ISIMA / LIMOS Technical Services✯

Important

This documentation is intended for IT staff, researchers, and students of the ISIMA and LIMOS departments. Access to certain services requires prior authentication via VPN, SSH, or MFA depending on the service.

1. Access to ISIMA/LIMOS Services✯

1.1. Authentication Methods✯

Method	Description	Required for
VPN (OpenVPN)	Secure remote access to the internal network.	Access to internal services (e.g., GitLab, Moodle, Zimbra).
SSH	Secure shell access to servers.	Administration, remote execution of commands.
Kerberos	Authentication protocol for single sign-on (SSO).	Access to HPC resources, INP services.
MFA (Multi-Factor Authentication)	Additional security layer for sensitive services.	GitLab, Moodle, Zimbra.

1.2. Service Access Points✯

HPC Cluster: Accessible via SSH (ssh hpc.isima.fr) or Guacamole (web interface).
GitLab: https://gitlab.isima.fr (MFA required).
Moodle: https://moodle.isima.fr (Kerberos authentication).
Zimbra (Webmail): https://webmail.isima.fr (MFA required).
Open-Xchange: https://ox.isima.fr (Collaboration suite).
Guacamole: https://guacamole.isima.fr (Remote desktop gateway).
X2GO: https://x2go.isima.fr (Remote desktop for Linux).
Teams / Zoom: Videoconferencing tools integrated with UCA accounts.

2. Network Access✯

2.1. Eduroam✯

Eduroam is the UCA wireless network.
Configuration guides:
Linux
Windows
macOS

2.2. VPN (OpenVPN)✯

OpenVPN configuration files are available at:
https://vpn.isima.fr/config
Required for accessing internal services from outside the ISIMA/LIMOS network.

3. HPC (High-Performance Computing)✯

3.1. Accessing the HPC Cluster✯

SSH Access:
```
ssh username@hpc.isima.fr
```
Web Interface (Guacamole):
https://guacamole.isima.fr
Documentation:
HPC User Guide (FR)
HPC User Guide (EN)

3.2. Submitting Jobs✯

Slurm is the workload manager.

Example job submission:

sbatch --job-name=test --nodes=1 --ntasks-per-node=4 my_script.sh

4. Email Services✯

4.1. Zimbra (Webmail)✯

Web Interface: https://webmail.isima.fr
Configuration:
IMAP: imap.isima.fr (Port 993, SSL/TLS)
SMTP: smtp.isima.fr (Port 587, STARTTLS)

4.2. Open-Xchange✯

Collaboration Suite: https://ox.isima.fr
Features: Calendar, contacts, document sharing.

5. Research and Collaboration Tools✯

5.1. HAL (Hyper Articles en Ligne)✯

Repository: https://hal.uca.fr
For publishing research papers.

5.2. Belenios✯

Secure Voting System: https://belenios.isima.fr
Used for elections and surveys.

5.3. Hedgedoc✯

Collaborative Markdown Editor: https://pad.isima.fr
Alternative to Google Docs for technical documentation.

6. Administrative Services✯

6.1. GestSup✯

Student Management System: https://gestsup.isima.fr
Access restricted to administrative staff.

6.2. INP Services✯

INP (Institut National Polytechnique) services are accessible via:
https://intranet.inp-toulouse.fr

7. Support and Troubleshooting✯

7.1. Contacting Support✯

Email: support@isima.fr
IRC: #isima on Libera.Chat
Ticket System: https://support.isima.fr

7.2. Common Issues✯

VPN Connection Problems

Ensure you are using the correct OpenVPN configuration file.
Check your MFA token if required.

HPC Job Failures

Verify your Slurm script syntax.
Check available resources with sinfo.