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Open OnDemand

Open OnDemand is an intuitive, innovative, and interactive interface to remote computing resources. It allows users to access our services from any device and web browser, resulting in faster and more efficient use of supercomputing resources.

For more information, see the Open OnDemand documentation.

Access Open OnDemand

To access the OOD service, you must be connected to IT4I VPN. Then go to https://ood-karolina.it4i.cz/ for Karolina or https://ood-barbora.it4i.cz/ for Barbora and enter your e-INFRA CZ or IT4I credentials.

From the top menu bar, you can manage your files and jobs, access the cluster's shell and launch interactive apps on login nodes.

OOD Apps on IT4I Clusters

Note

Barbora OOD offers Mate and XFCE Desktops on login node only. Other applications listed below are exclusive to Karolina OOD.

  • Desktops
    • Karolina Login Mate
    • Karolina Login XFCE
    • Gnome Desktop
  • GUIs
    • Ansys
    • Blender
    • ParaView
    • TorchStudio
  • Servers
    • Code Server
    • Jupyter (+IJulia)
    • MATLAB
    • TensorBoard
  • Simulation
    • Code Aster

Depending on a selected application, you can set up various properties; e.g. partition, number of nodes, tasks per node reservation, etc.

For qgpu partitions, you can select the number of GPUs.

Ansys app in OOD GUI

Job Composer Tutorial

Under Jobs > Job Composer, you can create jobs from several sources. A simple tutorial will guide you through the process. To restart the tutorial, click Help in the upper right corner.