Overview and Getting Started

Table of Contents

Overview and Services of OpenOnDemand

OpenOnDemand is a platform that provides easy access to supercomputers through a web browser.
No special software installation is required, and it can be accessed via web browser within Japan.

Prerequisites:
  - A smartphone or tablet is required (for two-factor authentication)
  - Access is only available from within Japan

Available Services

The following services are available through your browser:

  • Home directory file management
  • Shell access to ccfep
  • Remote desktop access to ccfep
  • Jupyter Notebook
  • Visual Studio Code

Recommended Browsers

  • Google Chrome (latest version - most stable)
  • Mozilla Firefox (latest version)
  • Microsoft Edge (latest version)
    Note: Safari may experience issues.

How to Access

Access URL

https://ccood.ims.ac.jp

Note: Access from overseas is not available

Login Screen

When you access OpenOnDemand, you will see the following login screen.
ログイン画面

Login Information

  • Username: Enter your supercomputer account name (3 characters)
  • Password: Same as your ccportal password

Important:  You must change your password by checking the [Synchronize password with OpenOnDemand] on the account edit page. You cannot log in without changing it.

Two-Factor Authentication Setup for First-Time Login

  1. Prepare Authentication App
    Install one of the following authentication apps on your smartphone:
    - Google Authenticator 
    - FreeOTP
    - Microsoft Authenticator
    - FortiToken Mobile
  2. Register QR Code
    - Launch the authentication app
    - Scan the QR code on the OpenOnDemand screen
  3. Complete Setup
    - Enter device name (e.g., my_iPhone)
    - Enter the one-time code displayed in the authentication app
    - Click "Submit" to complete setup

Troubleshooting

Login Issues

  1. Verify username and password
  2. Confirm if password has been changed

Authentication App Issues

Contact rccs-admin@ims.ac.jp if:

  • Smartphone is lost or damaged
  • Data transfer failed during device change
  • Data loss due to app deletion or reset

Support

If problems persist, please contact rccs-admin@ims.ac.jp with the following information:

  • Username
  • Specific description of the issue
  • Error message (if any)
  • Browser type and version
View PDF