Knowledge/Domain
The machine underneath.
21 notes, plus everything one link away
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The property that identical inputs produce identical outputs, and the foundation of caching and verification.
Systems & Tooling·27 connections
Storing, distributing, and rotating credentials without embedding them in code or history.
Systems & Tooling·15 connections
The interactive command interpreter, and a programming language with unusually sharp edges.
A named value in a process's environment, inherited by its children — the standard configuration channel.
Systems & Tooling·14 connections
The property that performing an operation twice has the same effect as performing it once.
Systems & Tooling·12 connections
Time-based scheduling of recurring jobs, and the reasons scheduled jobs quietly stop working.
Systems & Tooling·11 connections
The mapping between characters and bytes, and the source of a specific family of invisible bugs.
Systems & Tooling·10 connections
Packaging an application with its dependencies into an isolated, reproducible runtime unit.
A long-running background process managed by the operating system's service supervisor.
Wildcard pattern matching over filenames, similar enough to regular expressions to mislead.
The tool that resolves, fetches, and installs dependencies, and pins them for reproducibility.
A running program with its own memory, environment, and identity.
Cryptographically attesting who produced a binary, and the operating-system checks built on it.
Systems & Tooling·9 connections
Granting only the permissions actually required, so a compromise has a small ceiling.
Several packages developed in one repository with shared tooling and atomic cross-package changes.
Systems & Tooling·8 connections
The numeric endpoint a network service listens on, and a scarce shared resource on a developer machine.
A function mapping arbitrary input to a fixed-size digest, used for identity, integrity, and addressing.
Systems & Tooling·7 connections
A tracked repository of personal configuration, making a machine setup reproducible.
Systems & Tooling·6 connections
A file that points at another path, resolved transparently by most operations.
Systems & Tooling·5 connections
A convention placing configuration, data, cache, and state in defined directories rather than the home directory.
The distributed directory translating names to addresses, and the layer where propagation delays live.
Systems & Tooling·4 connections