Kubernetes for Beginners

The Complete Guide to Kubernetes Deployment Strategies: Rolling, Blue-Green, Canary, and Progressive Delivery

A comprehensive guide to every Kubernetes deployment strategy — rolling updates, blue-green, canary, and progressive delivery with Argo Rollouts and Flagger.

Kubernetes Resource Requests vs Limits: The Guide I Wish I Had Before My First OOM Kill

A deep dive into Kubernetes resource requests, limits, QoS classes, and why getting them wrong leads to OOM kills, throttling, and wasted money.

Kubectl Cheat Sheet: Every Command You Need

The kubectl quick reference — organized by task with copy-paste ready commands for pods, deployments, services, debugging, and more.

Kubernetes

Container Orchestration

Open-source container orchestration platform for automating deployment, scaling, and management of containerized applications. The de facto standard for running production workloads at scale.

Docker

Containers

Platform for building, shipping, and running applications in containers. Docker pioneered the container revolution and remains the most popular container toolchain for development workflows.

Helm

Kubernetes Packaging

The package manager for Kubernetes. Helm charts define, install, and upgrade Kubernetes applications with templated manifests, dependency management, and release tracking.

How fast can you type real DevOps commands? Race against the clock in a terminal-themed typing challenge with kubectl, Docker, Terraform, and more.

Assemble DevOps commands from shuffled fragments. Build kubectl, Docker, Terraform, Helm, and AWS CLI commands by clicking pieces in the right order.

Do you know what CIDR, RBAC, SRE, and MTTR stand for? 50+ acronyms across networking, security, cloud, containers, and more with fun facts.