Hello, and thanks for the answer. Unfortunately the wiki you linked is not exhaustive: if I connect using ssh but without -Y, I get the Display is not accessible on the server side because Paraview cannot connect to the underlying X Server display.
So, how do I achieve Client/Server connection with native hardware accelerated rendering over an SSH Tunnel? In particular, reading the wiki, I don’t have xdm on Ubuntu. Is it up to date? Do I need xdm on Ubuntu?
Moreover, quoting:
If the clusters are not headless , i.e if the nodes are operating with full-blown desktop environments (e.g if you are running pvserver on one node that has many graphics cards), then you don’t have to make any changes. Just spawn many processes using mpirun; since the desktop manager is already running, the X windows should not have any trouble in getting created. If Paraview shows errors when the client connects to the pvserver(s), then you will have to follow the instructions below and create one another display where all the rendering will be done by the pvservers
Which are the instructions below to create the other display?