Ajout page À propos, mise à jour tags et correction navigation
- Ajouter page À propos bilingue (FR/EN) avec structure i18n appropriée - Supprimer fichiers presentation.md obsolètes des docs - Mettre à jour navigation : lien À propos dans navbar et footer - Uniformiser et traduire tags dans tout le contenu : - Traduire tags en français si approprié (automation -> automatisation, storage -> stockage, etc.) - Fusionner tags dupliqués (ha/high-availability -> haute-disponibilite, cluster/clustering -> cluster) - Supprimer tag configuration-management - Mettre à jour wifi/wireless/mesh-networking vers wifi/mesh - Mettre à jour networking/tunneling vers reseau/tunnels - Ajouter tags à tous les projets OpenClassrooms - Corriger bouton Documentation page d'accueil pour pointer vers première page doc
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# About Me
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Systems and network administrator specializing in **cross-platform automation** (Ansible/PowerShell/Bash), **virtualization & containerization** (Proxmox/Docker), and **Active Directory**. RNCP Level 6 certified through OpenClassrooms, with skills acquired through 12 technical projects covering enterprise networking, monitoring, backup/disaster recovery, and offensive security. Running a production homelab for continuous R&D.
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---
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## The Beginning
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It all started as a simple hobby with my first **Minecraft servers** back in 2013: custom game launchers, configuration file management, and my first Bash scripts, followed by Python around 2015.
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In 2017, I built my first homelab with a **Raspberry Pi** that I used for various projects:
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- Bluetooth audio server, AirPlay, UPnP
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- Retro gaming console
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- WOL relay (to wake my PC outside my local network)
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- VPN server
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- DNS server / PiHole
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## Discovering Self-Hosting
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Initially, I was motivated by the desire to test and experiment: seeing if I could access my files or services remotely. Then came the practical aspect and the desire to keep my data on my own machines.
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It was around **2020** that I discovered **Docker**. My first server was very simple: a few `docker run` commands with **Nginx Proxy Manager** and admin access via **WireGuard**.
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Over time, I deepened my knowledge:
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- Transitioning to **Docker Compose** files
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- Networking concepts: subnets, VLANs, ACLs
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- Moving from bare metal to **virtualization**
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This led me to my current architecture: an Ubuntu server deployed under **Proxmox**, automated with **Ansible** and Docker Compose files.
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## Career Change
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Before IT, I pursued a path in **Literature**: a degree from the University of Caen, then working as a contract French teacher in the National Education system for sophomore, STMG junior, and vocational degree classes.
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In parallel, I worked as a civic service coordinator in health prevention at LMDE, and as a BAFA-certified youth worker for several years.
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After a period of travel and seasonal work, I decided to turn what had been a passionate hobby into my profession: making systems and network administration my career. In **November 2024**, I enrolled in the **Systems, Network, and Security Administrator** program at **OpenClassrooms**.
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## The OpenClassrooms Program
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This program, leading to an **RNCP Level 6 certification** (equivalent to a Bachelor's/Master's degree), allowed me to formalize and deepen my skills through **12 technical projects** covering the full SysAdmin/DevOps spectrum:
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- **ITSM Management**: GLPI ticketing, ITIL methodology
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- **Network Architecture**: multi-VLAN LAN design, firewalls, IP addressing plans
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- **Containerization**: deploying n-tier architectures with Docker
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- **Security Hardening**: Apache hardening, Fail2ban, SSL certificates, encrypted FTP
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- **Windows Infrastructure**: site-to-site VPN, Active Directory, RODC, GPO
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- **Cisco Networking**: VLAN, ACL, EtherChannel, NAT/PAT, IPv6
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- **Monitoring**: Nagios, custom probes, syslog centralization
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- **Automation**: cross-platform Ansible, GLPI integration
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- **Backups**: Bash rsync scripts (FULL/INC/DIFF), disaster recovery planning
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- **Compliance**: applying ANSSI guidelines for healthcare IT systems
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- **Offensive Security**: Active Directory auditing, pentesting (nmap, Mimikatz, Kerberoasting)
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- **Cloud**: AWS migration, technical architecture, cost estimation
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I obtained my certification ahead of schedule on **November 6, 2025**, after less than a year of training.
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Details for each project are available in the [OpenClassrooms Projects](/docs/projets-openclassrooms) section.
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## Toward Infrastructure as Code and DevOps
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The **Infrastructure as Code** aspect immediately appealed to me and led me to explore:
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- The **DevOps** philosophy
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- **Terraform** and its open-source counterpart **OpenTofu**
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- **Git** and **CI/CD** pipelines
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- **Kubernetes**
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- Distributed storage and high availability
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My current goal: a **three-node Proxmox cluster** (two production machines and one witness for quorum), after initially considering running all these tools on a single machine for cost reasons.
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This architecture is currently being implemented in my [Homelab repository](https://forgejo.tellserv.fr/Tellsanguis/Homelab). The previous architecture remains deployed in parallel to ensure a smooth migration.
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71
i18n/en/docusaurus-plugin-content-pages/about.md
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71
i18n/en/docusaurus-plugin-content-pages/about.md
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@ -0,0 +1,71 @@
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# About
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Systems and network administrator specialized in **cross-platform automation** (Ansible/PowerShell/Bash), **virtualization & containerization** (Proxmox/Docker), and **Active Directory**. RNCP Level 6 certified by OpenClassrooms, skills acquired through 12 technical projects covering enterprise networks, monitoring, backups/DRP, and offensive security. Production homelab for continuous R&D.
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---
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## The Beginnings
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It all started as a simple hobby with the first **Minecraft servers** in 2013: custom game launcher, configuration file management, first scripts in Bash then Python around 2015.
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In 2017, I created my first homelab with a **Raspberry Pi** that I used for various projects:
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- Bluetooth, AirPlay, UPnP audio server
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- Retro video game console
|
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- WOL relay (to wake up my PC from outside my local network)
|
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- VPN server
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- DNS server / PiHole
|
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## Discovering Self-Hosting
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Initially, I was motivated by the desire to test and experiment: see if I could access my files or services remotely. Then came the practical aspect and the desire to keep my data on my own machines.
|
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It was around **2020** that I discovered **Docker**. My first server was very simple: a few `docker run` commands with **Nginx Proxy Manager** and admin access via **WireGuard**.
|
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Later, I deepened my knowledge:
|
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- Transition to **Docker Compose** files
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- Network concepts: subnets, VLANs, ACLs
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- Transition from bare metal to **virtualization**
|
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This led me to my current architecture: an Ubuntu server deployed on **Proxmox**, automated via **Ansible** and Docker Compose files.
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## Professional Reconversion
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Before IT, I followed a path in **Literature**: bachelor's degree at the University of Caen, then contract French teacher in National Education for sophomore, junior STMG, and BTS classes.
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In parallel, I worked as a civic service coordinator in health prevention at LMDE, and BAFA animator for several years.
|
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After a period of travel and seasonal work, I decided to turn what had been a passionate hobby into my profession: making systems and network administration my career. In **November 2024**, I joined the **Systems, Networks and Security Administrator** training at **OpenClassrooms**.
|
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## OpenClassrooms Training
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This training, sanctioned by an **RNCP Level 6 certification** (equivalent to Bachelor's degree), allowed me to formalize and deepen my skills through **12 technical projects** covering the entire SysAdmin/DevOps spectrum:
|
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|
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- **ITSM Management**: GLPI ticketing, ITIL methodology
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- **Network Architecture**: multi-VLAN LAN design, firewalls, addressing plans
|
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- **Containerization**: deployment of n-tier architectures with Docker
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- **Security**: Apache hardening, Fail2ban, SSL certificates, encrypted FTP
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- **Windows Infrastructure**: site-to-site VPN, Active Directory, RODC, GPO
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- **Cisco Networking**: VLAN, ACL, EtherChannel, NAT/PAT, IPv6
|
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- **Monitoring**: Nagios, custom probes, syslog centralization
|
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- **Automation**: cross-platform Ansible, GLPI integration
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- **Backups**: Bash rsync scripts (FULL/INC/DIFF), DRP
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- **Compliance**: application of ANSSI guidelines for healthcare IS
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- **Offensive Security**: Active Directory audit, pentesting (nmap, Mimikatz, Kerberoasting)
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- **Cloud**: AWS migration, technical architecture, cost estimation
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I obtained my certification ahead of schedule on **November 6, 2025**, after less than a year of training.
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Details of each project are available in the [OpenClassrooms Projects](/docs/projets-openclassrooms) section.
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## Towards Infrastructure as Code and DevOps
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|
||||
The **Infrastructure as Code** aspect immediately appealed to me and led me to explore:
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- The **DevOps** philosophy
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- **Terraform** and its open-source counterpart **OpenTofu**
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- **Git** and **CI/CD** pipelines
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- **Kubernetes**
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- Distributed storage and high availability
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|
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My current goal: a **Proxmox cluster** with three machines (two production machines and a witness for quorum), after considering using all these tools on a single machine for cost reasons.
|
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This architecture is currently being implemented on my [Homelab repository](https://forgejo.tellserv.fr/Tellsanguis/Homelab). The old architecture remains deployed in parallel to ensure a smooth migration.
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