Nixos-generate-config - Revision history

Pigs: move ssd trim info to filesystems wiki page, other minor formatting

2025-05-24T18:00:58Z

move ssd trim info to filesystems wiki page, other minor formatting

← Older revision		Revision as of 18:00, 24 May 2025
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	Generate NixOS configuration modules.		Generate NixOS configuration modules.

	This command is part of the ~~<code>~~nixos-install-tools~~</code>~~ package. It analyzes your hardware configuration and generates two files of:		This command is part of the {{nixos:package\|nixos-install-tools}} package. It analyzes your hardware configuration and generates two files of:
	* <code>/etc/nixos/configuration.nix</code> - the main system configuration file.		* <code>/etc/nixos/configuration.nix</code> - the main system configuration file.
	* <code>/etc/nixos/hardware-configuration.nix</code> - a hardware-specific configuration file, including detected devices and modules.		* <code>/etc/nixos/hardware-configuration.nix</code> - a hardware-specific configuration file, including detected devices and modules.

			For details on configuring the system configuration file, see [[Overview of the NixOS Linux distribution#Declarative Configuration]].

	= Usage =		= Usage =
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	</syntaxhighlight>		</syntaxhighlight>

	= ~~Hardware~~ specific ~~notes~~ =		= Specifying specific hardware =

	~~If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:~~

	~~{{file\|/etc/nixos/configuration.nix\|nix\|~~
	~~<nowiki>~~
	~~fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];~~
	~~</nowiki>~~
	}}

	A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository]		A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository].

	[[Category:NixOS]]		[[Category:NixOS]]
	[[Category:Configuration]]		[[Category:Configuration]]

Pigs: Add category nixos and configuration

2025-05-18T17:03:03Z

Add category nixos and configuration

← Older revision		Revision as of 17:03, 18 May 2025
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	A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository]		A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository]

			[[Category:NixOS]]
			[[Category:Configuration]]

Pigs: change syntax highlighting to console

2025-04-21T06:04:55Z

change syntax highlighting to console

← Older revision		Revision as of 06:04, 21 April 2025
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	= Usage =		= Usage =

	<syntaxHighlight lang=~~bash~~>		<syntaxHighlight lang=console>
	# nixos-generate-config		# nixos-generate-config
	</syntaxHighlight>		</syntaxHighlight>
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	To generate configuration files with a specific root directory (commonly used during installation):		To generate configuration files with a specific root directory (commonly used during installation):

	<syntaxhighlight lang="~~bash~~">		<syntaxhighlight lang="console">
	# nixos-generate-config --root /mnt		# nixos-generate-config --root /mnt
	</syntaxhighlight>		</syntaxhighlight>
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	To print the detected hardware configuration to standard output without writing to disk:		To print the detected hardware configuration to standard output without writing to disk:

	<syntaxhighlight lang="~~bash~~">		<syntaxhighlight lang="console">
	# nixos-generate-config --show-hardware-config		# nixos-generate-config --show-hardware-config
	</syntaxhighlight>		</syntaxhighlight>

Pigs: Includes usage and fill out details

2025-04-21T05:45:50Z

Includes usage and fill out details

@@ Line 1: / Line 1: @@
 <syntaxHighlight lang=bash>
 # nixos-generate-config
 </syntaxHighlight>
-This command is part of the <code>nixos-install-tools</code> package. It analyzes your hardware configuration and generates two files of:
+This will create configuration files based on the currently mounted system. This is typically used where NixOS is already installed. By default, <code>nixos-generate-config</code> will not overwrite an existing <code>configuration.nix</code>. To force overwrite an existing file, pass the <code>--force</code> option.
-* <code>/etc/nixos/configuration.nix</code>
-* <code>/etc/nixos/hardware-configuration.nix</code>
+== Generate configuration for a target root ==
-== hardware specific notes ==
+= Hardware specific notes =
 If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:

Pigs at 03:55, 21 April 2025

2025-04-21T03:55:30Z

← Older revision		Revision as of 03:55, 21 April 2025
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	This command is part of the <code>nixos-install-tools</code> package. It analyzes your hardware configuration and generates two files of:		This command is part of the <code>nixos-install-tools</code> package. It analyzes your hardware configuration and generates two files of:
	* <code>configuration.nix</code>		* <code>/etc/nixos/configuration.nix</code>
	* <code>hardware-configuration.nix</code>		* <code>/etc/nixos/hardware-configuration.nix</code>

	== hardware specific notes ==		== hardware specific notes ==

	If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:		If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:

	<~~syntaxHighlight lang=nix~~>		{{file\|/etc/nixos/configuration.nix\|nix\|
			<nowiki>
	fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];		fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];
	</~~syntaxHighlight~~>		</nowiki>
			}}

	A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository]		A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository]

Incog267: Fixed slight inaccuracy

2025-04-10T08:34:01Z

Fixed slight inaccuracy

← Older revision		Revision as of 08:34, 10 April 2025
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			<syntaxHighlight lang=bash>
			# nixos-generate-config
			</syntaxHighlight>

	This command is part of the <code>nixos-install-tools</code> package. It analyzes your hardware configuration and generates two files of:		This command is part of the <code>nixos-install-tools</code> package. It analyzes your hardware configuration and generates two files of:
	* <code>configuration.nix</code>		* <code>configuration.nix</code>

Iwanb: Say from which package nixos-generate-config comes from.

2024-12-04T15:56:26Z

Say from which package nixos-generate-config comes from.

← Older revision		Revision as of 15:56, 4 December 2024
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	This command analyzes your hardware configuration and generates two files of:		This command is part of the <code>nixos-install-tools</code> package. It analyzes your hardware configuration and generates two files of:
	* <code>configuration.nix</code>		* <code>configuration.nix</code>
	* <code>hardware-configuration.nix</code>		* <code>hardware-configuration.nix</code>

imported>Makefu: cleanup

2018-11-25T11:39:19Z

cleanup

← Older revision		Revision as of 11:39, 25 November 2018
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	This command analyzes your hardware configuration and generates two files of:		This command analyzes your hardware configuration and generates two files of:
	configuration.nix		* <code>configuration.nix</code>
	hardware-configuration.nix		* <code>hardware-configuration.nix</code>

	~~Notes:~~		== hardware specific notes ==

	If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:		If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:

			<syntaxHighlight lang=nix>
	fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];		fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];
			</syntaxHighlight>

	~~(apologies have no idea how to format the above~~.~~..)~~		A collection of hardware specific platforms with their config can be found at [https://github.com/NixOS/nixos-hardware NixOS Hardware repository]

imported>Chrissound: Created page with "This command analyzes your hardware configuration and generates two files of: configuration.nix hardware-configuration.nix Notes: If you are using an SSD it may be useful to..."

2018-11-25T10:53:57Z

Created page with "This command analyzes your hardware configuration and generates two files of: configuration.nix hardware-configuration.nix Notes: If you are using an SSD it may be useful to..."

New page

This command analyzes your hardware configuration and generates two files of:
configuration.nix
hardware-configuration.nix

Notes:

If you are using an SSD it may be useful to enable TRIM support as well as set filesystem flags to improve the SSD performance:

fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];

(apologies have no idea how to format the above...)