DevOps & Cloud

A partial read published as the whole. For an hour the profile said 24 restore scripts across 15 repositories, and the fleet had 73 across 48. Three guards now.

Restore drills that measure RTO on a machine that never ran the stack, 47 templates weekly. Every same-host restore passed. The first clean one answered 500.

Mutation testing for infrastructure code, done by hand across fifteen repositories. 153 planted bugs, and four green tests that could never have failed.

A Docker health check whose pattern matches the shell running it can never go red. How to find the checks in your fleet that never failed, and prove each one.

HashiCorp's Terraform MCP server is GA and IBM Bob can write production IaC. ENABLE_TF_OPERATIONS separates a safe assistant from autonomous apply.

How I hardened a 1M-pull public Docker image from Scout grade D to OpenSSF Scorecard 7.8 — multi-stage build, cosign, SLSA provenance, non-root default.

How removing Google Analytics 4 from an Astro site unlocked Lighthouse 100, why Cloudflare Web Analytics replaced it, and what the tradeoffs actually cost.

A practical guide to Platform Engineering — build internal developer platforms, golden paths, GitOps workflows, and scalable cloud foundations.

Fix AWS issues faster with Amazon Q, the AI assistant built for DevOps. Real-world examples, limitations, and how it compares to ChatGPT.

Ace your Terraform interview with 10 real questions, expert answers, and best practices on state, drift, modules, and security.

Build a production-grade GitOps pipeline on AWS with EKS, Argo CD, Terraform, Vault, and GitHub Actions. Real architecture — systems that scale.

Master container security in 2025 with proven Docker & Kubernetes best practices. Learn how to automate scans using Docker Scout & Snyk with real demos.

Explore the top 10 DevOps tools for 2025 to optimize workflows, enhance security, and streamline CI/CD, GitOps, and Kubernetes.

Tag every resource once with default_tags, combine tags with merge(), ignore tags other tools change, and keep one scheme across teams, with tools that check it.

How Compose Bridge turns compose.yaml into Kubernetes resources, what it generates, how to change the templates, and how to run it as a kubectl plugin.

Compare Docker Swarm vs. Kubernetes for container orchestration. Explore key differences in scalability, security, networking, and DevOps integration.

How DevOps and Platform Engineering reshape software development — key strategies, technological innovations, and the trends shaping the industry.

docker cp syntax in both directions, the use cases you meet, permission and path gotchas with fixes, and when a volume or bind mount is the right answer.

A real .gitlab-ci.yml taken apart: Docker images per job, artifacts and cache, modular include files, secrets out of the repo, rules that skip the needless.

contains() checks list membership, strcontains() checks substrings. Where each fits in validation and conditionals, the type mismatches that bite, and examples.

Master ECMAScript Modules (ESM) and CommonJS (CJS) in NPM packages — key compatibility strategies for effective JavaScript development.

What null_resource is for, how triggers re-run provisioners, where it earns its place, and when terraform_data (Terraform 1.4+) is the cleaner replacement.

What ignore_changes does, when it is right, where it hides real drift, and real examples of attributes you should and should not ignore.

Why Terraform locks state, how to find the lock ID in the error, the force-unlock command, the Azure Blob lease case, and habits that keep you from needing it.

Master Docker with essential commands for listing containers. This guide covers all you need to manage container states efficiently.

Discover how Snyk integrates into DevOps to improve app security—from code to containers. Secure your development workflow with this powerful tool.

Secure your Docker containers with Snyk - deep scans, CI/CD integration, and automated fixes for fast, reliable app delivery.

Install eksctl on macOS in three commands with Homebrew and the aws/tap AWS maintains, then check the version. The old weaveworks tap is gone from the docs.

Install Docker Scout, scan images from the Docker Desktop GUI and the docker scout CLI, read the vulnerability output, and run the CLI from its own container.

Docker Scout simplifies container security, giving a unified view of direct and transitive dependencies across every image layer.

Learn how to use Docker Init to quickly generate Dockerfiles, .dockerignore, and Compose files. Simplify container setup for Go, Node, Python, and more.

What compose watch does, sync versus rebuild, a Node.js hot-reload example you can run, and why it replaces bind mounts for local development.

Fast and practical Git cheat sheet for developers. Learn essential Git commands for setup, commits, branching, merging, and more in one convenient guide.

Learn how to configure AWS CLI with IAM credentials. Step-by-step guide for setting up secure access, managing keys, and running AWS commands via terminal.

Learn how to install Terraform on macOS using Homebrew. Step-by-step guide includes setup, version check, and usage tips for managing infrastructure as code.

Step-by-step guide to install AWS CLI on macOS using the terminal. Learn how to download, install, and verify AWS CLI in minutes for seamless cloud management.

Step-by-step guide to install Kubernetes on Ubuntu Server 22.04 LTS using kubeadm. Learn how to set up master and worker nodes with containerd and Calico.

Learn how to install Docker Engine and Docker Compose on Ubuntu Server. Follow a clear, step-by-step guide to get Docker running quickly and securely.

What is DevOps? Learn how it unites developers and IT with CI/CD, automation, and collaboration to ship software faster and more reliably.

Explore the history of cloud computing and how SaaS, PaaS, and IaaS models from AWS, Azure, and GCP power today's digital infrastructure.

Install Zabbix on Ubuntu Server 22.04 with Apache, MySQL, and SSL. Full step-by-step guide with Certbot, secure configs, and database setup.

Learn how to install and configure PuppetDB on Ubuntu Server with PostgreSQL. Complete setup guide for integrating with Puppet for infrastructure data.

Puppet Server and a Puppet agent on Ubuntu, from hostnames and NTP to certificate signing and a first manifest, with every command in order.

Step-by-step guide to install Jenkins on Ubuntu Server with Apache, SSL via Let's Encrypt, and system hardening. Ideal for secure CI/CD deployment.

Step-by-step guide to install Docker Swarm on Ubuntu Server. Learn how to configure a Swarm cluster, open required ports, and verify setup success.

Step-by-step guide to install Grafana on Ubuntu Server with Apache and Let's Encrypt SSL. Secure and visualize data using this open-source monitoring tool.

Step-by-step guide to integrate Amazon S3 with Rocket.Chat for secure file sharing. Learn bucket setup, IAM policies, and S3 configuration best practices.