Latest Blogs
Tutorials, guides, and insights on DevOps, SRE, and Cloud technologies.
Testing in DevOps — Unit, Integration, E2E, and Shift-Left
Master the testing pyramid for DevOps — from unit tests to E2E, shift-left testing, contract testing, handling flaky tests, testing infrastructure code, and building test stages into your CI/CD pipeline.
Docker Debugging — exec, logs, inspect, and Why Your Container Won't Start
Master Docker debugging with practical techniques — reading logs, exec into containers, inspecting configuration, diagnosing startup failures, and monitoring resource usage.
kubectl Mastery — 40 Commands Every K8s Admin Needs
The ultimate kubectl reference with 40 essential commands organized by category. Covers cluster info, resource management, debugging, output formatting, aliases, plugins, and kubeconfig management.
SSH Mastery — Keys, Tunnels, Config and Security
Master SSH beyond the basics. Learn key-based authentication, ssh config file, port forwarding, jump hosts, scp, rsync, and sshd hardening for production servers.
Terraform Expressions — Conditionals, Loops, and Dynamic Blocks
Master Terraform expressions including conditionals, count, for_each, for expressions, dynamic blocks, splat operators, and practical patterns for real-world infrastructure code.
RDS vs Aurora vs DynamoDB — Which AWS Database Should You Use?
Cut through the noise on AWS databases. Compare RDS, Aurora, and DynamoDB with real cost numbers, performance benchmarks, and a decision tree that actually works.
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