ISIMA/LIMOS Technical Services Documentation✯

Welcome to the ISIMA/LIMOS technical services documentation. This guide provides an overview of the available services, access methods, and usage instructions for students, researchers, and IT staff.

Available Services✯

Authentication Services✯

MFA (Multi-Factor Authentication)
Required for accessing most services.
Supported methods: TOTP (Time-based One-Time Password), SMS, and backup codes.
Kerberos
Used for secure authentication across ISIMA/LIMOS services.
Default realm: ISIMA.LIMOS.UCA.FR.
VPN (Virtual Private Network)
Secure remote access to ISIMA/LIMOS internal network.
Supported protocols: OpenVPN, IPSec.

Remote Access✯

SSH (Secure Shell)
Primary method for command-line remote access.
Example:
```
ssh username@limos.isima.fr -p 22
```
RDP (Remote Desktop Protocol)
Graphical remote access to Windows-based resources.
Connection via rdp.uca.fr.
X2GO
Open-source remote desktop solution for Linux.
Configuration files: ~/.x2goclient/sessions.
Guacamole
Web-based remote desktop gateway.
Access URL: https://guacamole.uca.fr

Collaboration Tools✯

Teams
Microsoft's collaboration platform for chat, video conferencing, and file sharing.
Zoom
Video conferencing tool for meetings and webinars.
Eduroam
Secure, worldwide roaming access service for the international research and education community.

Email and Calendar✯

Zimbra
Webmail client for email and calendar management.
IMAP/SMTP servers: imap.uca.fr, smtp.uca.fr.
Open-Xchange
Groupware solution for email, contacts, and calendars.

Documentation and Learning✯

Moodle
Learning management system for course materials and assignments.
HAL
Open archive for depositing and disseminating scientific publications.
Hedgedoc
Collaborative markdown editor for notes and documentation.

Research and Development✯

GitLab
Web-based Git repository manager for version control and collaboration.
ISIMA/LIMOS group: https://gitlab.uca.fr/limos
HPC (High-Performance Computing)
Cluster computing resources for research workloads.
Access via SSH: hpc.uca.fr.

Administrative Tools✯

GestSup
Student management system for administrative tasks.
Belenios
Secure online voting and survey platform.

Access Methods✯

On-Campus Access✯

Direct access to ISIMA/LIMOS network via Ethernet or Wi-Fi (Eduroam).
No VPN required for on-campus connections.

Off-Campus Access✯

Connect to VPN:
Use OpenVPN or IPSec client to establish a secure connection.
Download configuration files from VPN Portal.
Authenticate:
Use your ISIMA/LIMOS credentials with MFA.
Access Services:
Proceed to the desired service (e.g., SSH, RDP, GitLab).

Troubleshooting✯

Common Issues✯

Authentication Failures

Ensure MFA is properly configured.
Verify Kerberos tickets with kinit username@ISIMA.LIMOS.UCA.FR.

VPN Connection Issues

Check firewall settings to allow UDP ports 1194 (OpenVPN) and 500/4500 (IPSec).
Restart the VPN client and reconnect.

SSH Connection Refused

Verify SSH service is running on the target host.
Check network connectivity and firewall rules.

Contact and Support✯

For further assistance, contact the ISIMA/LIMOS technical team:

Email: support@limos.isima.fr
Helpdesk: https://helpdesk.uca.fr
Office Hours: Monday–Friday, 9:00 AM–5:00 PM (UTC+1)

Appendix✯

Acronyms✯

Acronym	Full Form
ISIMA	Institut Supérieur d’Informatique, Modélisation et Applications
LIMOS	Laboratoire d’Informatique, de Modélisation et d’Optimisation des Systèmes
UCA	Université Clermont Auvergne
CNRS	Centre National de la Recherche Scientifique
HPC	High-Performance Computing
VPN	Virtual Private Network
SSH	Secure Shell
RDP	Remote Desktop Protocol
MFA	Multi-Factor Authentication
OpenVPN	OpenVPN
Kerberos	Kerberos
GitLab	GitLab
Moodle	Moodle
Zimbra	Zimbra
Open-Xchange	Open-Xchange
Guacamole	Guacamole
X2GO	X2GO
Teams	Microsoft Teams
Zoom	Zoom
Eduroam	Eduroam
Hedgedoc	Hedgedoc
Belenios	Belenios
GestSup	GestSup
INP	Institut National Polytechnique
HAL	Hyper Articles en Ligne