You can use the AIBEX documentation, which is hosted on the DIUF GitLab and is therefore accessible only within the UniFR intranet.

In that documentation, choosing a GPU is always referred to as using the identifier of the GPU, such as gpu:l40s_48gb, but this is currently not the case and all GPUs are just called gpu, which you need to select by specifying the node, e.g. --nodelist=diufrd203.
Similarly, the shared directory for the HuggingFace is not yet available.

Here is the outline: