Latest Blogs
Tutorials, guides, and insights on DevOps, SRE, and Cloud technologies.
Helm Charts — The Package Manager for Kubernetes
Learn Helm from scratch — charts, releases, repositories, Go templates, and creating your own chart. Covers helm install, upgrade, rollback, dependency management, multi-environment values, and a Helm vs Kustomize comparison.
Systemd Deep Dive — Services, Timers, and Boot Targets
Learn systemd from scratch — create custom services that auto-restart, replace cron with systemd timers, manage boot targets, and troubleshoot with journalctl.
Terraform Workspaces — Manage Dev, Staging, and Production
Learn how Terraform workspaces let you manage multiple environments from a single codebase — when to use them, when to avoid them, and what the alternatives look like.
CloudFormation — Write Infrastructure as YAML, Deploy in Minutes
Master AWS CloudFormation from template anatomy to nested stacks. Learn parameters, intrinsic functions, change sets, drift detection, and how it compares to Terraform.
Azure SQL vs Cosmos DB vs PostgreSQL — Choose the Right Database
Compare Azure SQL Database, Cosmos DB, and Azure Database for PostgreSQL — understand pricing models, consistency levels, scaling patterns, and when to use each with practical CLI examples.
Monitoring 101 — Metrics, Logs, Traces, and the Golden Signals
Learn the three pillars of observability — metrics, logs, and traces — along with Google's Four Golden Signals, RED and USE methods, SLOs/SLIs/SLAs, and how to build monitoring that actually tells you what is broken.
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