Linux for Backend Developers
From process and file model to systemd, networking and troubleshooting — the Linux foundation every backend engineer needs.
DevOps & Deployment
From a bare Linux box to containerized production: tooling every backend engineer must know.
All 4 tutorials
Docker & Containerization
Images, containers, volumes, networks and multi-stage builds — containerize a service the production-grade way.
Kubernetes Crash Course
Pods, Deployments, Services, Ingress and ConfigMaps — the mental model and the daily commands for running stateless services on K8s.
Nginx as a Reverse Proxy & Web Server
Location matching, proxy_pass, HTTPS, gzip, rate limiting and buffering — the Nginx configs behind most production services.