Linux desktop - Revision history

Haars0011: Chappie help

2026-04-03T12:29:25Z

Chappie help

← Older revision		Revision as of 14:29, 3 April 2026
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	The Linux desktop gives you a graphical environment on the ~~Anunna~~ cluster, right inside your web browser. It is useful for running software that needs a screen, such as plotting tools, genome browsers, or graphical editors. You do not need to install anything on your own computer — a web browser and your ~~WUR~~ account are all you need.		The Linux desktop gives you a graphical environment on the cluster, right inside your web browser.

			It is useful for running software that needs a screen, such as plotting tools, genome browsers, or graphical editors. You do not need to install anything on your own computer — a web browser and your Anunna account are all you need.

	The desktop is based on [https://www.xfce.org/ Xfce], a lightweight and user-friendly desktop environment.		The desktop is based on [https://www.xfce.org/ Xfce], a lightweight and user-friendly desktop environment.
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	# Go to http://apps.anunna.wur.nl/.		# Go to http://apps.anunna.wur.nl/.
	# Click the '''XFCE desktop''' tile:		# Click the '''XFCE desktop''' tile:
	#: [[File:XFCE_tile.png]]		#: [[File:XFCE_tile.png\|371x371px]]
	# A launch form appears:		# A launch form appears:
	#: [[File:Minimal_desktop_form.png]]		#: [[File:Minimal_desktop_form.png\|400x400px]]
	# Enter how long you need the desktop (in hours). The desktop will shut down automatically when the time runs out.		# Enter how long you need the desktop (in hours). The desktop will shut down automatically when the time runs out.
	# Click '''Launch'''.		# Click '''Launch'''.
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	Once the session is running you will see an information tile:		Once the session is running you will see an information tile:

	[[File:XFCE_job_info.png]]		[[File:XFCE_job_info.png\|600x600px]]

	Click '''Launch Desktop (XFCE)''' to open the desktop in your browser.		Click '''Launch Desktop (XFCE)''' to open the desktop in your browser.
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	The '''Applications''' menu in the top-left corner gives access to the same applications, plus '''Settings''' for desktop preferences.		The '''Applications''' menu in the top-left corner gives access to the same applications, plus '''Settings''' for desktop preferences.

			=== Using pre-installed software (modules) ===

			Software that is available on Anunna via the <code>module load</code> command works inside the desktop as well. Open a terminal and use modules exactly as you would on the command line. See the [[Modules]] page for more information.

	=== Reconnecting to a running desktop ===		=== Reconnecting to a running desktop ===
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	The default launch form keeps things simple. If you need more control, tick '''Show advanced job options''' on the launch form to reveal additional settings:		The default launch form keeps things simple. If you need more control, tick '''Show advanced job options''' on the launch form to reveal additional settings:

	[[File:Desktop_extended_form.png]]		[[File:Desktop_extended_form.png\|482x482px]]

	Here you can change:		Here you can change:
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	Adjust the settings to match your needs, then click '''Launch'''.		Adjust the settings to match your needs, then click '''Launch'''.

	~~=== Using pre-installed software (modules) ===~~

	Software that is available on Anunna via the <code>module load</code> command works inside the desktop as well. Open a terminal and use modules exactly as you would on the command line. See the [[Modules]] page for more information.

	=== Installing your own software ===		=== Installing your own software ===
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	When you use admin rights, any software you install or files you change inside the system directories are saved automatically. The next time you start a desktop session with admin rights, your changes will still be there. This means you only need to install software once.		When you use admin rights, any software you install or files you change inside the system directories are saved automatically. The next time you start a desktop session with admin rights, your changes will still be there. This means you only need to install software once.

	{{Note\|Changes are stored in a personal ~~overlay~~ on the ~~Anunna~~ filesystem. If you run into disk-space issues or want a clean start, contact the HPC helpdesk.}}		{{Note\|Changes are stored in a personal disk image on the lustre filesystem. If you run into disk-space issues or want a clean start, contact the HPC helpdesk.}}

	== Troubleshooting ==		== Troubleshooting ==

Haars0011 at 12:24, 3 April 2026

2026-04-03T12:24:14Z

Show changes

Haars0011 at 14:48, 27 March 2026

2026-03-27T14:48:41Z

← Older revision		Revision as of 16:48, 27 March 2026
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	The desktop is a [https://www.xfce.org/ Xfce] Desktop Environment. Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.		The desktop is a [https://www.xfce.org/ Xfce] Desktop Environment. Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.

			'''Important: Only start a single desktop, otherwise things won't work!'''

	=== Starting a desktop ===		=== Starting a desktop ===
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	===== Default form =====		===== Default form =====
	This will then start up a form:		This will then start up a form:
			[[File:Minimal desktop form.png\|none\|thumb]]
	[[File:~~Basic XFCE~~ form.png\|~~frameless~~]]

	If you click "Launch", a desktop job will be started with a maximum duration that you entered.		If you click "Launch", a desktop job will be started with a maximum duration that you entered.

	==== Extended form ====		==== Extended form ====
	You can also select the "Show advanced job options", and then the following form will appear:		You can also select the "Show advanced job options", and then the following form will appear:
			[[File:Desktop extended form.png\|none\|thumb]]

	~~[[File:XFCE form extended.png\|frameless]]~~

			An important option is that here you can select the "admin rights". With that you will become super user (root) inside your container.

			That way you can install software yourself.

	Adapt to what you need, click "Launch", and a desktop job will be started with the options that you entered.		Adapt to what you need, click "Launch", and a desktop job will be started with the options that you entered.

	=== Getting acces to the desktop ===		=== Getting acces to the desktop ===
	Once the job is started, you will be shown an informational tile like this:		Once the job is started, you will be shown an informational tile like this:

	[[File:XFCE job info.png\|frameless]]		[[File:XFCE job info.png\|frameless]]



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	[[File:XFCE desktop.png\|frameless]]		[[File:XFCE desktop.png\|frameless]]



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	[[File:XFCE tile after.png\|frameless]]		[[File:XFCE tile after.png\|frameless]]



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	=== Running already installed software (using modules) ===		=== Running already installed software (using modules) ===
			[[Modules]] just work inside the container, you can use them as you are used.

	=== Installing your own software ===		=== Installing your own software ===
			To install your own software, start the container with the "admin rights" option enabled.

			This will create an overlay container, stored on lustre, so any changes you make will be preserved between startups.

			Beside that, you will be super user inside the container.

	~~=== Starting from scratch~~. ~~===~~		That is easy to spot if you open a terminal. Instead of your username, you will see root as the active user.

Haars0011 at 09:26, 3 March 2026

2026-03-03T09:26:09Z

← Older revision		Revision as of 11:26, 3 March 2026
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	If you click "Launch", a desktop job will be started with a maximum duration that you entered.		If you click "Launch", a desktop job will be started with a maximum duration that you entered.

	Extended form		==== Extended form ====

	You can also select the "Show advanced job options", and then the following form will appear:		You can also select the "Show advanced job options", and then the following form will appear:

Haars0011 at 09:25, 3 March 2026

2026-03-03T09:25:54Z

@@ Line 24: / Line 24: @@
 Adapt to what you need, click "Launch", and a desktop job will be started with the options that you entered.
-=== Getting started on the desktop ===
+=== Getting acces to the desktop ===
 === Running already installed software (using modules) ===

Haars0011 at 09:04, 3 March 2026

2026-03-03T09:04:14Z

← Older revision		Revision as of 11:04, 3 March 2026
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	=== Starting a desktop ===		=== Starting a desktop ===
	To start a desktop, go to http://apps.anunna.wur.nl/, and select the desktop tile:		To start a desktop, go to http://apps.anunna.wur.nl/, and select the desktop tile:

	[[File:XFCE tile.png\|frameless\|124x124px]]		[[File:XFCE tile.png\|frameless\|124x124px]]

Haars0011: Added form info

2026-03-03T09:03:49Z

Added form info

← Older revision		Revision as of 11:03, 3 March 2026
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	=== Starting a desktop ===		=== Starting a desktop ===
			To start a desktop, go to http://apps.anunna.wur.nl/, and select the desktop tile:
			[[File:XFCE tile.png\|frameless\|124x124px]]

			===== Default form =====
			This will then start up a form:

			[[File:Basic XFCE form.png\|frameless]]

			If you click "Launch", a desktop job will be started with a maximum duration that you entered.

			Extended form

			You can also select the "Show advanced job options", and then the following form will appear:

			[[File:XFCE form extended.png\|frameless]]


			Adapt to what you need, click "Launch", and a desktop job will be started with the options that you entered.

	=== Getting started on the desktop ===		=== Getting started on the desktop ===

Haars0011: stub page

2026-03-03T08:55:21Z

stub page

New page

To enable users to run their own Linux software that has graphical output, we have created a Linux desktop.

The desktop is a [https://www.xfce.org/ Xfce] Desktop Environment. Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.

=== Starting a desktop ===

=== Getting started on the desktop ===

=== Running already installed software (using modules) ===

=== Installing your own software ===

=== Starting from scratch. ===