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Jodis Fields / Engineering notes

Less searching.
More building.

Commands, troubleshooting guides and code snippets for the work in front of you. A personal reference for software and infrastructure engineering.

Browse the topics Find a snippet

Looking for a command or error? Use the search in the header. Try git diff, CrashLoopBackOff or SSH keys.

What are you working on?

Debug a workload
Start with pod status, events and logs.

Inspect a container
Check its state, logs and port mappings.

Review a Git change
Compare working, staged and committed files.

Trace a network problem
Check the interface, address and route.

Browse by topic

Infrastructure & cloud

Run workloads and manage the systems beneath them.

Networking & security

Trace traffic, manage access and inspect certificates.

Languages

Look up syntax, standard libraries and common patterns.

Web development

Build interfaces, services and HTTP APIs.

Data & storage

Query data, tune storage and work with caches.

Engineering practice

Review changes, test behaviour and make design decisions.

Code snippets

Browse small functions by name and tag. Check each snippet's assumptions and edge cases before using it in your project.

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Using these notes

Start with a task above, browse a topic or search for an exact command. On long pages, use the table of contents to jump to a section; the link beside each heading lets you bookmark it.

Examples span different environments and software versions. Replace example names and paths, confirm your target environment and read the surrounding explanation before running a command. These notes are a reference, not a claim that every example is ready for production.