Quick Start Guide
Last Update: Jan 9, 2026.
SSH key generation / How to login to RCCS server
In order to proceed with the following operations, the email address registered at the time of application is required. (Please check this FAQ item.)
Please register you SSH public key according to the information on "How to set your password and put your public key" page. After that, you can connect to login server "ccfep.ims.ac.jp" using your user ID (three-character ID) and registered key. If you don't have SSH key, guides below might be helpful to you.
- PuTTY version (Windows)
- Tera Term version (Windows)
- MobaXterm version (Windows)
- OpenSSH version (Terminal.app (Mac), Linux, Windows PowerShell etc.)
- Ed25519 key generation sample (using ssh-keygen) is available in this page.
File Transfer via SCP/SFTP
Before trying to transfer files, you should finish the SSH key generation and registration described above.
prepared guides, see below. (PDF version of guide is also available; please see the bottom of this page)
If you have trouble with keys, please update your SCP/SFTP software and retry.
- WinSCP version (Windows)
- FileZilla version (Windows, Mac, Linux)
- Cyberduck version (Mac, Windows)
- OpenSSH environment (Terminal.app (Mac), Linux, Windows PowerShell etc.)
- scp/sftp commands are available. Also, sshfs can be used for this purpose.
- VSCode + SSH FS extension
- Public key authentication of SSH FS extension may not work now. Please try Pageant for authentication. (Jul 10, 2025)
- (Remote - SSH extension is not available due to the security limitation. (Jul 10, 2025))
Job Submission Guides
Open OnDemand
You can submit jobs, check job status, and use Jupyter Notebook and VS Code (code-server) from a web browser with Open OnDemand. File transfer is also possible.
- Open OnDemand: Overview
- Open OnDemand: Basic Operations
- Open OnDemand: Interactive Development Environments (Jupyter, VS Code (code-server))
- Open OnDemand: submitting jobs (jsub & gsub)
Tips
- Environment Modules
- Gaussian YouTube Channel
- Official YouTube channel of Gaussian, Inc.