Nix env packages Tips and tricks Max jobs. If you want to get a shell which contain the built packages ready for use, give your expression to the nix-shell --packages convenience flag nix-env can obtain packages from multiple sources: An attribute set of derivations from: The default Nix expression (by default) A Nix file, specified via --file; A profile, specified via --from-profile; A Nix expression that is a function which takes default expression as argument, specified via --from-expression; If you find that you want to undo a nix-env operation, you can just do $ nix-env --rollback which will just make the current generation link point at the previous link. systemPackages so all my packages are tracked in my nixos configuration declaratively. 7 (not installed but present) --S GConf-2. It also prints the creation date of the generation, and indicates the current To show the status of available packages: $ nix-env --query --available --status -P- firefox-1. , this is not the installed MPlayer, even though the version is the same!) Listing packages installed in a user profile. lock. works offline; cons. 7 GConf-2. You must use single or double quotes (', ") when passing a simple Nix expression in a nix-shell shebang. Is there a way I can install this into my user profile with nix-env directly? For Using nix-shell for package development. 18. ; devenv search <NAME> searches packages matching NAME in Nixpkgs input. Nix-shell requires nix-1. 4' Versions. Caveat: your nix expression should have the nix package in it, since we are using nix Nix is a package manager used in NixOS, a Linux distribution. Nox shows you the name with version of packages, along with the Nix attribute, e. 64s user 7. A store path Selectors. The third column is the short description of the package, which has no relevant inside of Nix; it's intended just for humans. Footnotes [1]: As far as I know, the NixOS manual is the only official document that uses the term "ad-hoc [sic] package management" and only to mean package management using nix-env. /deps. Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path` If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. The second column shows the package's name, which you can use to install it with nix-env -i. The above commands do not show the packages installed into a user profile with nix-env --install. ) {} I can successfully nix-build this. You can also override your package in a shell. I installed a package (through nix-env -iA nixos. , apt or pacman) There is currently no single command that will show packages installed in all three places. nix-env --upgrade - upgrade packages in user environment. nix-env -iA nixpkgs. nix eval; 8. allows filters cons 1. $ nix-env --profile other_profile --delete-generations old Uninstalling Nix Multi User. withPlugins (plugins: [ plugins. As for debugging why the application specified in your configuration. Thank you! ️ nix-env can obtain packages from multiple sources: An attribute set of derivations from: The default Nix expression (by default) A Nix file, specified via --file; A profile, specified via --from-profile; A Nix expression that is a function which takes default expression as argument, specified via --from-expression; nix-env --list-generations - list profile generations. Instead, we need to use three different commands depending on where to check for The above (a single package/derivation) can successfully be installed with nix-env -if dep-terraform. Search. Of course a single group is perfectly valid if that suits your applications. nix in the $ nix-env --delete-generations old Instead of old you can also specify a list of generations, e. Usage. list $ wc -l nix-packages. nix-profile/bin/. nix-env -i apache-kafka sudo systemctl Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path` If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. ssreflect and coqPackages_8_6. Options. nodePackages. Add an entry to the Nix expression search path. For the installation of services, you'd have to use a nix-env -iA [package_name] And if you use the web search to look for the package, you will already have the exact command you need for the installation. nixos. 05 Deprecated 24. Nix tries very hard to ensure that Nix expressions are deterministic: building a Nix expression twice should yield the To show the status of available packages: $ nix-env --query --available --status -P- firefox-1. I’ll try to move them over to the file and get back here. These are extended regular expressions that must match the entire name of the $ nix-env--upgrade _some-packages_ $ nix-env--rollback Garbage collection. That command was incredibly helpful, I wouldn’t have remembered most of the packages it found. 2' to `mozilla-1. Installing a package with a traditional package manager (e. The following options are allowed for all nix-env operations, but may not always have an effect. 1 Upgrading software is also straightforward, as you can read in the manual (nix-env -u will upgrade all packages in the environment). These may be switched to using the --switch-generation operation. Home-manager is what configuration. 1 (not present, but there is a substitute for fast installation) --S MPlayer-1. Packages are identified based on a name part and a version part of a symbolic derivation name:. #33057 made derivations lazy with many benefits nixpkgs already uses The nix-shell command. We inspected the dependencies and reverse nix-shell doesn't "install" packages, depending on what one means by "install". ) is disunified and not very ergonomic compared to a unified subcommand interface like brew. It also might not apply to patches included in Nixpkgs, which may be derivative works of the packages to which they apply. Now we should be able to successfully use the newly installed rathole by rathole --version. It's possible to search for a package using nix-env -qaP. 1. So far I have been using system-wide declarative configuration only. When you uninstall a package like this $ nix-env--uninstall firefox. I run nix-env -e '*' to remove all packages from my profile installed via nix-env regularly and move anything I want to use into environment. Flakes is a seperate way to interact with, and manage nix code which a lot of people prefer. create packages should consult the chapter on the Nix language. How can specify additional packages to be installed using the above approach (without having to create a file for each dependency)? nix; It is possible to install list of packages using nix-env: $ echo 'with import <nixpkgs>{}; [ htop Install Nix package manager. neofetch. But next I found myself without a way of uninstalling it. To list all available vim plugins, run nix search nixpkgs#vimPlugins. Also, nix-env can be Suppose I use nix-env to install a package that uses SystemD, on a Ubuntu host. org/options 2. By default, nix only uses one builder. Hi, It seems using nix-env for installing packages is a bad habit for nix/NixOS users and that it’s not recommended from the community. As you go on, you’ll learn If you want to get a shell which contain the built packages ready for use, give your expression to the nix-shell --packages convenience flag instead. User environments are sets of software packages available to a user at some point in time. py` file in order to package properly the application. Add the following code to your ~/. For example, the "out" and "info" outputs for the coreutils package can be installed by including coreutils and coreutils. nix-env operation [options] [arguments] [--option name value] [--arg name value] [--argstr name value] [{--file | -f} path] [{--profile | -p} path] [--system-filter system] [--dry-run] Description. This way different package configurations are stored in separate generations, and you can switch between them to rollback to previous states of the system, where you had different packages installed from now. Remember to re-run fetch-deps every time the package is Describe the bug When I install libc++-7. This document is the user reference manual for Nixpkgs. packages at search. If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. I tried nix-env --uninstall neofetch, but nothing happened. ; From now on, pkgs/ will refer to this Under the covers, use_flake calls nix print-dev-env. So let's say I want to install librewolf, so I will be using the following command: Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. More importantly, some of those commands have some sharp edges (very To get the feeling of packages available at your disposal (almost 29 thousands of them): $ nix-env -qa > nix-packages. The first part is the identifier of the This option is accepted by nix-env, nix-instantiate, nix-shell and nix-build. Now, I would like to manage that with a ~/configuration. These are extended regular expressions that must match the entire name of the Devbox provides a searchable index of over 400,000 versions of 80,000 packages powered by Nix, meaning you can find the exact package that you need. Remember, NixOS updates are generally smooth and well-tested, thanks to the declarative configuration and the reproducibility of Nix. 4. Starting the nix repl Package and development shell for a python project. you can't declare the default shell). nix-profile/bin. The command nix-env Several commands, such as nix-env -q and nix-env -i, take a list of arguments that specify the packages on which to operate. To find out the attribute paths of available packages, use nix-env --query --available --attr-path . This lets you group packages together into groups that you want to update separately. *' and manage the configuration using configuration. { nixpkgs ? import <nixpkgs> {}, compiler ? "ghc864" } : nixpkgs. nodePackages | grep -i web nixos. $ nix-env --profile other_profile --delete-generations old Warning This program is experimental and its interface is subject to change. Selecting outputs to install via nix-env. Installed it on my laptop, and after some tinkering my system was kinda done. Packages made available by nix-shell are I'm using Nix 2. nix env - manipulate the process environment. nix-env, Nix package manager's installation command, creates a new generation every time you install a package. Note. Channel: 24. Options Why doesn't `nix-env -q` find my installed packages? (NixOS channels, profiles and packages) 5. nix-env is a tool for imperative package management that is a thin layer over the otherwise declarative and immutable Nix system. 3 To show the status of available packages: $ nix-env --query --available --status -P- firefox-1. Customizations. 16. Add an entry to the list of search paths used to resolve lookup paths. Nix stores the results of the build in unique nix-env -q Use packages without installing them . nix-env {--upgrade | -u} $ nix-env --upgrade upgrading `hello-2. 19. That being said, nix-env is being referenced less often, and nix-shell -p is being used more often for examples of usage. 2 To find out the attribute paths of available packages, use nix-env -qaP. What is a Nix expression in regard to Nix package management? 4. nix hash - compute and convert cryptographic hashes; nix key - generate and convert Nix signing keys; nix nar - create or inspect NAR files; nix print-dev-env - print shell code that can be sourced man nix-env-<operation>. Your Devbox projects are fully portable, meaning you can run them locally, in a containerized environment, or on Jetify Devspace Upgrading software is also straightforward, as you can read in the manual (nix-env -u will upgrade all packages in the environment). numpy ])' [nix-shell:~]$ which python nix-env installs permanently, nix-shell (or the flakes only variant nix shell) only for the shell session. 5 libreoffice-5. Upgrade Specific Packages: If you want to upgrade specific packages managed by nix-env, you can use nix-env -u <package_name> or nix-env -u '*' to update all user-installed packages. Similar to traditional package managers, we can use Nix to install packages globally. Reproducible nix-env -i with only Nix, no NixOS. Remove all previously installed packages first. Search for packages. nix flake clone; 8. *' first, except that everything happens in a single transaction. Set the logging verbosity man nix-env-<operation>. The uninstall operation creates a new user environment, based on the current generation of the active profile, from which the store paths designated by the symbolic names drvnames are removed. My flake includes the Python interpreter, some Nix setup, plus the Nix versions of some binary packages that I personally want to ensure are available but don't want to add to the project itself (these would be things that you'd typically install globally with Nix can be used to provide some kind of virtual environment through the nix-shell command. service sudo systemctl daemon-reload Note: MIT license does not apply to the packages built by Nixpkgs, merely to the files in this repository (the Nix expressions, build scripts, NixOS modules, etc. So the latter is more similar to an apt upgrade as it also updates dependencies. nix file and the pkgs/ directory. nix, like the example here, so that I can version it in my dotfiles. Install Global Packages. As I said in that issue and in #1771 nix-env filtering behavior is fundamentally broken. Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path. 6. it's a stopgap so that people can "install" packages without having to touch configuration. nix file to add test and coverage Writing devenv. $ nix-env --upgrade --attr nixpkgs. nix env shell; 8. (Therefore I find the term misleading, because using packages via nix-shell -p commands or custom shell. Here is the basic usage of nix, most revolve around the nix-env command. If you are on Linux with systemd: Remove the Nix daemon service: sudo systemctl stop nix-daemon. nix isn't in your path, an application specified in your configuration. Then run this to upgrade packages: nix-env -u '*' Name. g. Does nix provide package options / parameters? How do I list them? 5. Nix packages at search. I think working in this nix-shell is a nice experience. When you are ready to update them you can run this to update the channel list (think apt-get update): nix-channel --update. Options To show the status of available packages: $ nix-env --query --available --status -P- firefox-1. I install Vim like this: # nix-env --install --file '<nixpkgs>' vim The store path of the Vim executable is I use NixOS, Nix version 1. -I / --include path. list $ less nix-package. Options nix-env doesn't have a good solution for updates as it finds packages by name when you do a -u which may not be unique and may result in downgrades or installing betas over stable versions or other undesired behaviour. For example, 8. Nix expressions are pure functions taking dependencies as arguments and producing derivation specifying a reproducible build environment for the package. There seems to be no nix-env -q? doing what I want. Create the Nix environment config (like default. Options $ nix-env --delete-generations old Instead of old you can also specify a list of generations, e. service files, and symlinking them from /lib/systemd/system/, for the Apache Kafka package. Do you happen to have packages installed using nix-env? If so, uninstall them all using nix-env -e '. nix-env -q will only report packages that are installed into imperative 'environments', like those created by nix-env -i. If you want to get a shell which contain the built packages ready for use, give your expression to the nix-shell --packages convenience flag instead. Yes. , this is not the installed MPlayer, even though the version is $ nix-env --uninstall hello Or you can check the list of installed programs: $ nix-env --query You can also list generations: $ nix-env --list-generations See nix-env(1) for more detailed information. This would look like: If you find that you want to undo a nix-env operation, you can just do $ nix-env --rollback which will just make the current generation link point at the previous link. More precisely: ~ nix-channel --list nixpkgs https://nixos. openstack ])" terraform apply Note. systemPackages. These are extended regular expressions that must match the entire name of the To show the status of available packages: $ nix-env --query --available --status -P- firefox-1. Thank you for your help. 0pre7 ORBit2-2. However, this command will also remove the package nix itself from the current profile. nix-env lacks an easy way to select the Build the script with nix-build -A some-package. What I did is set up a flake which manages the Python env for an individual project. I know that installing library in this Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. Alternatively, there's also the lesser known -r flag to nix-env, which states that--remove-all, -r. The first argument to the use_flake function is the flake expression to use, and all other arguments are proxied along to the call to print-dev-env. My opinionated take: entirely forego nix-env, don't use it. nixos. It’s an imperative “install thingX” method, equivalent to something like brew install thingX when nix is used as a third-party package manager. 15. Selectors. , this is not the installed MPlayer, even though the version is the same!) The first one is the attribute path to the package, which you can use to install the package with nix-env -iA. The package itself is under ~/. As a result, the current Nix profile will require a manual intervention to be recovered, as Nix commands will not be callable as usual. 2' to `hello-2. Thanks! Commands. Or from terminal you can list all packages with nix-env -qaP then just grep what you are looking for. 1 jq-1. , default would be made to point at default-42-link. Is there a way to generate this nix-env --list-generations - list profile generations. org/packages 1. Useful to run in your continuous integration environment. It describes entire public I remember the incredibly slow nix-env -qas command, and try it here: $ time nix-env -qas cabal-install --- cabal-install-3. with channels 1. In this post I describe the process that led to the creation of Nix Package Versions, the tool that provides this functionality. 0pre3 (i. nix-shell is a command which drops you into the build environment for a package. This is convenient for writing and debugging nix expressions. Switching between generations is easy and immediate. If you already have a nix package definition of your project it's easy: Just use nix-shell instead of nix-build and you will end up in a bash shell that reproduce the build-environment of your package. 4. Marcelo Lazaroni Blog / About. Upgrading Nix. libcxx, nix-env --uninstall libc++ does nothing. For that, we will need to use the nix-env --query command. devenv shell activates your developer environment. These are extended regular expressions that must match the entire name of the Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. Name. This is the “user’s” perspective of the Nix system — people who want to create packages should consult the chapter on the Nix language. After installing nix and running the commands from the tutorial I'm getting an empty set of available packages (through nix-env -qa). nix-env--set drvname. 6) has packages coqPackages_8_6. info in environment. list While it is not a substitute for a large collection of existing Debian/Ubuntu packages, very often what you get from Nix is more up-to-date. Then we learned how to query the store. The following shows how to list packages installed in your local user profile: $ nix-env --query highlight-1. Packages are built from Nix expressions, which is a simple functional language. easy to use 2. The manual describes it as: “start an interactive shell based on a Nix expression. nix is for your system, but for your user. where subcommand is one of the following:. A full minute to tell me: ---. 05 total Sigh. It is possible to use buildPythonApplication to package python applications. I've searched both the NixOS and the Nix manual, but I did not find anything. packages. nix-es are also ad hoc forms of package management. use nix-env -qaPA nixos. nix flake archive; 8. The fact it worked before was a historical accident that required derivations to be strict. Please help us improve the search by reporting issues. Service. For instance, if you have a flake that needs to be called impurely under some conditions, you may wish to pass --impure $ nix-shell --packages cowsay lolcat This downloads the specified packages with all their dependencies, and drops you into a Bash shell where the commands provided by those packages are present. If this is true, we should update the Wiki to stop referring to this command as the way to install a package, or put a warning after each use of this command in the wiki for installing a package that would lead to a Wiki page explaining why $ nix-env --delete-generations old Instead of old you can also specify a list of generations, e. 0 nix-env -qas cabal-install 29. As a result, nix-shell packages don’t “pollute” your machine Nix manual references Installation section Environment variables. Today I used nix-env -i hello and realized that it doesn’t put that package in the configuration. nix) in the root of your project's workspace. 0 although it's pretty annoying to reinstall all other packages. e. 10. nix Writing devenv. 0. It successfully uninstalls all things including libc++-7. NixOS options at search. You must use double quotes (") when passing a simple Nix expression in a nix-shell shebang. Obviously I have forgotten the output format of this, so it’s time for another trip to man nix-env: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Emacs frontend to installing packages using Nix. nix-env -e package_name Warning. NixOS community has three manuals, always consult them first, if you're stuck: Nix manual, for the package manager; NixOS manual, for the operating system; Nixpkgs manual, for Nix package infrastructure; Every package on Nix is specified by a Nix expression. with flakes 2. 3' upgrading `mozilla-1. Given a Nix expression that contains newer versions of installed packages (that is, packages with the same package name, but a higher version number), nix-env -u will replace the installed package in the user environment with the newer package. requires Intern Nix is a package manager used in NixOS, a Linux distribution. 1 If the package you want is not there, and you don't know how to write Nix packages, make a packaging request on NixOS github. Nix is a package manager and build system that parses reproducible build instructions specified in the Nix Expression Language, a pure functional language with lazy evaluation. and rather than copying your env and making tweaks, they can declare your env as a build input and write a flake. I was wondering how I could get a list of all installed packages, including pre-installed packages (like ls for example). -I path. With nix-shell, you have a quick and easy way to run any software package without installing it in your environment. This option may be given multiple times. nix: I want an env like Jonathan's, except I also want sympy. webdrvr node-webdrvr-2. nix-env --set - set profile to contain a specified derivation. For example, $ nix-env --delete-generations 14d deletes all generations older than two weeks. nix env [option] subcommand. nix-env --uninstall - remove packages from user environment. To use Nix, some environment variables should be set. 17. 11 unstable. 8. nix flake; 8. ’nix-env’ is a command-line tool that allows you to manipulate and query the installed packages in your Nix The command nix-env is used to manipulate Nix user environments. How can specify additional packages to be installed using the above approach Or from terminal you can list all packages with nix-env -qaP then just grep what you are looking for. If From Nixpkgs you can use the buildEnv function to construct symlink farms similar to how nix-env produces them. devenv update updates and pins inputs from devenv. Typically, for security reasons, we will always try to avoid running systemd services as privileged users such as root. This operation print a list of all the currently existing generations for the active profile. no, nix-env is meant to give you a similar experience to other package managers, however, i manages it’s own gcroots (what derivations can be cleaned up), and even generations. Description. Thank you! ️ I can query available packages w/ nix-env -qa [package] but how can I look for optional packages (e. 1 This chapter discusses how to do package management with Nix, i. One could imagine a sort of family-tree of environments, so you just need to pick the one that suits your You should get a git repository with the whole nixpkgs tree under ~/devel/nixpkgs/; Unless explicitly stated, for the rest of the document we are working from this directory: cd ~/devel/nixpkgs/ Just to ensure everything is clear, on this directory there should be two main entries: the default. webpack node-webpack-2. org/flakes?type=options pros 1. The profiles mechanism provides a means for mutability and nix-env creates manifest. 5. ” The packages installed in a temporary nix-shell are only part of that (disposable) shell. $ nix-env --upgrade Sometimes it’s useful to be able to ask what nix-env would do, without actually doing it. nix-env --help --<operation> Example: nix-env --help --install. mathcomp that I can get no information about in Nix AFAIK man nix-env-<operation>. We now show how to package a simple python application: a basic flask web server. Both vim and neovim can be further configured to include your favorite plugins and additional libraries. neofetch) because I was trying nix-env out. Indeed, I have/had. nugetDeps = . the package isn’t deleted from the system right away (after all, you might want to do a rollback, or it might be in the profiles of other users). Several operations, such as nix-env --query and nix-env --install, take a list of arguments that specify the packages on which to operate. Contribute to akirak/nix-env-install development by creating an account on GitHub. Now, to install Show the attribute paths of available packages with nix-env --query: nix-env --query --available --attr-path If --from-profile path is given, args is a set of names denoting installed store paths in the profile path. E. The first directory contains the Nix tools themselves, while ~/. I'm currently testing both Nix on Debian/Fedora, nix-darwin and NixOS (all with home-manager). name: Everything up to but not including the first dash (-) that is not followed by a letter. yaml into devenv. This command gives me the version of reflex-dom as reflex-dom It’s vastly over-simplifying things, but the basic reason there are both is that nix-env -i is for nix on other platforms, where you can’t manage the system more cohesively with configuration. , $ nix-env --delete-generations 10 11 14 To delete all generations older than a specified number of days (except the current generation), use the d suffix. $ nix-env --delete-generations old Instead of old you can also specify a list of generations, e. August 31, 2020 - London, UK 🇬🇧 I discovered that nix-env -qaP --json outputs a big json file containing information about all packages available in your default revision. The upgrade operation determines whether a derivation y is an upgrade of a derivation x by looking at their respective name attributes. or pkg sudo is needed; aliasing /usr/bin/doas does not work; pkg shadow provides groupadd and related tools, needed by nix install script; the install script might not behave with ash so install bash Upgrading Nix. You can also switch to a specific generation: $ nix-env - The outputs can be listed as packages in environment. some-package $ nix-env --rollback Garbage collection. , this is not the installed MPlayer, even though the version is the same!) To show the status of available packages: $ nix-env --query --available --status -P- firefox-1. 20. list 28974 nix-packages. We inspected the dependencies and reverse Sometimes you need to pass a simple Nix expression to customize a package like Terraform: #! /usr/bin/env nix-shell #! nix-shell -i bash --packages 'terraform. Synopsis. nix-env {--uninstall | -e} drvnames. You may make use of this fact for some more arcane invocations. It is possible to remove several packages with a wildcard: nix-env-e "*". nixpkgs/config. 21. /. 1, in particular this NixOS Docker image. 0 package with nix-env -iA nixos. withPackages (p: [ p. nix. Search more than 120 000 packages. 0pre3 . Export and run your project as a devcontainer or cloud dev env. The following will allow nix to use as many jobs as the number of CPUs: /etc/nix Yeah, see NixOS/nixpkgs#33057 (comment). pros. The --set operation modifies the current generation of a profile so that it contains exactly the specified derivation, and nothing else. nix Basics Packages Scripts Tasks Languages Languages Overview Supported languages Supported languages Ansible C Clojure Cplusplus Crystal Cue Dart Deno Dotnet Elixir Elm Erlang Fortran Sometimes you need to pass a simple Nix expression to customize a package like Terraform: #! /usr/bin/env nix-shell #! nix-shell -i bash --packages "terraform. nix). python34Packages. nix-env--list-generations. Check which Nix version will be installed, for example from one of the release channels such as nixpkgs-unstable: $ nix-shell -p nix -I nixpkgs=channel:nixpkgs-unstable --run "nix --version" nix (Nix) 2. In the opening of the Nix Manual - Environment Variables chapter: The first directory contains the Nix tools themselves, while ~/. by nix-env), Search more than 120 000 packages. After some googling I found a nix-env command in the following form: nix-env -f '<nixpkgs>' -qaPA haskellPackages|grep reflex-dom. 0pre3 It should download prebuilt packages by default without needing extra options because the developers who operate cache. However, when we wanna use dynamic user or other users to access the packages installed by Nix, we may encounter Nox provides, among other things, an easier interface to nix-env for querying and installing packages. These are extended regular expressions that must match the entire name of the 14 votes, 14 comments. These are Name. devenv test builds your developer environment and makes sure that all checks pass. Example: nix-env -qaP | grep hugo. nix $ nix-channel --update nixpkgs $ nix-env --upgrade '*' The latter command will upgrade each installed package for which there is a “newer” version (as determined by comparing the version numbers). To show available packages: $ nix-env --query --available firefox-1. service sudo systemctl disable nix-daemon. , this is not the installed MPlayer, even though the version is To show available packages: $ nix-env --query --available firefox-1. These upgrade instructions apply where Nix was installed following the installation instructions in this manual. nix-env -u '*' updates whenever the package in question has to be rebuilt, but it will still try to find the most recent version. I can successfully create Python environment with numpy: nix-shell -p 'python310. nix flake info; If that directory is a Nix profile, it will upgrade the nix package in that profile to the latest stable binary release. , how to obtain, install, upgrade, and erase packages. Now, we can install nix packages! We will use nix-env to install them. nix with their modifications--which can be further modified by others. Generally you should avoid using nix-env for package installation as it doesn’t The Nix Packages collection (Nixpkgs) is a set of thousands of packages for the Nix package manager, released under a permissive MIT license. For instance, to find out what packages would be upgraded by nix-env --upgrade , you can do I usually use tab-completion in nix repl or browse the all-packages. This is an easy way to copy user environment elements from one profile to another. This will not affect your normal environment: [nix-shell:~]$ cowsay Hello, Nix! | lolcat Exiting the shell will make the programs disappear again: So far, I have been trying out the Nix package manager by nix-env -i installing packages. With the read–eval–print loop (REPL) of nix you can browse packages interactively. ️ Elasticsearch instance graciously provided by Bonsai. ’nix-env’ is a command-line tool that allows you to manipulate and query the installed packages in your Nix user environment. In particular, PATH should contain the directories prefix/bin and ~/. ). Manipulate and select channels. Choose the Nix environment you'd like to Using the nix-env command. What needs to be done to make Ubuntu's SystemD aware of the SystemD modules that come from Nix packages? Let's try finding the Nix installed . nix or shell. ${compiler}. 2. This is equivalent to running nix-env -e '. nix-profile). . Packages are available for several platforms, and can be used with the Nix package manager on most GNU/Linux distributions as well as NixOS. fetch-deps, copy that generated file (the location will be printed by the script) and set the nugetDeps attribute in buildDotnetModule to point to that generated file (ie. Environment Variables. Restart VS Code (to make sure that nix-shell is in the PATH) Install the extension. For newcomers, we can think of Nix as a supercharged package manager. 17K subscribers in the NixOS community. 34s system 60% cpu 1:01. nix profile store the flake reference when you install which means it can look up the same flake reference and update in a more sensible manner. nix file. A Nix expression describes everything that goes into a package build action (a “derivation”): other packages, sources, the build script, environment variables for the build script, etc. After that the package will build normally. So I'm not surprised something else that uses this "feature" broke after #33057. This is an easy way to copy user environment elements from one profile to $ nix-env --upgrade --attr nixpkgs. nodePackages to list for available packages. Removing a multi-user installation depends on the operating system. When evaluating Nix expressions, the expression evaluator will automatically try to call functions that it encounters. $ A lot of documentation about package management and configuration of vim in nix is stored at in nixpkgs. nix-env - manipulate or query Nix user environments. nix flake check; 8. openstack ])' terraform apply Note. nix env shell - run a shell in which the specified packages are available; Options Logging-related options--debug. nix-env -u updates if a new version of the installed packages is available based on their pname and version attributes (simplified). it's very slow and requires a lot of memory; Using the nix repl environment. haskell. callCabal2nix "bhoogle" (. 1 MPlayer-1. Linux. Now I want to know which Haskell packages in which versions are installed and used in this shell. socket nix-daemon. org build most or all of the packages defined by the official NixOS channels, and they store the results there. Open Command Palette (Ctrl + Shift + P) and run Nix-Env: Select Environment command. --file / -f path Environment Variables. nix file that builds a derivation (at least my understanding of it). As explained in the nixpkgs manual, it uses the widely used `setup. By far this is the best feature of the Nix package manager as you get to use/test packages that are not even installed! For this, you can use the nix shell which lets you use an interactive shell with the specified package, and once closed, you can no longer access that package. ; devenv gc Hi, I want to build virtual Python environment with some base packages provided by nixpkg and the rest installed by Pip (my real use case is more complicated, based on Flakes + Poetry + poetry2nix, but it behaves the same). You can also switch to a specific generation: $ nix-env --switch-generation 43 Today I got into nix. Having said this: nix-env -u in The above (a single package/derivation) can successfully be installed with nix-env -if dep-terraform. 0-1 nixos. nix-profile is a symbolic link to the current user environment (an automatically generated package consisting of symlinks to installed packages). org/flakes?type=packages 2. Several commands, such as nix-env --query and nix-env --install , take a list of arguments that specify the packages on which to operate. Yes, it ensures the packages are available in /nix/store/ (or whatever your store directory is), but it doesn't create a system path (like you would find at /run/current-system/sw on a NixOS system) or a user environment (like you would find in ~/. libraries) that depend on a primary package and can be loaded or installed separately? Example: Coq (coq-8. remove package: nix-env -e neovim; upgrade a package: nix-env -uA nixpkgs. These are extended regular expressions that must There is a web service to search for 1. x although running nix-build --run-env produces a similar environment. 43. numpy. Here is the basic usage of nix, most In this guide, I will share two ways to install and remove packages on NixOS: Using the Nix package manager, you can only install packages but not services like SSH or Plex server. neovim, upgrade all packages: nix-env -u; A quick way you can install is just to head to the search site that I mentioned before, search for the The default CLI (nix-env, nix-shell, nix-build, nix-repl, nix-store, etc. Install packages into the system through user profiles. Every time we change the environment, a new generation is created. pkgs. Like the others have mentioned, just nix+home-manager can set up your user (install packages/fonts, link dotfiles etc) but not any of the system level stuff that might also affect the user (e. man nix-env-<operation>. When you uninstall a package like this $ nix-env --uninstall firefox the package isn’t deleted from the system right away (after all, you might want to do a rollback, or it might be in the profiles of other users). $ nix-env -qaPA nixos. nix, and it's more familiar for users who are used to traditional package managers. I've got a default. The workaround for this problem is uninstall all the packages with nix-env --uninstall '*'. nix daemon - daemon to perform store operations on behalf of non-root clients; nix derivation - Work with derivations, Nix's notion of a build plan. Example: man nix-env-install. options at search. nix file :-) (unless I know or attempt to guess the attrpath) Side notes: If you tried to have multiple versions in a single profile at once (e. wcrcg aejs ytwzsn sxlivept kkvg whst nnhwz uwwp sesauf dvlvj