============= Prerequisites ============= - First, you need a valid account on PSMN platform (`see our form request `_). .. warning:: **The use of CBPSMN's cloud is reserved exclusively for members of laboratories hosted at ENS de Lyon.** - It is also mandatory to use a SSH key (`see documentation <../connection/ssh_keys_and_agent.html>`_) - You need to ask for an Openstack account with `this form `_