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ISIMA / LIMOS Technical Services✯

Welcome to the ISIMA / LIMOS technical services documentation. This guide provides an overview of the available services, access methods, and usage procedures for ISIMA (Institut Supérieur d'Informatique, de Modélisation et de leurs Applications) and LIMOS (Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes) users.

Important Notice

Some services require MFA (Multi-Factor Authentication) or VPN (Virtual Private Network) access. Ensure you have the necessary credentials and follow the connection procedures before proceeding.

Available Services✯

Below is a list of the main services offered to ISIMA / LIMOS users:

Service Name Description Access Method
Mail (Zimbra) Email and calendar service Webmail, IMAP, SMTP
Collaborative Tools (Open-Xchange) Shared calendars, contacts, and tasks Web interface
File Storage (Nextcloud) Personal and shared file storage Web, WebDAV, sync clients
GitLab Version control and project management Web, SSH, HTTPS
Moodle Learning management system Web interface
HPC Cluster High-performance computing resources SSH, RDP, JupyterHub
VPN Secure remote access to the internal network OpenVPN, Kerberos
Eduroam Secure Wi-Fi access on campus Wi-Fi configuration
Guacamole Remote desktop gateway Web interface
X2GO Remote desktop access for Linux X2GO client
Teams / Zoom Videoconferencing tools Web, desktop, mobile apps
Hedgedoc Collaborative markdown notes Web interface
Belenios Secure electronic voting system Web interface
GestSup Support ticket management system Web interface

Access Methods✯

VPN✯

To access internal services remotely, you must first connect to the VPN.

Prerequisites✯

  • Valid INP (Institut National Polytechnique) or UCA (Université Clermont Auvergne) account
  • MFA (Multi-Factor Authentication) configured
  • OpenVPN client installed

Connection Procedure✯

  1. Download the OpenVPN configuration file from /services/vpn/config.
  2. Import the configuration into your OpenVPN client.
  3. Authenticate using your Kerberos credentials and MFA.

Note

VPN access is mandatory for services like GitLab, HPC Cluster, and Nextcloud when off-campus.

SSH Access✯

Most Linux-based services (e.g., HPC Cluster, GitLab) require SSH access.

Prerequisites✯

  • SSH client installed (e.g., OpenSSH, PuTTY)
  • Valid Kerberos credentials

Connection Procedure✯

ssh username@limos.isima.fr
Replace username with your ISIMA / LIMOS username.

Tip

Use ssh -K to automatically renew your Kerberos ticket.

Remote Desktop (RDP)✯

For Windows-based services, RDP (Remote Desktop Protocol) is available.

Prerequisites✯

  • RDP client installed (e.g., Microsoft Remote Desktop, Remmina)
  • VPN connection (if off-campus)

Connection Procedure✯

  1. Connect to the VPN (if off-campus).
  2. Use your RDP client to connect to: 
    rdp.limos.isima.fr
  3. Authenticate with your Kerberos credentials.

Service-Specific Documentation✯

Mail (Zimbra)✯

Zimbra is the email and calendar service for ISIMA / LIMOS.

Access✯

Configuration✯

  • Incoming Server: mail.isima.fr (IMAP port 993, SSL/TLS)
  • Outgoing Server: mail.isima.fr (SMTP port 587, STARTTLS)

Warning

Ensure your MFA is enabled for email access.

Collaborative Tools (Open-Xchange)✯

Open-Xchange provides shared calendars, contacts, and tasks.

Access✯

Features✯

  • Shared calendars
  • Contact management
  • Task lists

File Storage (Nextcloud)✯

Nextcloud offers personal and shared file storage.

Access✯

Features✯

  • File sharing
  • Versioning
  • Collaborative editing

GitLab✯

GitLab is the version control and project management platform.

Access✯

Authentication✯

  • Kerberos or SSH keys

Note

All projects are private by default. Contact the ISIMA / LIMOS IT team for repository creation.

Moodle✯

Moodle is the learning management system for ISIMA / LIMOS.

Access✯

Features✯

  • Course materials
  • Assignments
  • Quizzes

HPC Cluster✯

The HPC Cluster provides high-performance computing resources.

Access✯

Authentication✯

  • Kerberos or SSH keys

Usage✯

  • Submit jobs using Slurm
  • Access software modules via module avail

Warning

All compute nodes require VPN access when off-campus.

Eduroam✯

Eduroam provides secure Wi-Fi access on campus.

Configuration✯

  • SSID: eduroam
  • Security: WPA2-Enterprise
  • Authentication: Kerberos (username@isima.fr)

Troubleshooting✯

  • Ensure your device supports 802.1X
  • Verify your Kerberos credentials

Guacamole✯

Guacamole is a remote desktop gateway.

Access✯

Supported Protocols✯

  • RDP
  • VNC
  • SSH

X2GO✯

X2GO provides remote desktop access for Linux.

Access✯

  • X2GO Client: Connect to x2go.limos.isima.fr

Features✯

  • Low-latency remote desktop
  • Session persistence

Teams / Zoom✯

Teams and Zoom are available for videoconferencing.

Access✯

ISIMA / LIMOS Accounts✯

  • Sign in with your UCA or INP credentials.

Hedgedoc✯

Hedgedoc is a collaborative markdown notes platform.

Access✯

Features✯

  • Real-time collaboration
  • Markdown support
  • Version history

Belenios✯

Belenios is a secure electronic voting system.

Access✯

Features✯

  • End-to-end encryption
  • Anonymous voting
  • Audit trail

GestSup✯

GestSup is the support ticket management system.

Access✯

Features✯

  • Ticket submission
  • Progress tracking
  • Knowledge base

Support✯

For assistance, contact the ISIMA / LIMOS IT team:

Tip

Include your Kerberos username and a detailed description of the issue when submitting a ticket.

Additional Resources✯