Open OnDemand - Revision history

Jacobg2: /* Getting Started */

2026-07-07T14:20:53Z

Getting Started

← Older revision		Revision as of 14:20, 7 July 2026
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	=== Getting Started ===		=== Getting Started ===
	To access Open OnDemand, login [https://ood.stat.cmu.edu/~~dex/auth/ldap/login?back=&state=iqxvp3cbpitdiomazu5eih4nc~~ here] with your StatDS username and password. This is the same username and password you would use to access the clusters via ssh on your terminal.		To access Open OnDemand, login [https://ood.stat.cmu.edu/ here] with your StatDS username and password. This is the same username and password you would use to access the clusters via ssh on your terminal.

	After logging in, you should be redirected to your file system. You can navigate through your directories just as you would on your desktop. A nice feature of Open OnDemand is you can automatically upload and download files from your desktop to the department's file system; the secure file transfer is done automatically in a user-friendly manner.		After logging in, you should be redirected to your file system. You can navigate through your directories just as you would on your desktop. A nice feature of Open OnDemand is you can automatically upload and download files from your desktop to the department's file system; the secure file transfer is done automatically in a user-friendly manner.

Ajshen at 03:23, 29 June 2026

2026-06-29T03:23:58Z

← Older revision		Revision as of 03:23, 29 June 2026
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	[[Category:~~PSC~~]]		[[Category:Wright Cluster]]
	[[Category:Department Servers]]		[[Category:Department Servers]]
	[[Category:Remote Server Access]]		[[Category:Remote Server Access]]

Ajshen at 03:23, 29 June 2026

2026-06-29T03:23:01Z

← Older revision		Revision as of 03:23, 29 June 2026
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			[[Category:PSC]]
			[[Category:Department Servers]]
			[[Category:Remote Server Access]]

	Open OnDemand provides easy, remote web access to supercomputers and computing clusters, without the need for a command-line interface. Instead of accessing the hydra and ghidorah clusters via your terminal, Open OnDemand provides a user interface for accessing and modifying files and submitting jobs. No installation is required -- everything can be accessed within the browser.		Open OnDemand provides easy, remote web access to supercomputers and computing clusters, without the need for a command-line interface. Instead of accessing the hydra and ghidorah clusters via your terminal, Open OnDemand provides a user interface for accessing and modifying files and submitting jobs. No installation is required -- everything can be accessed within the browser.

Jacobg2: /* Limiting Resource Usage */

2026-03-10T14:15:30Z

Limiting Resource Usage

← Older revision		Revision as of 14:15, 10 March 2026
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	==== Limiting Resource Usage ====		==== Limiting Resource Usage ====
	Limiting your resource usage on servers can ~~also be helpful. If you submit a large job directly using the terminal, it's possible that the~~ server ~~will become overloaded and lock up~~. ~~A way to avoid that is to submit a job using~~ a submit script similar to the one below~~. Restricting~~ the number of CPU ~~corse~~ and RAM ~~you use will help prevent server lock ups~~.<syntaxhighlight lang="bash">		Limiting your resource usage on servers can help prevent server locks. Use a submit script, similar to the one below, to limit the number of CPU cores and RAM.<syntaxhighlight lang="bash">
	#!/bin/sh		#!/bin/sh
	#SBATCH --partition Leviathans		#SBATCH --partition Leviathans

Jacobg2: /* Restricting Resources */

2026-03-10T12:11:01Z

Restricting Resources

← Older revision		Revision as of 12:11, 10 March 2026
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	You can also specify a path to a job you have already created. Click "From Specified Path" and enter the source path, i.e. the path to the directory containing your .sh file. Once you have done that, you can specify the name of the script under Script name, i.e. the name of the .sh file in the directory you've navigated to. You can then click "Run" just as you have with your other jobs.		You can also specify a path to a job you have already created. Click "From Specified Path" and enter the source path, i.e. the path to the directory containing your .sh file. Once you have done that, you can specify the name of the script under Script name, i.e. the name of the .sh file in the directory you've navigated to. You can then click "Run" just as you have with your other jobs.

	==== ~~Restricting Resources~~ ====		==== Limiting Resource Usage ====
	Limiting your resource usage on servers can also be helpful. If you submit a large job directly using the terminal, it's possible that the server will become overloaded and lock up. A way to avoid that is to submit a job using a submit script similar to the one below. Restricting the number of CPU corse and RAM you use will help prevent server lock ups.<syntaxhighlight lang="bash">		Limiting your resource usage on servers can also be helpful. If you submit a large job directly using the terminal, it's possible that the server will become overloaded and lock up. A way to avoid that is to submit a job using a submit script similar to the one below. Restricting the number of CPU corse and RAM you use will help prevent server lock ups.<syntaxhighlight lang="bash">
	#!/bin/sh		#!/bin/sh

Jacobg2 at 12:10, 10 March 2026

2026-03-10T12:10:46Z

@@ Line 39: / Line 39: @@
 ==== Submitting a Script from a Specified Path ====
 You can also specify a path to a job you have already created. Click "From Specified Path" and enter the source path, i.e. the path to the directory containing your .sh file. Once you have done that, you can specify the name of the script under Script name, i.e. the name of the .sh file in the directory you've navigated to. You can then click "Run" just as you have with your other jobs.
 ==== Wright GPU Cluster ====
 Open OnDemand is also available for the Wright GPU cluster. Documentation can be found [[Open OnDemand Wright|here]].

Jacobg2: /* Hydras and Ghidorah Templates */

2026-03-10T11:58:09Z

Hydras and Ghidorah Templates

← Older revision		Revision as of 11:58, 10 March 2026
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	To submit or compose a job, navigate to the "Jobs" drop down in the top left of the screen, and select "Job Composer." This will take you to the job composer page, where you can select the "New Job" drop down. To start from the default template, just click "From Default Template" and in the right hand panel, scroll down to where the .sh script is shone and click "Open Editor" to edit the script itself. Once you are ready to submit the job, simply click the job in your list of potential jobs, and click submit. The job will show a status of "Queued," "Running," or "Completed" and you can view output files in the right hand panel once it has completed running.		To submit or compose a job, navigate to the "Jobs" drop down in the top left of the screen, and select "Job Composer." This will take you to the job composer page, where you can select the "New Job" drop down. To start from the default template, just click "From Default Template" and in the right hand panel, scroll down to where the .sh script is shone and click "Open Editor" to edit the script itself. Once you are ready to submit the job, simply click the job in your list of potential jobs, and click submit. The job will show a status of "Queued," "Running," or "Completed" and you can view output files in the right hand panel once it has completed running.

	==== ~~Hydras~~ and Ghidorah Templates ====		==== Hydra, Leviathan, and Ghidorah Templates ====
	If you click "From Template," you can choose to submit a job on the hydras or ghidorahs. Simply pick the template you want to use -- either Hydra Job for the hydras or Ghidorah Job for the ghidorahs -- and click "Create New Job." You can then modify the submit.sh script as before to select ''which'' ~~hydra or ghidorah~~ you want to use as follows:<syntaxhighlight lang="bash">		If you click "From Template," you can choose to submit a job on the hydras, leviathans, or ghidorahs. Simply pick the template you want to use -- either Hydra Job for the hydras or Ghidorah Job for the ghidorahs -- and click "Create New Job." You can then modify the submit.sh script as before to select ''which'' server you want to use as follows:<syntaxhighlight lang="bash">
	#!/bin/sh		#!/bin/sh
	#SBATCH --partition Ghidorahs		#SBATCH --partition Ghidorahs

Jacobg2 at 16:38, 5 December 2025

2025-12-05T16:38:54Z

← Older revision		Revision as of 16:38, 5 December 2025
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	==== Wright GPU Cluster ====		==== Wright GPU Cluster ====
	Open OnDemand is also available for the Wright GPU cluster ~~and~~ can be ~~accessed~~ [[Open OnDemand Wright\|here]].		Open OnDemand is also available for the Wright GPU cluster. Documentation can be found [[Open OnDemand Wright\|here]].

Jacobg2: /* Wright GPU Cluster */

2025-12-05T16:35:35Z

Wright GPU Cluster

← Older revision		Revision as of 16:35, 5 December 2025
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	==== Wright GPU Cluster ====		==== Wright GPU Cluster ====
	Open OnDemand is also available for the Wright GPU cluster and can be accessed here.		Open OnDemand is also available for the Wright GPU cluster and can be accessed [[Open OnDemand Wright\|here]].

Jacobg2 at 16:35, 5 December 2025

2025-12-05T16:35:07Z

← Older revision		Revision as of 16:35, 5 December 2025
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	==== Submitting a Script from a Specified Path ====		==== Submitting a Script from a Specified Path ====
	You can also specify a path to a job you have already created. Click "From Specified Path" and enter the source path, i.e. the path to the directory containing your .sh file. Once you have done that, you can specify the name of the script under Script name, i.e. the name of the .sh file in the directory you've navigated to. You can then click "Run" just as you have with your other jobs.		You can also specify a path to a job you have already created. Click "From Specified Path" and enter the source path, i.e. the path to the directory containing your .sh file. Once you have done that, you can specify the name of the script under Script name, i.e. the name of the .sh file in the directory you've navigated to. You can then click "Run" just as you have with your other jobs.

			==== Wright GPU Cluster ====
			Open OnDemand is also available for the Wright GPU cluster and can be accessed here.