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This wiki is the main documentation source for information about the Academic Leiden Interdisciplinary Cluster Environment (ALICE) cluster. ALICE is the research computing facility of the partnership Leiden University and Leiden University Medical Center. It is available to any researcher from both partners. In this wiki, we will introduce the ALICE cluster in detail.

Below you find a collapsible tree structure of our documentation set which gives you a quick overview of the full navigation tree. The root tree items are also directory accessible from the top navigation bar.

Full Navigation Tree

News

News

Latest News

  • 2 Jun. 2021 - Rclone available on ALICE: Rclone is available on ALICE and there are instructions on how to set it up to transfer files to and from SurfDrive and ResearchDrive: Data transfer to and from ALICE. This is a new feature and feedback on your experience is very welcome.
  • 29 Apr. 2021 - ALICE User Survey 2021 closed: The ALICE User Survey 2021 is closed. We have received responses from 76 users. We are thrilled to have this many contributions. Thank you very much for participating in the survey. We will go through all the answers now and share results from the survey here on the wiki with you.
  • 12 Feb. 2021 (Update 22 Feb. 2021) - SSH Connection Stability: If you recently started experiencing that your ssh connection is breaking up after a few minutes of being idle, please check the settings below for you ssh configuration for ALICE. If this does not solve the issue, please contact the ALICE Helpdesk.
    • for Linux, MacOS, Windows using OpenSSH command line connection: Make sure you use "ServerAliveInterval 60" and "ServerAliveCountMax 3" to your ssh config settings.
    • MobaXterm: Go to Settings -> SSH -> SSH settings and enable "SSH keepalive"
    • PuTTY: Go to Settings -> Connection -> Set a non-0 value in "Settings between keepalives" (e.g., 60)

Older News

For older news, please have a look at the news archive: News Archive

Maintenance

This section is used to announce upcoming maintenance and provide information before, during and after it. For general information about our maintenance policy, please have a look here: To maintenance policy

Next Maintenance

System maintenance on Monday, 28 June 2021

We have to perform updates on the ALICE network as part of the integration of the new storage system. We will use this opportunity to also perform other maintenance on the system.

The planned work requires that we take ALICE offline for the duration of the maintenance. You will not be able to connect to ALICE, run jobs or access any data on ALICE.

The maintenance will take place on Monday, 28 June 2021 and we will start to shutdown ALICE on Sunday evening (27 June).

Further details will follow soon. If you have any question, please contact the ALICE Helpdesk.

Previous Maintenance days

Publications

Articles with acknowledgements to the use of ALICE

Astronomy

Computer Sciences

  • Better Distractions: Transformer-based Distractor Generationand Multiple Choice Question Filtering, Offerijns, J., Verberne, V., Verhoe, T., eprint arXiv:2010.09598, (October 2020), https://arxiv.org/abs/2010.09598

Leiden researchers and their use of HPC

News articles featuring ALICE

  • Hazardous Object Identifier: Supercomputer Helps to Identify Dangerous Asteroids, Oliver Peckman, HPC Wire, 04 March 2020, link
  • Elf reuzestenen op ramkoers met de aarde?, Annelies Bes, 13 February 2020, Kijk Magazine, link
  • Leidse sterrenkundigen ontdekken aardscheerders-in-spé, NOVA, 12 February 2020, link