Connecting to HPC-UGent

In order to connect to HPC-UGent infrastructure, you need to set up a VSC-id and a public/private ssh keypair.

How do I request a VSC-id?

  1. Navigate to
  2. Accept the certificate

  3. Choose 'UGent' as Home Institution

  4. Login, either using

  5. Upload your public ssh key by selecting the key file via the Browse button and click Submit

  6. Once the key is uploaded, you will receive an e-mail

  7. Click on the link in the e-mail to confirm your VSC-id request

  8. You will receive another e-mail once your request is processed and your VSC-id is created


These steps are also described in Chapter 2 of the HPC-UGent tutorial.

How to create a public/private ssh keypair?


  1. Download the complete PuTTY package (free of charge) and install the package
  2. Start the PuTTYgen Key Generator
  3. Choose 'RSA' in the Parameters section at the bottom and keep the number to 4096
  4. Click 'Generate' and move the mouse cursor over the PuTTYgen window to generate random data
  5. Once the keypair is generated, set properties:
    • Key comment - Fill in this field to make your keypair easier to identify later on. Choose for instance 'your_name@computername'.
    • Key passphrase - Choose a passphrase to protect your private key against unauthorized use.
  6. Save both public and private ssh keys on your personal computer. We recommend using the names
    • '' for the public key
    • 'id_rsa.ppk' for the private key


Linux / MAC OS X

    1. Open a Terminal
    2. Enter the command ssh-keygen -t rsa -b 4096

user@host:~> ssh-keygen -t rsa -b 4096

Generating public/private rsa key pair.

Enter file in which to save the key ({HOMEDIR}/.ssh/id_rsa):

Enter passphrase (empty for no passphrase): ********

Enter same passphrase again: ********

Two files are generate in the .ssh dir:

      • private key: id_rsa
      • public key:


These steps are also described in Chapter 2 of the HPC-UGent tutorial.

How to connect to the HPC infrastructure?

The way in which to connect with the HPC-UGent infrastructure depends on your OS.

Consult Chapter 3 of the HPC-UGent tutorial for a full description.