# RenkuLab

**URL:** https://renku.discourse.group/c/renkulab/9.md

[Latest](https://renku.discourse.group/latest.md) · [Categories](https://renku.discourse.group/categories.md)

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## [Renkulab documentation](https://renku.discourse.group/t/renkulab-documentation/33)

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**Author:** [@cramakri](https://renku.discourse.group/u/cramakri)\
**Replies:** 0\
**Last updated:** [13 December 2019 13:37 UTC](https://renku.discourse.group/t/renkulab-documentation/33 "2019-12-13T13:37:23Z")

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https://renku.readthedocs.io/en/latest/

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## [About the RenkuLab category](https://renku.discourse.group/t/about-the-renkulab-category/29)

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**Author:** [@pameladelgado](https://renku.discourse.group/u/pameladelgado)\
**Replies:** 0

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Use this space to post questions or feedback about a renkulab cloud deployment like renkulab.io. This includes web-UI or interactive environments topics. If your question targets the renku command line, please refer to t…

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## [Git LFS autofetch for the integrated GitHub repositories?](https://renku.discourse.group/t/git-lfs-autofetch-for-the-integrated-github-repositories/1231)

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**Author:** [@time-trader](https://renku.discourse.group/u/time-trader)\
**Replies:** 1\
**Last updated:** [22 September 2026 07:17 UTC](https://renku.discourse.group/t/git-lfs-autofetch-for-the-integrated-github-repositories/1231 "2026-09-22T07:17:47Z")

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Hi Renku team! I was wondering if there is a way to set up the project with connected GitHub repo to pull the LFS files upon session launch? Currently I do so from the terminal, after the session starts. But I would lo…

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## [Session repositories not accessible - refresh token expired/invalid](https://renku.discourse.group/t/session-repositories-not-accessible-refresh-token-expired-invalid/1229)

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**Author:** [@pohleric](https://renku.discourse.group/u/pohleric)\
**Replies:** 2\
**Last updated:** [10 September 2026 13:22 UTC](https://renku.discourse.group/t/session-repositories-not-accessible-refresh-token-expired-invalid/1229 "2026-09-10T13:22:09Z")

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I am working with a colleague on a teaching environment from last year ( geoscience-unifr-py · Project in @eric.pohl · Renku ). He is a contributor on the referenced github page. When he tries to start a session on renku…

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## [Folders and files are not mounted from the external docker image](https://renku.discourse.group/t/folders-and-files-are-not-mounted-from-the-external-docker-image/1226)

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**Author:** [@time-trader](https://renku.discourse.group/u/time-trader)\
**Replies:** 2\
**Last updated:** [1 August 2026 08:39 UTC](https://renku.discourse.group/t/folders-and-files-are-not-mounted-from-the-external-docker-image/1226 "2026-08-01T08:39:49Z")

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Recently the external docker image stopped loading. The project in question: WeDoWind Nadara Space - Yaw Misalignment Challenge · Project in @wedowind · Renku This was working well on previous deployments, but now, aft…

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## [Collaborator cannot access session](https://renku.discourse.group/t/collaborator-cannot-access-session/1220)

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**Author:** [@schymans](https://renku.discourse.group/u/schymans)\
**Replies:** 6\
**Last updated:** [1 July 2026 08:23 UTC](https://renku.discourse.group/t/collaborator-cannot-access-session/1220 "2026-07-01T08:23:21Z")

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I shared a private projects with collaborator, hoping that they would be able to use the same session as mine. However, first collaborator that tried experienced warning messages about not being able to access the extern…

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## [Trouble with migrating to renku 2.0 and external gitlab](https://renku.discourse.group/t/trouble-with-migrating-to-renku-2-0-and-external-gitlab/1174)

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**Author:** [@schymans](https://renku.discourse.group/u/schymans)\
**Replies:** 17\
**Last updated:** [29 May 2026 15:36 UTC](https://renku.discourse.group/t/trouble-with-migrating-to-renku-2-0-and-external-gitlab/1174 "2026-05-29T15:36:09Z")

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I am trying to salvage my 100+ existing projects before gitlab.renkulab.io gets shut down. To preserve the gitlab issues, branches, etc., I am using the export function in gitlab and after re-importing a project on a dif…

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## [Guide: Running long ML training jobs without interruptions](https://renku.discourse.group/t/guide-running-long-ml-training-jobs-without-interruptions/1215)

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**Author:** [@elisabetc](https://renku.discourse.group/u/elisabetc)\
**Replies:** 0\
**Last updated:** [23 April 2026 12:24 UTC](https://renku.discourse.group/t/guide-running-long-ml-training-jobs-without-interruptions/1215 "2026-04-23T12:24:09Z")

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If you have ever experienced a long-running training process die because of a Renku timeout, this guide is for you! While Renku sessions stay active during CPU usage, the front-end application (JupyterLab/VSCode) may st…

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## [Calling all R users: we want to hear from you!](https://renku.discourse.group/t/calling-all-r-users-we-want-to-hear-from-you/1207)

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**Author:** [@skayal](https://renku.discourse.group/u/skayal)\
**Replies:** 1\
**Last updated:** [13 March 2026 08:55 UTC](https://renku.discourse.group/t/calling-all-r-users-we-want-to-hear-from-you/1207 "2026-03-13T08:55:55Z")

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We’ve been exploring ways to make R on Renku a much smoother experience, and we’d love to know who in the community this would matter to. The short version: we’re looking into making Renku automatically build custom env…

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## [Recent version of R with RStudio environment](https://renku.discourse.group/t/recent-version-of-r-with-rstudio-environment/1199)

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**Author:** [@lgatto](https://renku.discourse.group/u/lgatto)\
**Replies:** 5\
**Last updated:** [24 February 2026 14:35 UTC](https://renku.discourse.group/t/recent-version-of-r-with-rstudio-environment/1199 "2026-02-24T14:35:45Z")

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Hello, Using the default R environment with RStudio, I get a rather old R version - 4.3.1 (2023-06-16). What’s the easiest way to get an up-to-date R version (i.e. 4.5)? Ideally, I would like to use use the following d…

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## [Gitlab Renkulab shutdown date](https://renku.discourse.group/t/gitlab-renkulab-shutdown-date/1200)

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**Author:** [@elisabetc](https://renku.discourse.group/u/elisabetc)\
**Replies:** 0\
**Last updated:** [23 January 2026 16:23 UTC](https://renku.discourse.group/t/gitlab-renkulab-shutdown-date/1200 "2026-01-23T16:23:32Z")

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As announced, Gitlab in Renkulab will be shut down this beginning of 2026. The date is finally here: February 10th will be its last day. Ensure that you migrate all your code repositories out of Renkulab Gitlab before th…

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## [How to automatically activate conda-based environment?](https://renku.discourse.group/t/how-to-automatically-activate-conda-based-environment/1194)

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**Author:** [@dsavchenko](https://renku.discourse.group/u/dsavchenko)\
**Replies:** 4\
**Last updated:** [18 December 2025 16:17 UTC](https://renku.discourse.group/t/how-to-automatically-activate-conda-based-environment/1194 "2025-12-18T16:17:25Z")

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I’m trying to use environment.yml-based session. Some packages contain binary code that requires sourcing activation script, that are normally sourced upon environment activation. But these scripts are not sourced in th…

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## [Data Connector losing connection](https://renku.discourse.group/t/data-connector-losing-connection/1195)

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**Author:** [@eboesch](https://renku.discourse.group/u/eboesch)\
**Replies:** 1\
**Last updated:** [17 December 2025 12:45 UTC](https://renku.discourse.group/t/data-connector-losing-connection/1195 "2025-12-17T12:45:20Z")

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I keep running into issues with my data connector. It’s connected to a dataset hosted by the ETH Research Collection, and I can access the data successfully after resuming a session. But often after a while of the sessio…

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## [Can not start session](https://renku.discourse.group/t/can-not-start-session/1190)

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**Author:** [@tom-ch1](https://renku.discourse.group/u/tom-ch1)\
**Replies:** 4\
**Last updated:** [27 October 2025 12:41 UTC](https://renku.discourse.group/t/can-not-start-session/1190 "2025-10-27T12:41:39Z")

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I can not start any sessions in any projects. Error 500 {“error”:{“code”:1500,“message”:“An unexpected error occurred”}} Launching session Python Datascience - Jupyter Preparing to start session :white\_check\_mark: Lo…

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## [Immediate repository forwarding](https://renku.discourse.group/t/immediate-repository-forwarding/1184)

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**Author:** [@JamesRunnalls](https://renku.discourse.group/u/JamesRunnalls)\
**Replies:** 4\
**Last updated:** [10 October 2025 12:55 UTC](https://renku.discourse.group/t/immediate-repository-forwarding/1184 "2025-10-10T12:55:11Z")

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Hi, Is it possible to set up immediate repository forwarding? Rather than this only happening once the gitlab instance is shut down? Cheers James

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## [No GPUs available](https://renku.discourse.group/t/no-gpus-available/1180)

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**Author:** [@Patrick539](https://renku.discourse.group/u/Patrick539)\
**Replies:** 2\
**Last updated:** [9 September 2025 13:39 UTC](https://renku.discourse.group/t/no-gpus-available/1180 "2025-09-09T13:39:58Z")

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What can I do when there are no GPUs available even though I have an acitve session with 1 gpu? This is the error I get: RuntimeError: No CUDA GPUs are available

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## [Can I keep a session running to continue training](https://renku.discourse.group/t/can-i-keep-a-session-running-to-continue-training/1163)

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**Author:** [@Patrick539](https://renku.discourse.group/u/Patrick539)\
**Replies:** 3\
**Last updated:** [2 September 2025 07:56 UTC](https://renku.discourse.group/t/can-i-keep-a-session-running-to-continue-training/1163 "2025-09-02T07:56:11Z")

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Hello I am currently in the training phase of my coding project. Can I somehow keep a session active and training while I shut down my computer which normaly pauses the session? Is there like a time limit after it, the …

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## [2 GPUs are not possible anymore](https://renku.discourse.group/t/2-gpus-are-not-possible-anymore/1177)

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**Author:** [@Patrick539](https://renku.discourse.group/u/Patrick539)\
**Replies:** 3\
**Last updated:** [29 August 2025 15:25 UTC](https://renku.discourse.group/t/2-gpus-are-not-possible-anymore/1177 "2025-08-29T15:25:44Z")

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Hello I am currently on the end phase of my Capstone Project from my DAS and I used to use 2 GPUs amd Parallel computing since I ran into a memory error with 1 GPU before. I think there was an update recently and now, a…

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## [Teaching and Announcing a Renku 2.0 Course](https://renku.discourse.group/t/teaching-and-announcing-a-renku-2-0-course/1173)

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**Author:** [@CodingKaiser](https://renku.discourse.group/u/CodingKaiser)\
**Replies:** 1\
**Last updated:** [25 August 2025 09:45 UTC](https://renku.discourse.group/t/teaching-and-announcing-a-renku-2-0-course/1173 "2025-08-25T09:45:05Z")

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Hi there, We are planning on hosting a course in South Korea from the 17th to 19th of September. I went ahead and “announced” the course ahead of time as I did in the past via the webform. However, I noticed that the “T…

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## [Running nbdiff-web via Port Proxying in RenkuLab](https://renku.discourse.group/t/running-nbdiff-web-via-port-proxying-in-renkulab/1171)

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**Author:** [@cimeister](https://renku.discourse.group/u/cimeister)\
**Replies:** 1\
**Last updated:** [19 August 2025 06:36 UTC](https://renku.discourse.group/t/running-nbdiff-web-via-port-proxying-in-renkulab/1171 "2025-08-19T06:36:20Z")

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I’m setting up a course using Renku and would like to enable students to view structured notebook diffs using nbdime and specifically the nbdiff-web interface (using the basic nbdiff command works, outputting a written d…

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## [Logs not available on renkulab.io](https://renku.discourse.group/t/logs-not-available-on-renkulab-io/1167)

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**Author:** [@CodingKaiser](https://renku.discourse.group/u/CodingKaiser)\
**Replies:** 4\
**Last updated:** [6 August 2025 11:46 UTC](https://renku.discourse.group/t/logs-not-available-on-renkulab-io/1167 "2025-08-06T11:46:43Z")

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I’ve been trying to migrate to 2.0 on renkulab but am running into some issues deploying an external environment. Unfortunately it is impossible to diagnose what is actually causing the issue because the logs are not ava…

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## [Cannot start session because Docker image does not exist](https://renku.discourse.group/t/cannot-start-session-because-docker-image-does-not-exist/1155)

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**Author:** [@schymans](https://renku.discourse.group/u/schymans)\
**Replies:** 1\
**Last updated:** [28 May 2025 09:57 UTC](https://renku.discourse.group/t/cannot-start-session-because-docker-image-does-not-exist/1155 "2025-05-28T09:57:27Z")

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I am trying to start a session for a project that I migrated to the newest Renku version 10 months ago, but I get the message that the Docker session does not exist, and in the logs: “Cannot start the session because the…

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## [Newest renku (2.9.4) creates 'very outdated' project?](https://renku.discourse.group/t/newest-renku-2-9-4-creates-very-outdated-project/1146)

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**Author:** [@schymans](https://renku.discourse.group/u/schymans)\
**Replies:** 1\
**Last updated:** [15 April 2025 09:37 UTC](https://renku.discourse.group/t/newest-renku-2-9-4-creates-very-outdated-project/1146 "2025-04-15T09:37:53Z")

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I updated my local renku, then ran renku init in a folder and pushed the folder to gitlab.renkulab.io. After logging into renkulab, I am presented with recently visited projects, but no link to find my other projects. On…

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## [Streamlit workflow in Renku](https://renku.discourse.group/t/streamlit-workflow-in-renku/1141)

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**Author:** [@cimeister](https://renku.discourse.group/u/cimeister)\
**Replies:** 7\
**Last updated:** [31 March 2025 13:31 UTC](https://renku.discourse.group/t/streamlit-workflow-in-renku/1141 "2025-03-31T13:31:24Z")

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We are developing a Streamlit application on RenkuLab and there’s somewhat of a workflow challenge. Presently, updating the Streamlit app requires committing and pushing code changes to a git repository, followed by pull…

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## [Is it possible to add a GPU to a session on renkulab.io?](https://renku.discourse.group/t/is-it-possible-to-add-a-gpu-to-a-session-on-renkulab-io/1142)

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**Author:** [@schymans](https://renku.discourse.group/u/schymans)\
**Replies:** 1\
**Last updated:** [18 March 2025 14:21 UTC](https://renku.discourse.group/t/is-it-possible-to-add-a-gpu-to-a-session-on-renkulab-io/1142 "2025-03-18T14:21:00Z")

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Dear all, I am trying to convince colleagues to use renkulab.io for a project, but they need a GPU. Is there a way to include 1-2 GPUs in a session? At the moment, all options to choose from have 0 GPUs. Thanks for your…

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## [Git author identity unknown \[renku 1.0\]](https://renku.discourse.group/t/git-author-identity-unknown-renku-1-0/1137)

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**Author:** [@pohleric](https://renku.discourse.group/u/pohleric)\
**Replies:** 4\
**Last updated:** [3 February 2025 13:08 UTC](https://renku.discourse.group/t/git-author-identity-unknown-renku-1-0/1137 "2025-02-03T13:08:57Z")

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I was editing requirements and notebooks in the same session and suddenly the project restarted without an error message. I lost my progress and also I cannot commit anymore. Git is there but I get: git commit -m "lesso…

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## [Renku 2.0 - not currently a git repository](https://renku.discourse.group/t/renku-2-0-not-currently-a-git-repository/1136)

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**Author:** [@pohleric](https://renku.discourse.group/u/pohleric)\
**Replies:** 2\
**Last updated:** [31 January 2025 08:14 UTC](https://renku.discourse.group/t/renku-2-0-not-currently-a-git-repository/1136 "2025-01-31T08:14:23Z")

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I am working on a project marked as template under renku 2.0. After not finding a requirements file, I decided to mamba install ... Now I want to save my change using git, but I get the notice: You are not currently in …

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## [Unable to open a Renku session from a specific commit](https://renku.discourse.group/t/unable-to-open-a-renku-session-from-a-specific-commit/1135)

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**Author:** [@colinem](https://renku.discourse.group/u/colinem)\
**Replies:** 3\
**Last updated:** [28 January 2025 09:43 UTC](https://renku.discourse.group/t/unable-to-open-a-renku-session-from-a-specific-commit/1135 "2025-01-28T09:43:41Z")

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Hello, Recently I realised that I do not managed anymore to open a session from a specific (old) commit (to come back from an earlier version of my Renku project). When I check from which version I open the project, I …

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## [Restore Session](https://renku.discourse.group/t/restore-session/1126)

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**Author:** [@arc](https://renku.discourse.group/u/arc)\
**Replies:** 1\
**Last updated:** [6 January 2025 10:08 UTC](https://renku.discourse.group/t/restore-session/1126 "2025-01-06T10:08:21Z")

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Hello everyone Unfortunately, I deleted my session today and saw that the data (jupyter notebooks) that I have created over the last few days has been lost. I need to be able to restore them, otherwise I’ll have to do e…

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## [Session stuck at restarting](https://renku.discourse.group/t/session-stuck-at-restarting/1123)

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**Author:** [@lunactic](https://renku.discourse.group/u/lunactic)\
**Replies:** 1\
**Last updated:** [20 December 2024 09:57 UTC](https://renku.discourse.group/t/session-stuck-at-restarting/1123 "2024-12-20T09:57:14Z")

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Hi all I have a couple of students that have an issue resuming their existing session, and are stuck on an infinite starting loop (see image). The projects are forks of this main repository (hs24)\[Reproducible Data …

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