The diagram above shows the bigdat cluster, with each node's actual name shown.
You can SSH to the head node (bigdat.nmsu.edu) from any NMSU network. Note that you can also use "ssh -X" to support X applications such as visual editors like "gedit". I would not recommend using this for extremely graphical applications, but for code development it should work fine.
The other nodes are not accessible except from the head node.
Bigdat has 10 compute nodes, named "gpu01" through "gpu05" and "fpga01" through "fpga05". Each compute node has two 12-core Intel CPUs, with each core dual hyperthreaded for a total of 48 OS-visible processors per node; each node has 256GB of RAM, and also ~3TB of hard disk local storage and ~512GB solid state local storage.