Axon is a Beowulf style cluster where a scheduler, in this case Slurm, is used to submit compute tasks, called jobs, to one or more nodes in the cluster. Jobs are submitted to the cluster via the login node (axon.rc.zi.columbia.edu) as show in the example below.
The login node is only accessible from wired connections inside the Columbia Morningside campus, secure wifi or the CUIT VPN. The login node is for preparation of compute jobs, please don't run any cpu intensive tasks on the login node. If you need to run
SSH from other Columbia hosts
While the login node is not currently accessible from the Internet, it is accessible from most parts of the Columbia so you can ssh from another host which is available on the Internet such as other HPC login nodes or Cunix.
Once connected via ssh to the cluster login node, axon.rc.zi.columbia.edu, compute jobs can be launched using the Slurm job scheduler.
ssh uni123@axon.rc.zi.columbia.edu