Connecting to CoSTAR

Your account should have been enabled for cluster login.

Command-Line Access

Prerequisites:

• A terminal application such as xterm, iTerm, …

• GlobalProtect VPN if you are off campus and not using the SSH gateway

When on campus, connected to the VPN, or logged into the SSH gateway connect via:

ssh <your_username>@costar-login01.surrey.ac.uk

Once logged in, try:

echo "Hello, World"
hostname

Browser Access

CoSTAR also provides Open OnDemand for browser-based access to files, shells, Jupyter, and interactive applications:

• CoSTAR Open OnDemand

• Open OnDemand step-by-step guide

Off-Campus Access

• University remote access information

• Research Computing login documentation

File Transfer

Use an SFTP-capable client or command-line tools such as scp, sftp, or rsync depending on the workflow.

Next Steps

1.4 Linux Basics

A cheat sheet of essential terminal commands required for navigating an HPC environment.

Essential Linux Commands

1.5 Self-Check Quiz

Test your understanding of the introductory material before moving to Module 2.

Quiz