~~NOTOC~~ 


/* **Attention:** The cluster is currently unavailable due to a scheduled mainenance.

**Maintenance window:**  
Tuesday, April 22, 2025, 14:00 until approximately Thursday, April 24, 2025

**Reason:**  
Maintenance work on the datacenter's air conditioning infrastructure.

**Additional cluster updates:**  
  * Migration of key service VMs to **Rocky Linux 9**
  * Update of **SLURM** to include bug fixes and improve overall scheduler stability
  * Update of **Lustre** (BIGWORK & PROJECT filesystems) to support recent **Rocky Linux 9.5** kernels
*/ 

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<fs small>A note for our X2Go users: the issue that made it difficult to enter special characters using AltGr hopefully has been resolved. :-)
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<typo font-size:x-large;font-weight:bold;>LUIS HPC Cluster Documentation</typo>

----

This document is meant to facilitate your work with the cluster system of Leibniz University Hannover. Please take some time to read through this document. **If you think you have absolutely no time, read at least [[guide:about_the_cluster_system|I am a new user - Quick Start]]**. 

Regard this documentation and the [[guide:cluster_faq|FAQ]] as a necessary complement to the cluster itself. If you have questions not answered here, or if something remains unclear, you may always contact the cluster team. See [[:guide:how_to_get_support|how to get support]] on how to create a case that helps us help you without unneccessary delays.
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<WRAP half column round box> <typo font-size:x-large; font-weight:bold; fc:#004f9c>User's guide</typo> 
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  * <typo font-size:large;>[[:guide:about_the_cluster_system|About the LUIS compute systems]]</typo>
  * <typo font-size:large;>[[:guide:connecting_to_cluster|How to connect to the cluster]]</typo>
  * <typo font-size:large;>[[:guide:storage_systems|File systems]]</typo>
      * <typo font-size:large;>[[:guide:handling_large_datasets|Handling large datasets within the cluster]]</typo>
  * <typo font-size:large;>[[:guide:transferring_data|Transferring data to/from the cluster]]</typo>
      * <typo font-size:large;>[[:guide:cloud_storage_rclone|Managing files in cloud storage using Rclone]]</typo>
      * <typo font-size:large;>[[:guide:transferring_files_into_the_archive|Migrating files into the archive]]</typo>
  * <typo font-size:large;>[[:guide:slurm_usage_guide|Submitting SLURM jobs]]</typo>
  * <typo font-size:large;>[[:guide:modules_and_application_software|Modules & Application software]]</typo>
      * <typo font-size:large;>[[:guide:modules_and_application_software#easybuild|Compiling software yourself using EasyBuild]]</typo>
      * <typo font-size:large;>[[:guide:modules_and_application_software#apptainer_containers_replaces_singularity|Apptainer containers]]</typo>
      * <typo font-size:large;>[[:guide:soft:miniforge3|Conda usage]]</typo>
  * <typo font-size:large;>[[:guide:remote_visualization|Remote visualization for interactive 3D work]]</typo>
  * <typo font-size:large;>[[:guide:when_your_work_is_done|When your work is done]]</typo>
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<typo font-size:x-large; font-weight:bold; fc:#004f9c>Cluster resources and services</typo>
  * <typo font-size:large;>[[:resources:computing_hardware|Computing hardware]]</typo>
  * <typo font-size:large;>[[:resources:available_software_table_v2|Available software]]</typo>
  * <typo font-size:large;>[[:guide:connecting_to_cluster#cluster_web_portal|Cluster web portal]]</typo>
    * <typo font-size:large;>[[:guide:remote_visualization|Remote visualization for interactive 3D work]]</typo>
    * <typo font-size:large;>[[:guide:soft:jupyterlab|Jupyter/Lab in the cluster]]</typo>
  * <typo font-size:large;>[[:resources:jhub|JupyterHub for teaching in the cluster]]</typo>
  * <typo font-size:large;>[[:status:system_status|System status]]</typo>
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<typo font-size:x-large; font-weight:bold; fc:#004f9c>Help and Support</typo>
  * <typo font-size:large;>[[:guide:cluster_FAQ|Frequently Asked Questions (FAQ)]]</typo>
  * <typo font-size:large;>[[:guide:how_to_get_support|How to get support]]</typo>
  * <typo font-size:large;>[[:course:cluster_introductory_course_online|Cluster Introductory Course]]</typo>
  * <typo font-size:large;>[[:guide:citation|Citing the compute cluster]]</typo>
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