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Leveling Up My Spring Boot App — Caching, Logging, and Writing Code That Doesn't Embarrass Future Me
48m ago · 11 min read · Last week I wrote about building the Time Capsule app — the what, the how, the things that broke. This week I went back into the same codebase and added two things I'd been putting off: caching and st
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Diagnosing and Resolving an Oracle CDB Server Hung State on Oracle Linux 9
1h ago · 12 min read · When an Oracle database server stops responding, the cause is rarely a single failure. In most cases it is a chain of pressure points — memory over-commitment, undersized redo logs, and poorly tuned k
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How to Use Bash & Python for Real DevOps Automation – Full Handbook with 5 Production Use Cases
1h ago · 56 min read · Automation scripts often validate process completion instead of system health. A Kubernetes pod can be running while the application inside it can't authenticate to the database. A Terraform deploymen
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What Is Sandbox Testing? Types, Benefits, and Best Practices (2026)
4h ago · 20 min read · Sandbox testing catches the failures that staging misses, and production makes expensive. Every team reaches a point where testing against real systems stops being practical. The payment gateway costs
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