nix/store/gds7bha3bx0a22pnzw93pgf0666anpyr-etc-hosts and is read only.
How am I meant to modify this file?
2
votes
1answer
111 views
Dealing with NixOS missing dependency ~ libpng-dev
Moving away from an OS like Arch where packages are mostly available, how does one deal with a missing dev dependency like libpng-dev?
I have an issue with a Node package dependency - pngquant-bin. ...
0
votes
2answers
82 views
How can I install jack2 on nixos?
I have been trying to follow the instrucitons here: https://nixos.wiki/wiki/Using_JACK_with_PulseAudio
error: attribute 'pulseaudio' missing, at /etc/nixos/configuration.nix:17:33
(use '--show-trace' ...
0
votes
1answer
42 views
Is there a Iosevka Term package available on Nixos?
Related to the following issue: https://github.com/be5invis/Iosevka/issues/231
Is there a Iosevka Term width available in nixpkgs? I can only find iosevka and iosevka-bin via https://nixos.org/nixos/...
2
votes
0answers
222 views
“bash: cannot execute binary file” during nix dockerTools cross-build from MacOS host
A great 2016 blog post described building minimal Docker images with Nix. The below is a simple example taken from that blog post, modified to support Nix 2.0:
{ pkgs ? import <nixpkgs> {} }:
...
0
votes
0answers
44 views
How to make Nix applications visible in application menu (GNOME)?
On my CentOS 7 machine I have Firefox installed via Nix (the Firefox in the official repos isn't starting for me, so this is my workaround), the problem is its launcher doesn't appear in application ...
1
vote
1answer
58 views
Killing background processes started in nix-shell
I am developing a simple data science environment with Python tools and a database. When I enter the nix-shell, I spin up the database process. I would like to spin it down when exiting the ...
0
votes
1answer
100 views
Linux Ubuntu 18.04 - nix nixpkgs virtualbox - channel
my status quo
Linux cc 4.15.0-22-generic #24-Ubuntu SMP Wed May 16 12:15:17 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
nix-env (Nix) 2.0.2
"18.09pre140705.090b7cc8f1b"
I would like to use nixpkgs / ...
1
vote
0answers
42 views
Rename file custom pre/post-fix string and date followed by any space trim [closed]
I have gone through various solution for renaming but none of them found fit in this situation. I have to rename a file oldfilename to newfilename with conditions like
Prefix the hard coded string ...
2
votes
1answer
443 views
Installing CMU fonts on NixOS
I have figured out that I need CMU fonts to be able to typeset Russian text with XeLaTeX. Under NixOS there is cm-unicode package for it, I have installed it with
nix-env -iA nixos.cm_unicode
but ...
0
votes
2answers
310 views
point $NIX_PATH to ~/.nix-defexpr/channels
I would like to point $NIX_PATH to ~/.nix-defexpr/channels instead of ~/.nix-defexpr/channels_root as currently. I don't want to have to type that every time I run nix-env. What's the right way of ...
1
vote
2answers
194 views
nixpkgs-unstable visible imperatively but not declaratively [closed]
I'm trying to install this Python library
python3.6-geopandas-0.3.0. And I successfully installed it imperatively with
$ nix-env -iA nixpkgs.python3Packages.geopandas
However I need to create an ...
4
votes
3answers
1k views
how to find which packages are installed system-wide in NixOS?
Is there a command that can be used to figure out which packages are installed system-wide in NixOS?
For instance, I can list packages installed for my current user with nix-env -q. I don't know of ...
1
vote
0answers
198 views
How to share nix store among multiple aws instances?
I am using nixops and want to reduce disk space consumption by sharing nix store among instances.
Possible implementation:
share /nix/store store through elastic file system.
make cron job on random ...
0
votes
2answers
130 views
How to find the correct version of an installed package in /nix/store
I installed dovecot and with it came a tool called maildirlock that I would like to use. It's not in PATH, but it is in /nix/store. Multiple times in different versions, of course (and they can be ...
0
votes
2answers
113 views
Track /etc/nixos/result in VCS?
While one can rollback NixOS build generations easily, this won't give back the corresponding NixOS configuration in /etc/nixos/configuration.nix. Thus, it seems to be common to track /etc/nixos/ in a ...
3
votes
1answer
826 views
How do I view information about a package in nix?
How do I get more details about a nix package, e.g. to verify that it actually is what I think it is.
In Debian, I would use apt-cache show; but how do I get similar information for nix? A command to ...
3
votes
0answers
452 views
installing .net core sdk 2.0 on NixOs (can't find templates)
Resume
I am currently trying to install dot-net-core-sdk 2.0 with the Nix package manager in NixOs.
I am very new to both NixOs, Nix, bash scripting and stuff like ELF. Yet I think I've successfully ...
0
votes
2answers
659 views
NixOS Build Error: “dbus/dbus.h” not found
I'm trying to build the "nvidiaBeta" driver, but it fails to build nvidia-settings with the error
gtk+-2.x/ctkgridlicense.c:38:23: fatal error: dbus/dbus.h: No such file or directory
I have tried ...
4
votes
1answer
2k views
Is there any way to remove single package from cache?
Is there any way to force removing a package from /nix/store/..
I am testing my expression for my package and want to make sure it will rebuild correctly.
The problem is if I build my package once, ...
4
votes
1answer
601 views
`ld: cannot find -lc` on NixOS
I have the following Nix derivation:
with import <nixpkgs> {};
stdenv.mkDerivation rec {
name = "scipoptsuite-${version}";
version = "4.0.0";
src = fetchurl {
url = "http://scip.zib....
4
votes
2answers
650 views
How to configure a Nix environment, outside of NixOS?
So far, I have been trying out the Nix package manager by nix-env -i installing packages. Now, I would like to manage that with a ~/configuration.nix, like the example here, so that I can version it ...
1
vote
1answer
148 views
How can I use ruby gem commands like bundler when ruby is installed by nix package manager?
I'm new to nix package manager.
After installing nix into Ubuntu 16.04 LTS(Japanese translated version), I installed ruby with nix-env command. Then I did gem install bundler. That seemed to work ...
2
votes
1answer
147 views
Trouble merging two simple dot nix files for nix-shell
I am new to nix expression. I found two configuration files that I want to use in nix-shell.
Unfortunately I failed to merge them due to my lack of nix expression knowledge. Always end-up with ...
2
votes
1answer
624 views
Disabling the security hardening options for a `nix-shell` environment
In an attempt to build GCC (6.3) on NixOS (16.09), within a nix-shell, I get this:
make[1]: Entering directory '<my-build-path>/coreboot/util/crossgcc/build-i386-elf-GCC/build-x86_64-pc-linux-...
2
votes
1answer
679 views
nix: install virtualbox-guest
I am testing the nix package manager.
I installed ubuntu in a virtualbox and try to install the guest additions. My ~/.nixpkgs/config.nix is
{
allowUnfree = true;
packageOverrides = pkgs_: with ...
6
votes
4answers
1k views
How does Nix manage SystemD modules on a non-NixOS?
Suppose I use nix-env to install a package that uses SystemD, on a Ubuntu host. What needs to be done to make Ubuntu's SystemD aware of the SystemD modules that come from Nix packages?
Let's try ...
7
votes
1answer
1k views
name collision in input Nix expressions with nix-env -f
Following this previous answer that was given to me, I started following the nixpkgs-unstable channel with a git clone of this repository: https://github.com/NixOS/nixpkgs-channels/
My clone is in ~/...
0
votes
1answer
312 views
Cannot install nix packages on Mac because .nix-defexpr doesn't exists
I have installed Nix on a Mac OSX (v 10.9.2) but anytime I try to run any command I get this message:
error: getting information about '/Users/myuser/.nix-defexpr': No such file or directory
This ...
3
votes
2answers
892 views
Nix desktop files
When I install a GUI application using nix, I see desktop files end inside ~/.nix-profile directory, e.g:
~/.nix-profile/share/applications/firefox.desktop
However, my desktop expect that files to ...
1
vote
1answer
82 views
How do I maintain a clean system compiling package not in the main channel in Nixos?
I wish to install a program that is not available through the main channel in Nixos. How do I ensure that the proper dependencies will be installed, ideally in a way that is described in a ...
7
votes
1answer
1k views
Local Nix cache is ignored because NAR info file lacks a signature
[partially solved here: https://plus.google.com/110416349762686874861/posts/PVGHL1Tpeb9; but not entirely]
I want to use one of my NixOS machines as a cache for the packages, to not pull everything ...
9
votes
1answer
1k views
How do you install a one-off package in NixOS?
I've got a NixOS box that I keep on the nixos-16.03 channel. I want the machine to stay in a mostly-stable state, and so I am wanting to avoid switching to the nixos-unstable channel.
However, I ...
3
votes
2answers
685 views
How to build 32-bit application on 64-bit system using Nix package manager?
It seems Nix should be able to install and build 32-bit packages on 64-bit systems. It's caches already store whole nixpkgs tree built for i686 architecture, and there should be no problem to download ...
6
votes
1answer
708 views
Run OpenGL application installed by Nix package manager
When I try to run application which uses OpenGL installed or built with Nix package manager, GLX errors shows up:
$ /nix/store/p6fwy23nfcadxr4i780knajvmzga17aa-glxinfo-8.1.0/bin/glxinfo
libGL error: ...
2
votes
1answer
277 views
manage packages of the system profile in NixOS
In NixOS how can I manage the system installed packages?
If I run nix-env -q from root I get the packages installed by root (and available to all the users), but many are missing like ssh, the whole ...
