# Latest

**URL:** https://discourse.openondemand.org/latest.md

[Latest](https://discourse.openondemand.org/latest.md) · [Categories](https://discourse.openondemand.org/categories.md) · [Tags](https://discourse.openondemand.org/tags.md)

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## [General WSGI/ASGI interactive app](https://discourse.openondemand.org/t/general-wsgi-asgi-interactive-app/4983)

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**Author:** [@multimeric](https://discourse.openondemand.org/u/multimeric)\
**Replies:** 1\
**Last updated:** [September 23, 2026, 6:30pm UTC](https://discourse.openondemand.org/t/general-wsgi-asgi-interactive-app/4983 "2026-09-23T18:30:32Z")

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I wonder if there is an existing OnDemand interactive app that could be used to launch Python web apps by running say an ASGI server. If not, I might be able to find time to write one. I want an app that isn’t tied to a …

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## [Interactive sessions can't connect after idle](https://discourse.openondemand.org/t/interactive-sessions-cant-connect-after-idle/4939)

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**Author:** [@dsajdak](https://discourse.openondemand.org/u/dsajdak)\
**Replies:** 18\
**Last updated:** [September 21, 2026, 8:06pm UTC](https://discourse.openondemand.org/t/interactive-sessions-cant-connect-after-idle/4939 "2026-09-21T20:06:22Z")

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We’re running version 3.1.16 and having a similar problem to this older topic. Our users launch an interactive session, step away, and then when they try to reconnect they see a VNC error rejecting the authentication: …

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## [OOD\_DOWNLOAD\_FILE\_MAX does not work in Open OnDemand 4.2.4](https://discourse.openondemand.org/t/ood-download-file-max-does-not-work-in-open-ondemand-4-2-4/4980)

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**Author:** [@PhoenixEmik](https://discourse.openondemand.org/u/PhoenixEmik)\
**Replies:** 1\
**Last updated:** [September 18, 2026, 2:04pm UTC](https://discourse.openondemand.org/t/ood-download-file-max-does-not-work-in-open-ondemand-4-2-4/4980 "2026-09-18T14:04:56Z")

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Hi, I am running Open OnDemand 4.2.4 and was trying to increase the maximum file download size in the Files app. According to the documentation, I configured: # /etc/ood/config/apps/dashboard/env OOD\_DOWNLOAD\_FILE\_MAX…

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## [Sharing: HiGlass OOD Application](https://discourse.openondemand.org/t/sharing-higlass-ood-application/4964)

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**Author:** [@PhoenixEmik](https://discourse.openondemand.org/u/PhoenixEmik)\
**Replies:** 6\
**Last updated:** [September 18, 2026, 4:33am UTC](https://discourse.openondemand.org/t/sharing-higlass-ood-application/4964 "2026-09-18T04:33:57Z")

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Hi everyone, I’d like to share an Open OnDemand Batch Connect application we’ve been working on for running HiGlass interactively on an HPC cluster: GitHub: GitHub - CPOS-HPC/ood\_bc\_higlass · GitHub HiGlass is a power…

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## [Vertically matching dashboard widget heights within a row, with Bootstrap?](https://discourse.openondemand.org/t/vertically-matching-dashboard-widget-heights-within-a-row-with-bootstrap/4981)

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**Author:** [@jasonbuechler](https://discourse.openondemand.org/u/jasonbuechler)\
**Replies:** 0\
**Last updated:** [September 17, 2026, 7:48pm UTC](https://discourse.openondemand.org/t/vertically-matching-dashboard-widget-heights-within-a-row-with-bootstrap/4981 "2026-09-17T19:48:39Z")

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I come to you today with an age-old web-design puzzle – I want to make 2 widget divs (div.card) have matching heights for purely aesthetic reasons. …The classic this doesn’t seem like it should be so hard puzzle. Making…

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## [Choice of Authentication](https://discourse.openondemand.org/t/choice-of-authentication/4971)

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**Author:** [@James-Allsopp](https://discourse.openondemand.org/u/James-Allsopp)\
**Replies:** 4\
**Last updated:** [September 17, 2026, 7:21am UTC](https://discourse.openondemand.org/t/choice-of-authentication/4971 "2026-09-17T07:21:28Z")

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Hi, We’re installing OpenOnDemand on a Alma9 system with Apache 2.4. The our university can authenticate with either CAS. Shibboleth, or ADFS (mod\_auth\_mellon). Shibboleth seems quite out of date and doesn’t seem to be …

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## [User Cannot Log In: Phusion Passenger Error](https://discourse.openondemand.org/t/user-cannot-log-in-phusion-passenger-error/4979)

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**Author:** [@brad.traver](https://discourse.openondemand.org/u/brad.traver)\
**Replies:** 2\
**Last updated:** [September 16, 2026, 10:22pm UTC](https://discourse.openondemand.org/t/user-cannot-log-in-phusion-passenger-error/4979 "2026-09-16T22:22:53Z")

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We have a single user that, out of the blue, cannot log in to OnDemand. When they punch in their username and password, they get the below error message. When I check the logs for that user, I see the following: \[ E…

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## [Passwordless Cluster Shell Access with OIDC/Okta Authentication](https://discourse.openondemand.org/t/passwordless-cluster-shell-access-with-oidc-okta-authentication/4978)

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**Author:** [@rishabhs002](https://discourse.openondemand.org/u/rishabhs002)\
**Replies:** 1\
**Last updated:** [September 15, 2026, 4:22pm UTC](https://discourse.openondemand.org/t/passwordless-cluster-shell-access-with-oidc-okta-authentication/4978 "2026-09-15T16:22:41Z")

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Environment We are using Open OnDemand (OOD) as our web portal and are currently authenticating users through Okta using OIDC.The OOD portal authentication is working correctly. Users log in to the OOD portal through Ok…

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## [Logging for failed job submissions](https://discourse.openondemand.org/t/logging-for-failed-job-submissions/4976)

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**Author:** [@jcreech](https://discourse.openondemand.org/u/jcreech)\
**Replies:** 3\
**Last updated:** [September 14, 2026, 7:59pm UTC](https://discourse.openondemand.org/t/logging-for-failed-job-submissions/4976 "2026-09-14T19:59:20Z")

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We have had a few instances where our slurm job submissions fail before submitting. A very simple example would be a typo in an app’s yaml code. Typically we find those things in a sandbox environment, but there have bee…

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## [Allowlists for form erb and Shared Apps](https://discourse.openondemand.org/t/allowlists-for-form-erb-and-shared-apps/4975)

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**Author:** [@hansen-m](https://discourse.openondemand.org/u/hansen-m)\
**Replies:** 1\
**Last updated:** [September 14, 2026, 4:29pm UTC](https://discourse.openondemand.org/t/allowlists-for-form-erb-and-shared-apps/4975 "2026-09-14T16:29:16Z")

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Are there any options for limiting form erb by app path or type? Use-case I’m thinking of is with Shared Apps, where currently the maintainers need to have a relatively high level of trust on the system because any form …

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## [Mapping users with a differing sAMAccountName and UPN in Active Directory](https://discourse.openondemand.org/t/mapping-users-with-a-differing-samaccountname-and-upn-in-active-directory/4965)

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**Author:** [@devsda1](https://discourse.openondemand.org/u/devsda1)\
**Replies:** 5\
**Last updated:** [September 11, 2026, 10:40am UTC](https://discourse.openondemand.org/t/mapping-users-with-a-differing-samaccountname-and-upn-in-active-directory/4965 "2026-09-11T10:40:54Z")

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We have a few student researchers who have been at our institution for long enough that a change many years ago which standardised usernames is causing weird issues in our Open OnDemand environment. The OOD VM is joined…

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## [Opportunity at Tufts University - HPC Engineer - Privacy Research Program](https://discourse.openondemand.org/t/opportunity-at-tufts-university-hpc-engineer-privacy-research-program/4974)

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**Author:** [@DelilahYM](https://discourse.openondemand.org/u/DelilahYM)\
**Replies:** 0\
**Last updated:** [September 10, 2026, 7:51pm UTC](https://discourse.openondemand.org/t/opportunity-at-tufts-university-hpc-engineer-privacy-research-program/4974 "2026-09-10T19:51:40Z")

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We are seeking a remote High Performance Computing (HPC) Engineer to join our team and help build the next generation of Secure Research Computing infrastructure at Tufts. This role will be a key contributor to our Priva…

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## [Active jobs empty, no evidence of squeue being called](https://discourse.openondemand.org/t/active-jobs-empty-no-evidence-of-squeue-being-called/4973)

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**Author:** [@ric](https://discourse.openondemand.org/u/ric)\
**Replies:** 2\
**Last updated:** [September 10, 2026, 5:32pm UTC](https://discourse.openondemand.org/t/active-jobs-empty-no-evidence-of-squeue-being-called/4973 "2026-09-10T17:32:49Z")

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My prod ood instance seems to have lost its mind; anything thoughts that would help with debugging would be appreciated. When (after restarting my pun instance) I click on Jobs-\>Active Jobs I get a blank page. My dev i…

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## [Definition Custom Javascript and CSS Files](https://discourse.openondemand.org/t/definition-custom-javascript-and-css-files/4972)

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**Author:** [@coengineer](https://discourse.openondemand.org/u/coengineer)\
**Replies:** 3\
**Last updated:** [September 10, 2026, 1:08pm UTC](https://discourse.openondemand.org/t/definition-custom-javascript-and-css-files/4972 "2026-09-10T13:08:37Z")

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Hello everyone, I have defined in module-browser section, two custom files which are included module.js and module.scss to overload default module-browser page, it was working last week now it does not work, so may be …

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## [Open OnDemand 4.2 Release](https://discourse.openondemand.org/t/open-ondemand-4-2-release/4885)

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**Author:** [@moffatsadeghi](https://discourse.openondemand.org/u/moffatsadeghi)\
**Replies:** 2\
**Last updated:** [September 3, 2026, 3:34pm UTC](https://discourse.openondemand.org/t/open-ondemand-4-2-release/4885 "2026-09-03T15:34:39Z")

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Open OnDemand version 4.2 is now available as 4.2.2. Thank you to all of the community members who contributed code, suggestions, bug reports, documentation, and other assistance across the project, including the 9 first…

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## [Setting up OpenId Connect with DEX using ood-ansible](https://discourse.openondemand.org/t/setting-up-openid-connect-with-dex-using-ood-ansible/4969)

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**Author:** [@jeremyfix](https://discourse.openondemand.org/u/jeremyfix)\
**Replies:** 2\
**Last updated:** [September 4, 2026, 12:17pm UTC](https://discourse.openondemand.org/t/setting-up-openid-connect-with-dex-using-ood-ansible/4969 "2026-09-04T12:17:04Z")

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Hello, We have difficulties setting up OpenID + DEX + LDAP. We deploy OpenOnDemand using ood-ansible in v4.2.1 on a Ubuntu 24.04. Can anyone confirm we have correctly understood the configuration ? It is unclear to use…

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## [Open OnDemand 4.1 Release](https://discourse.openondemand.org/t/open-ondemand-4-1-release/4750)

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**Author:** [@moffatsadeghi](https://discourse.openondemand.org/u/moffatsadeghi)\
**Replies:** 5\
**Last updated:** [September 3, 2026, 3:34pm UTC](https://discourse.openondemand.org/t/open-ondemand-4-1-release/4750 "2026-09-03T15:34:10Z")

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Open OnDemand version 4.1 is now available as version 4.1.1. Thank you to all of the community members who contributed code, suggestions, bug reports, documentation, and other assistance across the project, including the…

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## [Open XDMoD integration working in Firefox but not Chrome/Edge](https://discourse.openondemand.org/t/open-xdmod-integration-working-in-firefox-but-not-chrome-edge/4968)

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**Author:** [@mewho720](https://discourse.openondemand.org/u/mewho720)\
**Replies:** 5\
**Last updated:** [September 3, 2026, 3:11pm UTC](https://discourse.openondemand.org/t/open-xdmod-integration-working-in-firefox-but-not-chrome-edge/4968 "2026-09-03T15:11:41Z")

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Hi, I’ve been running Open OnDemand with the Open XDMoD integration. It works fine in Firefox, but has issues in Chrome/Edge. It worked up until recently, I get the same timeout messages shown in Did anyone have a succe…

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## [Quick suggestion on batch connect apps using xfce for thunar.desktop](https://discourse.openondemand.org/t/quick-suggestion-on-batch-connect-apps-using-xfce-for-thunar-desktop/4970)

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**Author:** [@ashy-jpg](https://discourse.openondemand.org/u/ashy-jpg)\
**Replies:** 0\
**Last updated:** [September 2, 2026, 7:33pm UTC](https://discourse.openondemand.org/t/quick-suggestion-on-batch-connect-apps-using-xfce-for-thunar-desktop/4970 "2026-09-02T19:33:12Z")

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Hello , Quick suggestion on batch connect apps using xfce , found a bug in bc\_d4c/template/config/menus . The xfce-applications.menu has Thunar.desktop instead of thunar.desktop . Please check if this needs modification…

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## [Federation support for slurm](https://discourse.openondemand.org/t/federation-support-for-slurm/4966)

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**Author:** [@jcreech](https://discourse.openondemand.org/u/jcreech)\
**Replies:** 8\
**Last updated:** [September 2, 2026, 3:21pm UTC](https://discourse.openondemand.org/t/federation-support-for-slurm/4966 "2026-09-02T15:21:13Z")

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We have slurm federation enabled on our production cluster, with three separate slurm clusters. The idea behind federation is that users can either submit without specifying cluster, in which case each of the clusters is…

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## [VNC tmp files left behind when using LinuxHost adapter](https://discourse.openondemand.org/t/vnc-tmp-files-left-behind-when-using-linuxhost-adapter/4960)

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**Author:** [@mrobbert](https://discourse.openondemand.org/u/mrobbert)\
**Replies:** 3\
**Last updated:** [August 31, 2026, 5:12pm UTC](https://discourse.openondemand.org/t/vnc-tmp-files-left-behind-when-using-linuxhost-adapter/4960 "2026-08-31T17:12:16Z")

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We recently ran into an issue with VNC Desktop sessions on our dedicated “VNC Login” host. We are using the LinuxHost adapter here and found that the /tmp/.X##-lock files were not getting cleaned up in all cases and we f…

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## [Module Browser listing module extensions](https://discourse.openondemand.org/t/module-browser-listing-module-extensions/4963)

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**Author:** [@moravveji](https://discourse.openondemand.org/u/moravveji)\
**Replies:** 0\
**Last updated:** [August 27, 2026, 9:38am UTC](https://discourse.openondemand.org/t/module-browser-listing-module-extensions/4963 "2026-08-27T09:38:09Z")

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Dear all I would like to ask whether it is possible to let the ‘Module Browser’ show the module extensions in addition to the modules, as well? To elaborate further, I’d say that we use Lmod, and we install our softwar…

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## [Problem Changing Job Script in Job Composer -\> Job Options](https://discourse.openondemand.org/t/problem-changing-job-script-in-job-composer-job-options/4958)

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**Author:** [@eeidson](https://discourse.openondemand.org/u/eeidson)\
**Replies:** 2\
**Last updated:** [August 21, 2026, 9:17pm UTC](https://discourse.openondemand.org/t/problem-changing-job-script-in-job-composer-job-options/4958 "2026-08-21T21:17:40Z")

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I’m having trouble changing the job script in Job Composer. I select the job I want to modify, go to Job Options, make changes in the pop-up, and press Save, and any changes I make work EXCEPT for changing the Job Scrip…

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## [Shell won't launch: minimatch.js TypeError('invalid pattern')](https://discourse.openondemand.org/t/shell-wont-launch-minimatch-js-typeerror-invalid-pattern/4959)

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**Author:** [@bgill](https://discourse.openondemand.org/u/bgill)\
**Replies:** 1\
**Last updated:** [August 21, 2026, 9:15pm UTC](https://discourse.openondemand.org/t/shell-wont-launch-minimatch-js-typeerror-invalid-pattern/4959 "2026-08-21T21:15:08Z")

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I’m trying to get the shell application to work and I’m not sure how to fix what I’m seeing in the logs. The app appears to launch and I get a webpage that even has the theme configuration and hostname across the top, bu…

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## [Navbar: controlling the "Interactive Apps" and (pinned-) "Apps" menus?](https://discourse.openondemand.org/t/navbar-controlling-the-interactive-apps-and-pinned-apps-menus/4957)

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**Author:** [@jasonbuechler](https://discourse.openondemand.org/u/jasonbuechler)\
**Replies:** 2\
**Last updated:** [August 21, 2026, 9:13pm UTC](https://discourse.openondemand.org/t/navbar-controlling-the-interactive-apps-and-pinned-apps-menus/4957 "2026-08-21T21:13:19Z")

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I think I have answered myself below (for the most part) but figured I would ask in case I’m missing anything. There are pieces of this information throughout the Customization and ondemand.d-yamls docs but a lot of ski…

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## [System status app -- run as user](https://discourse.openondemand.org/t/system-status-app-run-as-user/4956)

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**Author:** [@jennyfothergill](https://discourse.openondemand.org/u/jennyfothergill)\
**Replies:** 1\
**Last updated:** [August 21, 2026, 3:41pm UTC](https://discourse.openondemand.org/t/system-status-app-run-as-user/4956 "2026-08-21T15:41:08Z")

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Hi All, Our cluster is split between two groups, so not every user has access to all the nodes. It looks like the sinfo commands used to populate the system status widget might be run as the root user because it seems t…

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## [Launching both a GUI and a WebUI app via same OOD interactive app](https://discourse.openondemand.org/t/launching-both-a-gui-and-a-webui-app-via-same-ood-interactive-app/4955)

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**Author:** [@ssivy](https://discourse.openondemand.org/u/ssivy)\
**Replies:** 1\
**Last updated:** [August 20, 2026, 5:52pm UTC](https://discourse.openondemand.org/t/launching-both-a-gui-and-a-webui-app-via-same-ood-interactive-app/4955 "2026-08-20T17:52:38Z")

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I’m looking to create an OOD interactive app that combines using both an GUI (X app via VNC) and a webUI app (e.g. Jupyter notebook) at the same time. I know I can just run Firefox in the GUI and have it there, but my us…

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## [Open OnDemand tips and tricks calls](https://discourse.openondemand.org/t/open-ondemand-tips-and-tricks-calls/1684)

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**Author:** [@mcuma](https://discourse.openondemand.org/u/mcuma)\
**Replies:** 197\
**Last updated:** [August 20, 2026, 5:13am UTC](https://discourse.openondemand.org/t/open-ondemand-tips-and-tricks-calls/1684 "2026-08-20T05:13:22Z")

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Edit from Alan: Here is the current zoom link: Meeting Registration - Zoom With agreement from the OOD steering committee, I would like to start organizing monthly calls about tips and tricks of OOD’s setup and usage. …

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## [Xfce issues on Rocky Linux 9](https://discourse.openondemand.org/t/xfce-issues-on-rocky-linux-9/4953)

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**Author:** [@jcreech](https://discourse.openondemand.org/u/jcreech)\
**Replies:** 6\
**Last updated:** [August 19, 2026, 7:20pm UTC](https://discourse.openondemand.org/t/xfce-issues-on-rocky-linux-9/4953 "2026-08-19T19:20:08Z")

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We have discovered some issues with Xfce desktop on Rocky Linux 9 nodes. It seems to be pretty consistent on the nodes that run RL9, whereas our Rocky Linux 8 nodes work fine. Other apps, such as Jupyter, work fine on th…

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## [Need Help Configuring Logout](https://discourse.openondemand.org/t/need-help-configuring-logout/4943)

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**Author:** [@rishabhs002](https://discourse.openondemand.org/u/rishabhs002)\
**Replies:** 18\
**Last updated:** [August 19, 2026, 7:10am UTC](https://discourse.openondemand.org/t/need-help-configuring-logout/4943 "2026-08-19T07:10:38Z")

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https://domain.com/pun/sys/dashboard/logout I am getting this message when clicking on logout button. Need help configuring logout functionality. I am using OKTA based login. This message appears on the OOD dashboard. …

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