Security Update – Access to Yggdrasil

Dear users,

Following a recent security incident affecting servers in the Astronomy Department, access to the Yggdrasil cluster has been restricted.

Access changes

  • login1.yggdrasil is now accessible only from the UNIGE network or via the UNIGE VPN.
  • External connections without VPN are no longer allowed.

External users

Users who cannot use the VPN may access Yggdrasil through the web portal:
:backhand_index_pointing_right: https://openondemand.yggdrasil.hpc.unige.ch

Recommended actions (effective immediately)

To prepare for upcoming security measures, users are encouraged to:

If you have any questions or encounter issues, please contact the HPC team.

Kind regards,
HPC Team
University of Geneva