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Connecting and Authentication

Login and authorization

The cluster is a resource available only on the University of Latvia network. If you want to use it from outside LU premises, you must use the LU VPN.

Connection to the computer cluster is made using a Secure Shell (SSH) connection.

  • You connect to the cluster using an SSH connection to hpc.lu.lv on port 22. This connection will take you to the hpc-login node. 
    ssh <username>@hpc.lu.lv

Gaining access

To gain access to a cluster (username and password), you need to contact its administrators by sending a request to hpc@lu.lv.

Connecting to the cluster using Open OnDemand

In addition to terminal access, the cluster can also be accessed using the Open OnDemand web portal, available at https://ood.hpc.lu.lv/.

Open OnDemand (OOD) is a web platform that allows access to the cluster without a VPN connection.

To connect:

  1. Open https://ood.hpc.lu.lv/ in your web browser
  2. Authenticate using your university credentials and e-signature

Gaining access

To gain access to OpenOnDemand, you need to contact its administrators by sending a request to hpc@lu.lv.

Connecting to the cluster using PuTTY.

On Windows operating systems, you can use the PuTTY program for this purpose. The parameters to enter (connection type, IP address, port) are shown in the image below.

PuTTY konfigurācija

After opening the connection, you will be prompted for a username and password. Once you’ve entered them, you can use the computer with Unix command-line commands. Unix komandrinda