Intro to Accessing the Cluster

Introduction: This workshop will introduce users on how to remotely access the clusters and how to set up and personalize their environment for their computational needs. After the workshop, participants will understand:

• How to (remotely) access the cluster.

Participants will require an intro level of experience of using Linux, as well as the ability to use a text editor from the command line.

Course Goals:

• Introduce a number of ways to access an ARCC HPC Cluster.

Sections

1. HPC Cluster Access Options

2. Try it: Log into OnDemand

3. SSH

4. SSH-Keys for HPC Login

5. Revoking and/or Replacing SSH Keys

6. Introduction to an ARCC HPC

7. Running a script

Methods for HPC Cluster Access

There are a number of different ways to access the cluster, but all consist of 2 main methods for access:

OnDemand (web based):

• MedicineBow

• Beartooth

• WildIris

SSH (secure shell CLI):

• MedicineBow (Requires setup with ssh-key and certificate)

• Beartooth

• WildIris