Linux
Processes, permissions, services, filesystems, logs, and the command line.
Repair the foundation gap blocking the next artifact.
Start from an observed blocker. Use the smallest credible source that helps you move the project forward.
Shared foundations
Six capabilities every path uses.
Git
Small traceable changes, reviewable history, branches, and recovery.
Networking
DNS, HTTP, ports, routing, certificates, and practical diagnostics.
Automation
Repeatable scripts and configuration that replace undocumented manual steps.
Containers
Images, runtime configuration, isolation, persistence, and debugging.
Delivery
Build, test, release, rollback, and the evidence produced at every gate.
Primary sources