A connection to a compute cluster is established via
Graphics support can be included in the connection via
ssh -CY … or
In my experience, this graphics support is only useful if the connection to the cluster is really fast. In practice it is probably better to get accustomed to not using it. Some things like python plot creation via matplotlib might need to be adjusted to ensure python does not try to use this graphics interface.
Include something like
to be able to log in typing
To reuse an existing connection, add
to the ~/.ssh/Config entry. This avoids that for each new terminal you have to type in your password.