Ubuntu vs. NixOS: Difference between revisions

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~~{{Wide page}}~~

~~== Ubuntu vs~~. ~~NixOS ==~~

~~The system-wide column is the equivalent of using <code>apt</code> under Ubuntu.~~

~~~~

{| class="wikitable"

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|Where are packages installed?

|apt installs globally into /bin/, /usr/, etc.

|System-wide packages are in /run/current-system/sw/ (these are installed because of /etc/nixos/configuration.nix) and /nix/var/nix/profiles/default/bin/ (this is the profile managed by root). Note that the files are just symlinks to the real packages managed by nix /nix/store/.

|System-wide packages are in /run/current-system/sw/ (these are installed because of /etc/nixos/configuration.nix) and /nix/var/nix/profiles/default/bin/ (this is the profile managed by root). Note that the files are just symlinks to the real packages managed by nix in /nix/store/.

|User packages are in ~/.nix-profile/. Note that the files are just symlinks to the real packages managed by nix in /nix/store/.

|-

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|<syntaxhighlight lang="console">$ sudo apt-get update</syntaxhighlight>

|<syntaxhighlight lang="console">$ sudo nix-channel --update</syntaxhighlight>

|<syntaxhighlight lang="console">$nix-channel --update</syntaxhighlight>

|<syntaxhighlight lang="console">$ nix-channel --update</syntaxhighlight>

|-

|Upgrade packages

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|Install a particular version of a package

|<syntaxhighlight lang="console">$ apt-get install package=version</syntaxhighlight>

|Although Nix on its own doesn't understand the concept of package versioning, you can install and play with older (or newer!) software via ~~https://nixos.wiki/wiki/~~FAQ/~~Pinning_Nixpkgs~~ with https://lazamar.co.uk/nix-versions.

|Although Nix on its own doesn't understand the concept of package versioning, you can install and play with older (or newer!) software via [[FAQ/Pinning Nixpkgs]] with https://lazamar.co.uk/nix-versions.

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|Find packages

|<syntaxhighlight lang="console">$ apt-cache search emacs</syntaxhighlight>

|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search emacs</syntaxhighlight>

|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search nixpkgs emacs</syntaxhighlight>

|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search emacs</syntaxhighlight>

|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search nixpkgs emacs</syntaxhighlight>

|-

|Show package description

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|Install dpkg with Nix, then <syntaxhighlight lang="bash">dpkg -i package.deb</syntaxhighlight> While this is technically possible it will in all likelihood not work.

|}

</div>

</~~div>~~

== See also ==

* [[Cheatsheet]]

* https://nixcademy.com/cheatsheet/

** https://nixcademy.com/downloads/cheatsheet.pdf

[[Category:Cookbook]]

@@ Line 1: / Line 1: @@
-{{Wide page}}
+<!-- TODO''': Provide well-commented sample configuration.nix and ~/.nixpkgs/config.nix files with examples of common tasks. -->
-== Ubuntu vs. NixOS ==
-The system-wide column is the equivalent of using <code>apt</code> under Ubuntu.
-<!-- TODO''': Provide well-commented sample configuration.nix and ~/.nixpkgs/config.nix files with examples of common tasks. -->
 <div class="table-responsive">
 {| class="wikitable"
@@ Line 36: / Line 32: @@
 |Where are packages installed?
 |apt installs globally into /bin/, /usr/, etc.
-|System-wide packages are in /run/current-system/sw/ (these are installed because of /etc/nixos/configuration.nix) and /nix/var/nix/profiles/default/bin/ (this is the profile managed by root). Note that the files are just symlinks to the real packages managed by nix /nix/store/.
+|System-wide packages are in /run/current-system/sw/ (these are installed because of /etc/nixos/configuration.nix) and /nix/var/nix/profiles/default/bin/ (this is the profile managed by root). Note that the files are just symlinks to the real packages managed by nix in /nix/store/.
 |User packages are in ~/.nix-profile/. Note that the files are just symlinks to the real packages managed by nix in /nix/store/.
 |-
@@ Line 106: / Line 102: @@
 |<syntaxhighlight lang="console">$ sudo apt-get update</syntaxhighlight>
 |<syntaxhighlight lang="console">$ sudo nix-channel --update</syntaxhighlight>
-|<syntaxhighlight lang="console">$nix-channel --update</syntaxhighlight>
+|<syntaxhighlight lang="console">$ nix-channel --update</syntaxhighlight>
 |-
 |Upgrade packages
@@ Line 164: / Line 160: @@
 |Install a particular version of a package
 |<syntaxhighlight lang="console">$ apt-get install package=version</syntaxhighlight>
-|Although Nix on its own doesn't understand the concept of package versioning, you can install and play with older (or newer!) software via https://nixos.wiki/wiki/FAQ/Pinning_Nixpkgs with https://lazamar.co.uk/nix-versions.
+|Although Nix on its own doesn't understand the concept of package versioning, you can install and play with older (or newer!) software via [[FAQ/Pinning Nixpkgs]] with https://lazamar.co.uk/nix-versions.
@@ Line 189: / Line 185: @@
 |Find packages
 |<syntaxhighlight lang="console">$ apt-cache search emacs</syntaxhighlight>
-|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search emacs</syntaxhighlight>
+|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search nixpkgs emacs</syntaxhighlight>
-|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search emacs</syntaxhighlight>
+|<syntaxhighlight lang="console">$ nix-env -qaP '.*emacs.*'</syntaxhighlight> or <syntaxhighlight lang="console">$ nix search nixpkgs emacs</syntaxhighlight>
 |-
 |Show package description
@@ Line 292: / Line 288: @@
 |Install dpkg with Nix, then <syntaxhighlight lang="bash">dpkg -i package.deb</syntaxhighlight> While this is technically possible it will in all likelihood not work.
 |}
+</div>
-</div>
+== See also ==
+* [[Cheatsheet]]
+* https://nixcademy.com/cheatsheet/
+** https://nixcademy.com/downloads/cheatsheet.pdf
+[[Category:Cookbook]]