1. Culture
2. 2.Administrations de serveurs
   1. Linux
   2. windows
3. 3.Réseaux
   1. Protocoles
      1. Layer 3 / Network Layer
         1. IP
            1. IPv4
            2. IPV6
         2. ICMP
         3. IPSec
      2. Layer 4 / Transport Layer
         1. TCP
         2. UDP
      3. Layer 7 / Application Layer
         1. HTTP / HTTPS
         2. SSH
         3. TLS/mTLS
         4. DNS
         5. LDAP
         6. SMTP
4. 4.Langages
   1. Programmation
      1. Python
      2. Rust
      3. Go
      4. Ruby
   2. Format
      1. Yaml
      2. Json
      3. XML
   3. API
      1. Rest
5. 5.Build
   1. Gestion de version de code
      1. Git
      2. SVN
      3. CVS
   2. Gestion d'Artefacts
      1. Nexus
      2. Artifactory
      3. Gitlab
      4. Harbor
      5. Pulp
6. 6.Sécurité
7. 7.Documentation
8. 8.Serveurs
   1. Web
      1. Apache
      2. Nginx
      3. Tomcat
   2. Cache
      1. Redis
      2. Memcache
   3. Base De Données
      1. Mysql/MariaDB
      2. PostgreSQL
      3. MongoDB
      4. OracleDB
   4. IDP
      1. FreeIPA
9. 9.Virtualisation
   1. Proxmox
   2. VMware
10. 10.Infra-As-Code
    1. Provisionnement
       1. Terraform
       2. Vagrant
       3. CloudFormation
       4. Pulumi
    2. Gestion de Configuration
       1. Ansible
       2. Puppet
       3. Chef
       4. Salt
11. 11.Pipeline CI/CD
    1. Gitlab CI/CD
    2. Github Actions
    3. Jenkins
12. 12.Cloud
    1. AWS
    2. GCP
    3. Azure
13. 13.Cloud Native
    1. Conteneurs
       1. Docker
       2. Podman
    2. Orchestrateurs
       1. Docker
          1. Docker-Compose
          2. Swarm
       2. Kubernetes
          1. GKE
          2. AKS
          3. EKS
          4. OpenShift
          5. Rancher
          6. Tanzu
       3. Nomad
14. 14.Observabilité
    1. Logging
       1. Loki
       2. Splunk
    2. Monitoring
       1. Zabbix
       2. Centreon
       3. Prometheus
    3. Tracing
       1. MirMir