Free Ansible course: automate 1000 servers without an agent
Free discovery course on Ansible in 7 pedagogical lessons. Understand IT automation, infrastructure as code, the inventory/playbook/module trinity, the agentless and idempotence principles, and real use cases.
Free CI/CD course in English: understanding continuous integration and deployment
Free discovery course on CI/CD in 7 pedagogical lessons. Understand the difference between continuous integration, continuous delivery and continuous deployment, the anatomy of a pipeline, deployment strategies, the GitHub Actions, GitLab CI and Jenkins tools, and the DORA metrics.
Free cloud computing course: AWS, Azure and GCP explained
Free discovery course on cloud computing in 7 pedagogical lessons. Understand IaaS, PaaS and SaaS, regions and availability zones, the shared responsibility model, the AWS vs Azure vs GCP comparison, cost control and multi-cloud.
Free DevOps course for beginners: culture, CALMS, tools and career
Free DevOps discovery course in 7 pedagogical lessons. Understand the wall of confusion between development and operations, the rigorous definition of DevOps, the Three Ways and the CALMS model, the toolchain, team organization models and the complete career path.
Free DevSecOps course: software security, SAST, secrets and supply chain
Free discovery course on DevSecOps in 7 educational lessons. Understand shift left, the OWASP Top 10, software supply chain security, secrets management, SAST and DAST, container and cloud security, with Log4Shell and SolarWinds analyzed.
Free Docker course: understand containers in 40 minutes
Free discovery course on Docker and containers, in 7 pedagogical lessons. Understand what Docker is, the difference between an image and a container, between Docker and a virtual machine, the ecosystem (Docker Hub, Compose, Kubernetes) and real use cases.
Free Git course: understand version control in 30 minutes
Free discovery course on Git and version control in 6 lessons. Understand why 95% of developers use Git, the difference between Git, GitHub and GitLab, and how a repository works. No commands to memorize, no jargon.
Free Kubernetes course: orchestrating thousands of containers
Free discovery course on Kubernetes in 7 pedagogical lessons. Understand container orchestration, the history from Borg at Google, the Pod/Deployment/Service trinity, the cluster architecture, YAML manifests, the CNCF ecosystem and the EKS/GKE/AKS managed offerings.
Free Linux course for beginners: the system running 90% of servers
Free Linux discovery course in 6 pedagogical lessons. Understand why Linux dominates servers, the difference between kernel and distribution, which distribution to choose, the internal architecture without typing a command, and its real use cases in cloud, containers and embedded systems.
Free observability and monitoring course: Prometheus, Grafana and SLOs explained
Free discovery course on monitoring and observability in 7 educational lessons. Understand the difference between monitoring and observability, the three pillars of metrics logs traces, the four golden signals, SLI SLO SLA and the error budget, and the Prometheus Grafana OpenTelemetry ecosystem.
Free Terraform course: Infrastructure as Code, HCL and OpenTofu
Free discovery course on Terraform in 7 pedagogical lessons. Understand Infrastructure as Code, the HCL syntax, the write/plan/apply cycle, providers, the state file, the ecosystem and the OpenTofu alternative that appeared after the 2023 licence change.