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Open OnDemand

Open OnDemand

Open OnDemand (OOD) is a web portal that provides an easy way to access  HPC resources.

Connecting to OOD

LCC

Warning: Do not use the Safari browser for accessing the LCC Open OnDemand.

Ensure you have access to the LCC HPC system before continuing. See Requesting an allocation or an account (UKY users only) or Requesting an allocation or an account (Non-UKY users only) for instructions on how to gain access.

  1. You can access the LCC OOD at the following page: LCC OOD Link.

  2. Authenticate with your UKY Linkblue ID and password.

Screenshot showing a popup box that asks the user to sign in. The popup has a 'Username' and 'Password' input boxes and 'Cancel' and 'Sign In' buttons.

  1. Once you are authenticated, then you will be able to see the front page of the LCC OOD web portal as shown below.

Screenshot showing the front page of the LCC OOD website after login.

MCC

Info: Currently, external (non-UKy) users cannot access the MCC OOD portal

Ensure you have access to the MCC HPC system. See Requesting an allocation or an account (UKY users only) or Requesting an allocation or an account (Non-UKY users only) for instructions on how to gain access.

  1. You can access the MCC OOD at the following page: MCC OOD Link.

  2. For authentication:

    1. Search for and select University of Kentucky in the dropdown box and click Log On

      1. Screenshot of CILogon page with two sections 'Consent to Attribute Release' and 'Select an Identify Provider'. Within the 'Select an Identity Provider' section, the dropdown box with 'University of Kentucky' selected and the 'Log On' button are highlited.

    2. You will be redirected to the UKY sign-in page where you should enter your UKY Linkblue ID and password. (You may also be asked to verify your login using DUO or other 2 Factor Authentication methods)

  3. Once authenticated, you will see the front page of the MCC OOD web portal as shown below

Screenshot showing the front page of the MCC OOD website after login.

File Management 

Info: The Following instructions apply to both LCC and MCC OOD portals

The 'File' menu in the top navigation bar of the OOD web portal allows users to operates basic file managements using web user interface. You can click 'Home Directory' button under 'Files' button as shown below. 

Screenshot of the OOD portal with the 'File' dropdown at the top left of the page selected. Within the dropdown the 'Home Directory' button is highlited.

Once you click the button, It will open up a separate browser tab that shows files on your home directory.

Screenshot of the OOD 'Home Directory' page with various user directories and action buttons show.

As you can see the figure above, users can perform tasks like below in this file explorer:

  • View files

  • Edit files

  • Rename files

  • Download / Upload files

  • Copy / Paste files

  • Delete files

  • Go to different folder

  • Open Terminal

  • Create files

  • Create directories

Shell Access

Info: The Following instructions apply to both LCC and MCC OOD portals

The OOD web portal also provides terminal access through web user interface. Users can access web-based terminal by clicking ‘>_Lipscomb Compute Cluster (LCC) Shell Access' or ‘>_Morgan Compute Cluster (MCC) Shell Access’ button under 'Clusters' menu of main page or clicking '>_Open in Terminal' button in file explorer page.

Screenshot of the LCC OOD homepage with the 'Clusters' dropdown menu on the top bar selected. Within the dropdown, the 'Libscomb compute (LCC) Shell Access' button is highlited
Partial screenshot of the OOD Home Directory page with the 'Open in Terminal' button highlited.

When you click those buttons, it will open a new web browser tab and will start a terminal as shown below. 

Screenshot of a webpage which shows terminal access to the LCC system.

List Active Jobs

Info: The Following instructions apply to both LCC and MCC OOD portals

Users can view all active jobs on the cluster by clicking 'Active Jobs' button under 'Jobs' menu in the main page. 

Screenshot of the OOD homepage with the 'Jobs' dropdown menu on the top bar selected. Within the dropdown, the 'Active Jobs' button is highlited.

It will open up a new web page that shows the list of all active jobs (Running, Queued, Completed) like figure shown below. You can view only your jobs by selecting ‘Your Jobs' button under 'All Jobs' drop down button on the right top corner.  

 

Screenshot of the OOD 'Active Jobs' page with the 'All Jobs' button highlited.

Also, you can view the details of the job by clicking '>' on the left side of each job.

Partial screenshot of the 'Active Jobs' page that shows the Active Jobs table. The first cell of the first table (a button) is highlited.

Job Composer

Info: The Following instructions apply to both LCC and MCC OOD portals

Users can use a job composer that provides a web-based utility for creating and managing batch jobs from templates. Users can click 'Job Composer' button under 'Jobs' menu on the main page. 

Screenshot of the OOD homepage with the 'Jobs' dropdown menu on the top bar selected. Within the dropdown, the 'Job Composer' button is highlited.

Once users click the button, it will open a new web page like figure shown below. 

Screenshot showing the OOD 'Jobs' page

VNC - Interactive App

Info: The Following instructions apply to both LCC and MCC OOD portals

1) Click on Interactive Apps

Screenshot of the OOD homepage with the 'Interactive Apps' dropdown menu on the top bar selected.

2) Click on the Lipscomb Compute Cluster (LCC) from within the drop down desktop option. Fill out the form on the new page values for your

            a) slurm account (your slurm account)

            b) time needed for your VNC desktop session

            c) number of cores needed (make sure you ask for only what you need)

            d) if any GPU's needed ( make sure you pick the GPU queue in next field)

            e) queue name where you want to run the VNC session  

Screenshot showing the form to fillout after selecting the cluster from the 'Interactive Apps' dorpdown.

3) Click on ‘Launch' button

4)Then wait for the scheduler to allocate a node with the specs requested.

Screenshot showing 'My Interactive Sessions' where one session is running and there is a 'Launch Lipscomb Compute Cluster (LCC)' button and a 'Delete' button.

 

5) Click on the ‘Launch Lipscomb Compute Cluster (LCC)’ button

6) That should open a VNC remote desktop session on a compute node.

7) Once you are done with your VNC session  come back to ‘My Interactive Session’ at the top and ‘Delete’ your session.

Screenshot showing 'My Interactive Sessions' where one session is running and there is a 'Launch Lipscomb Compute Cluster (LCC)' button and a 'Delete' button.

Center for Computational Sciences