Apolo Scientific Computing Center

Apolo is the scientific computing center of Universidad EAFIT, in Medellín, Colombia. It runs high-performance computing clusters for researchers of EAFIT and of other institutions. This documentation shows you how to get access, run your work and solve common problems.

New to Apolo?

Follow these steps in order. The whole path is described in First steps on Apolo.

1. Request an account

Who can use Apolo, and how to ask for your VPN and cluster accounts.

Request an account
2. Connect to Apolo

Set up the VPN and log in to your cluster with SSH.

Connect to Apolo
3. Run your first job

Write, submit and check a Slurm job, in about 10 minutes.

Run your first Slurm job

I want to…

Use or install software

Find a program, load its module, or ask for a new installation.

Use or install scientific software
Transfer files

Copy data between your computer and the cluster with scp, rsync or an SFTP client.

Transfer files to and from Apolo
Check my resource usage

My jobs in the queue, and what my finished jobs used.

Check your resource usage
Find out why my job failed

Diagnose time limits, memory errors, pending jobs and rejected scripts.

My job failed: what now?
Solve a common problem

An index of frequent problems with access, jobs, software and files.

Frequent problems
Browse the software catalog

Every installed program, with its versions, modules and example jobs.

Software

Quick reference

For experienced users: the essentials in one place.

Cluster

Address

Partitions

Apolo 3

apolo-3.eafit.edu.co

longjobs, bigmem, accel

Apolo II

apolo.eafit.edu.co

longjobs, bigmem, accel, learning

Both clusters are reachable only through the VPN.

Command

What it does

sbatch <script>

Submit a job.

squeue -u $USER

List your pending and running jobs.

scancel <jobid>

Cancel a job.

squeue -u $USER --start

Show when your pending jobs are expected to start.

sinfo -s

Show the partitions, their time limits and free nodes.

module spider <program>

Find a program and how to load it.

module load <program>/<version>

Load a program.

More: SLURM · Lmod · Supercomputers

Help and contact

Universidad EAFIT logo Apolo QR code