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Bash Scripting Fundamentals for Sysadmins
The essential Bash scripting patterns for sysadmins: strict mode, arrays and loops, functions with local variables, and structured logging.
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Troubleshooting Windows Networking with ipconfig, ping, and tracert
Diagnosing Windows network problems with ipconfig, ping, tracert, and Test-NetConnection — and the IP-vs-hostname trick that isolates DNS issues.
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Structured Logging Best Practices
Structured logging best practices: why JSON-formatted logs beat plain text for querying at scale, and the consistency discipline it requires.
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Observability for LLM Applications: What to Monitor
Observability for LLM applications: why traditional latency and error-rate monitoring misses the AI-specific failure modes that actually matter.
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Debugging Like a Pro: Techniques Beyond print()
Moving beyond print statements: using pdb, conditional breakpoints, reading stack traces bottom-up, and why rubber duck debugging genuinely works.
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Observability 101: Logs, Metrics, and Traces Explained
Observability’s three pillars — logs, metrics, and traces — explained by what each one is actually good for, and why you need all three.