Real Systems.Real Constraints.Real Engineering.
DevOps Chronicles documents production infrastructure — Linux systems administration, cloud architecture, automation, and CI/CD pipelines built from operating real systems under real pressure.
Learn from the ground up
DevOps Lab Engineering
Build a production-style home lab from scratch. Virtualisation, network segmentation, system hardening, storage engineering, and observability.
Cloud Infrastructure Engineering
Design and operate production AWS infrastructure. VPC design, IAM strategy, load balancing, Terraform, and failure simulation.
Decision frameworks
Architectural reasoning that certification prep skips. When to use what — and why.
EC2 vs Lambda vs ECS
Choosing compute based on runtime, state, and operational burden — not feature lists.
Read →StorageS3 vs EBS vs EFS
Three storage services that solve completely different problems at different layers.
Read →DatabaseRDS vs Aurora vs DynamoDB
The most consequential database choice you will make — and how to get it right.
Read →Incident patterns
Real failure modes — what they look like, why they happen, how to recover.
Disk Full
What it looks like, the deleted-file trap most engineers miss, and how to recover cleanly.
Read →MemoryOOM Killer
Your process vanishes with no error. How to find the kill, understand the score, and prevent it.
Read →AWS IAMIAM Permission Errors
Access Denied can mean five different things. A systematic approach to finding the real cause.
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