Ubuntu vs. NixOS - Revision history

DHCP: formatting and style fixes :-)

2026-06-01T12:18:37Z

formatting and style fixes :-)

← Older revision		Revision as of 12:18, 1 June 2026
Line 88:		Line 88:
	\|-		\|-
	\|Uninstall a package		\|Uninstall a package
	\|<syntaxhighlight lang="~~bash~~">sudo apt-get remove emacs</syntaxhighlight>		\|<syntaxhighlight lang="console">$ sudo apt-get remove emacs</syntaxhighlight>
	\|remove from /etc/nixos/configuration.nix		\|remove from /etc/nixos/configuration.nix
	<syntaxhighlight lang="console">$ sudo nixos-rebuild switch</syntaxhighlight>		<syntaxhighlight lang="console">$ sudo nixos-rebuild switch</syntaxhighlight>
Line 121:		Line 121:
	<syntaxhighlight lang="console">$ nix-store -q --tree /nix/var/nix/profiles/system</syntaxhighlight>		<syntaxhighlight lang="console">$ nix-store -q --tree /nix/var/nix/profiles/system</syntaxhighlight>
	(/run/current-system and /nix/var/nix/profiles/system are symbolic links that eventually end up at the same place.)		(/run/current-system and /nix/var/nix/profiles/system are symbolic links that eventually end up at the same place.)
	\|<syntaxhighlight lang="console">$ nix-store --query --references\		\|<syntaxhighlight lang="console">$ nix-store --query --references \
	$(nix-instantiate '<nixpkgs>' -A emacs)</syntaxhighlight>		$(nix-instantiate '<nixpkgs>' -A emacs)</syntaxhighlight>
	For installed packages:		For installed packages:
Line 144:		Line 144:
	\|Select major version and stable/unstable		\|Select major version and stable/unstable
	\|Change sources.list and apt-get dist-upgrade. A an extremely infrequent and destructive operation. The nix variants are safe and easy to use.		\|Change sources.list and apt-get dist-upgrade. A an extremely infrequent and destructive operation. The nix variants are safe and easy to use.
	\|<syntaxhighlight lang="console">$ nix-channel --add\		\|<syntaxhighlight lang="console">$ nix-channel --add \
	https://nixos.org~~/channels~~/nixpkgs-unstable <name></syntaxhighlight>		https://channels.nixos.org/nixpkgs-unstable <name></syntaxhighlight>
	Add the unstable channel. At that address you will find names for other versions and variants. Name can be any string.		Add the unstable channel. At that address you will find names for other versions and variants. Name can be any string.
	<syntaxhighlight lang="console">$ nix-channel --remove <name></syntaxhighlight>		<syntaxhighlight lang="console">$ nix-channel --remove <name></syntaxhighlight>
Line 167:		Line 167:
	$ nix-shell \		$ nix-shell \
	-p vim \		-p vim \
	-I nixpkgs=\https://github.com/NixOS/nixpkgs/archive/4bba6650a6a5a2009e25bdeed8c1e871601a9bfb.tar.gz		-I nixpkgs=https://github.com/NixOS/nixpkgs/archive/4bba6650a6a5a2009e25bdeed8c1e871601a9bfb.tar.gz
	</syntaxhighlight>		</syntaxhighlight>
	\|		\|
Line 198:		Line 198:
	/nix/store/ji06y4haijly0i0knmr986l2dajffv1p-emacs-24.4/bin/emacs-24.4</syntaxhighlight>		/nix/store/ji06y4haijly0i0knmr986l2dajffv1p-emacs-24.4/bin/emacs-24.4</syntaxhighlight>
	then		then
	<syntaxhighlight lang="console">$du -a /nix/store/ji06y4haijly0i0knmr986l2dajffv1p-emacs-24.4</syntaxhighlight>		<syntaxhighlight lang="console">$ du -a /nix/store/ji06y4haijly0i0knmr986l2dajffv1p-emacs-24.4</syntaxhighlight>
	\|<syntaxhighlight lang="console"></syntaxhighlight>		\|<syntaxhighlight lang="console"></syntaxhighlight>
	\|-		\|-
	\|Show package for file		\|Show package for file
	\|<syntaxhighlight lang="console">$ dpkg -S /usr/bin/emacs</syntaxhighlight>		\|<syntaxhighlight lang="console">$ dpkg -S /usr/bin/emacs</syntaxhighlight>
	\|follow the symlink or <syntaxhighlight lang="console">nix-locate /bin/emacs</syntaxhighlight> (requires <syntaxhighlight lang="console">nix-index</syntaxhighlight> package)		\|follow the symlink or <syntaxhighlight lang="console">$ nix-locate /bin/emacs</syntaxhighlight> (requires <syntaxhighlight lang="console">$ nix-index</syntaxhighlight> package)
	\|(same)		\|(same)
	\|-		\|-
Line 220:		Line 220:
	\| Enable a service		\| Enable a service
	\| <syntaxhighlight lang="console">$ sudo systemctl enable apache</syntaxhighlight>		\| <syntaxhighlight lang="console">$ sudo systemctl enable apache</syntaxhighlight>
	\| In /etc/nixos/configuration.nix, add <syntaxhighlight lang="~~console~~">services.tor.enable = true;</syntaxhighlight>, then run <syntaxhighlight lang="console">$ sudo nixos-rebuild switch</syntaxhighlight>		\| In /etc/nixos/configuration.nix, add <syntaxhighlight lang="nix">services.tor.enable = true;</syntaxhighlight>, then run <syntaxhighlight lang="console">$ sudo nixos-rebuild switch</syntaxhighlight>
	\|-		\|-
	\| Disable a service		\| Disable a service
	\| <syntaxhighlight lang="console">$ sudo systemctl disable apache</syntaxhighlight>		\| <syntaxhighlight lang="console">$ sudo systemctl disable apache</syntaxhighlight>
	\| In /etc/nixos/configuration.nix, add <syntaxhighlight lang="~~console~~">services.tor.enable = false;</syntaxhighlight>, then run <syntaxhighlight lang="console">$ sudo nixos-rebuild switch</syntaxhighlight>		\| In /etc/nixos/configuration.nix, add <syntaxhighlight lang="nix">services.tor.enable = false;</syntaxhighlight>, then run <syntaxhighlight lang="console">$ sudo nixos-rebuild switch</syntaxhighlight>
	\|-		\|-
	\|Where your log files live		\|Where your log files live
Line 233:		Line 233:
	\|Adding a user		\|Adding a user
	\|<syntaxhighlight lang="console">$ sudo adduser alice</syntaxhighlight>		\|<syntaxhighlight lang="console">$ sudo adduser alice</syntaxhighlight>
	\|Add <syntaxhighlight lang="nix">users.users.alice =		\|Add <syntaxhighlight lang="nix">users.users.alice = {
	{ isNormalUser = true;		isNormalUser = true;
	home = "/home/alice";		home = "/home/alice";
	description = "Alice Foobar";		description = "Alice Foobar";
	extraGroups = [ "wheel" "networkmanager" ];		extraGroups = [ "wheel" "networkmanager" ];
	openssh.authorizedKeys.keys =		openssh.authorizedKeys.keys =
	[ "ssh-dss AAAAB3Nza... alice@foobar" ];		[ "ssh-dss AAAAB3Nza... alice@foobar" ];
	};</syntaxhighlight> to /etc/nixos/configuration.nix and then call <syntaxhighlight lang="~~nix~~">nixos-rebuild switch</syntaxhighlight>		};</syntaxhighlight> to /etc/nixos/configuration.nix and then call <syntaxhighlight lang="console">$ nixos-rebuild switch</syntaxhighlight>
	\|		\|
	\|-		\|-
Line 247:		Line 247:
	\|List binaries		\|List binaries
	\|<syntaxhighlight lang="console">$ ls /usr/bin/</syntaxhighlight>		\|<syntaxhighlight lang="console">$ ls /usr/bin/</syntaxhighlight>
	\|<syntaxhighlight lang="console">$ ls /run/current-system/sw/bin &&\		\|<syntaxhighlight lang="console">$ ls /run/current-system/sw/bin && \
	ls /nix/var/nix/profiles/default/bin/</syntaxhighlight>		ls /nix/var/nix/profiles/default/bin/</syntaxhighlight>
	\|<syntaxhighlight lang="console">$ ls ~/.nix-profile/bin</syntaxhighlight>		\|<syntaxhighlight lang="console">$ ls ~/.nix-profile/bin</syntaxhighlight>
	\|-		\|-
Line 257:		Line 257:
	\|-		\|-
	\|Get sources for a package		\|Get sources for a package
	\|<syntaxhighlight lang="~~bash~~">$ sudo apt-get source emacs</syntaxhighlight>		\|<syntaxhighlight lang="console">$ sudo apt-get source emacs</syntaxhighlight>
	\|		\|
	\|In Debian, apt-get source gets both the patched upstream source and the recipe for the package. Those need two steps in Nix.		\|In Debian, apt-get source gets both the patched upstream source and the recipe for the package. Those need two steps in Nix.

	To find the package's attribute path: <syntaxhighlight lang="console">$ nix-env -qaP emacs</syntaxhighlight> or <syntaxhighlight lang="console">$ nox emacs</syntaxhighlight>		To find the package's attribute path: <syntaxhighlight lang="console">$ nix-env -qaP emacs</syntaxhighlight> or <syntaxhighlight lang="console">$ nox emacs</syntaxhighlight>
	To download the source as specified by the package recipe: <syntaxhighlight lang="~~bash~~">nix-build '<nixpkgs>' -A emacs.src</syntaxhighlight>		To download the source as specified by the package recipe: <syntaxhighlight lang="console">$ nix-build '<nixpkgs>' -A emacs.src</syntaxhighlight>
	The patched source is usually not a derivation itself, but can be produced for most packages with the following command: <syntaxhighlight lang="~~bash~~">nix-shell '<nixpkgs>' -A emacs\		The patched source is usually not a derivation itself, but can be produced for most packages with the following command: <syntaxhighlight lang="console">$ nix-shell '<nixpkgs>' -A emacs \
	--command 'unpackPhase; cd $sourceRoot; patchPhase'</syntaxhighlight>		--command 'unpackPhase; cd $sourceRoot; patchPhase'</syntaxhighlight>
	\|-		\|-
Line 269:		Line 269:
	\|		\|
	\|		\|
	\|<syntaxhighlight lang="console">git clone foobar		\|<syntaxhighlight lang="console">$ git clone foobar
	cat >default.nix <<EOF		$ cat > default.nix <<EOF
	with import <nixpkgs> { };		with import <nixpkgs> { };
	lib.overrideDerivation foobar (oldAttrs : {		lib.overrideDerivation foobar (oldAttrs : {
Line 276:		Line 276:
	})		})
	EOF		EOF
	nix-build</syntaxhighlight>		$ nix-build</syntaxhighlight>
	\|-		\|-
	\|Install a binary package		\|Install a binary package
	\|		\|
	\|		\|
	\|e.g. via [https://github.com/~~Mic92~~/nix-ld#nix-ld nix-ld]		\|e.g. via [https://github.com/nix-community/nix-ld#nix-ld nix-ld]
	\|-		\|-
	\|Install a .deb		\|Install a .deb
	\|<syntaxhighlight lang="console">$ sudo dpkg -i package.deb</syntaxhighlight>		\|<syntaxhighlight lang="console">$ sudo dpkg -i package.deb</syntaxhighlight>
	\|		\|
	\|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.		\|Install dpkg with Nix, then <syntaxhighlight lang="console">$ dpkg -i package.deb</syntaxhighlight> While this is technically possible it will in all likelihood not work.
	\|}		\|}
	</div>		</div>

Vater: see also added

2025-01-19T14:48:15Z

Timka: Formatting

2024-12-28T23:20:22Z

Formatting

← Older revision		Revision as of 23:20, 28 December 2024
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	\|<syntaxhighlight lang="console">$ sudo apt-get update</syntaxhighlight>		\|<syntaxhighlight lang="console">$ sudo apt-get update</syntaxhighlight>
	\|<syntaxhighlight lang="console">$ sudo nix-channel --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		\|Upgrade packages

Sdht0: Remove duplicate header

2024-04-06T18:12:36Z

Remove duplicate header

← Older revision		Revision as of 18:12, 6 April 2024
Line 1:		Line 1:
	~~== Ubuntu vs~~. ~~NixOS ==~~		<!-- TODO''': Provide well-commented sample configuration.nix and ~/.nixpkgs/config.nix files with examples of common tasks. -->

	~~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">		<div class="table-responsive">
	{\| class="wikitable"		{\| class="wikitable"

Mic92: fix links

2024-04-01T14:11:55Z

fix links

← Older revision		Revision as of 14:11, 1 April 2024
Line 162:		Line 162:
	\|Install a particular version of a package		\|Install a particular version of a package
	\|<syntaxhighlight lang="console">$ apt-get install package=version</syntaxhighlight>		\|<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.

Mic92: fix links

2024-04-01T14:10:27Z

fix links

← Older revision		Revision as of 14:10, 1 April 2024
Line 1:		Line 1:
	~~{{Wide page}}~~

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

imported>Skylark: /* Ubuntu vs. NixOS */ Where are packages installed? - missing "in"

2023-10-05T15:48:28Z

Ubuntu vs. NixOS: Where are packages installed? - missing "in"

← Older revision		Revision as of 15:48, 5 October 2023
Line 36:		Line 36:
	\|Where are packages installed?		\|Where are packages installed?
	\|apt installs globally into /bin/, /usr/, etc.		\|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/.		\|User packages are in ~/.nix-profile/. Note that the files are just symlinks to the real packages managed by nix in /nix/store/.
	\|-		\|-

imported>Ncfavier: update nix search command

2022-12-04T13:06:38Z

update nix search command

← Older revision		Revision as of 13:06, 4 December 2022
Line 189:		Line 189:
	\|Find packages		\|Find packages
	\|<syntaxhighlight lang="console">$ apt-cache search emacs</syntaxhighlight>		\|<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		\|Show package description

imported>Fricklerhandwerk: add to cookbook category

2022-07-07T22:37:29Z

add to cookbook category

← Older revision		Revision as of 22:37, 7 July 2022
Line 294:		Line 294:

	</div>		</div>

			[[Category:Cookbook]]

imported>Fricklerhandwerk: Fricklerhandwerk moved page Ubungu vs. NixOS to Ubuntu vs. NixOS: late at night typo

2022-07-07T22:34:10Z

Fricklerhandwerk moved page Ubungu vs. NixOS to Ubuntu vs. NixOS: late at night typo

← Older revision		Revision as of 22:34, 7 July 2022
(No difference)

← Older revision		Revision as of 14:48, 19 January 2025
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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.		\|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]]		[[Category:Cookbook]]