Courses
Premium, text-based courses for senior engineers who want depth, not fluff.
Kubernetes System Design Interview Prep
Master Kubernetes system design interviews with a structured framework, real-world scenarios, and quantitative reasoning. Covers HA, multi-tenancy, networking, security, and cost — everything asked at senior and staff-level interviews.
Kubernetes Cluster Upgrades with kubeadm
The complete guide to upgrading Kubernetes clusters in production using kubeadm. From planning and validation to control plane upgrades, worker node rollouts, and automation.
Networking Fundamentals for DevOps Engineers
The networking knowledge every DevOps engineer needs — OSI model, DNS, TCP/IP, HTTP, load balancing, and the troubleshooting toolkit that turns 'the app is down' into a root cause in minutes. Completely free.
Production GPU Infrastructure on Kubernetes
The complete guide to running GPU workloads on Kubernetes in production. From NVIDIA drivers to vLLM serving at scale.
SSL/TLS & Certificate Management for Kubernetes Engineers
From encryption fundamentals to production cert management on Kubernetes. Master TLS handshakes, X.509 certificates, cert-manager, mTLS with service mesh, and the 3AM cert expiry runbook.